Merge branch 'develop' of Seil0/ProjectLaogai into master

* updated material-dialogs 2.6.0 -> 2.8.1

README.md

@@ -1,12 +1,21 @@
-# ProjectLaogai "hso App"
-Some info about the app ...
+![fdroid version](https://img.shields.io/f-droid/v/org.mosad.seil0.projectlaogai.svg?style=flat-square)
+[![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg?style=flat-square)](https://www.gnu.org/licenses/gpl-3.0)
 
+# ProjectLaogai "hso App"
+ProjectLaogai is a app to access the timetable and the mensa menu of Hochschule Offenburg.
+
+[<img src="https://f-droid.org/badge/get-it-on.png" height="75">](https://f-droid.org/packages/org.mosad.seil0.projectlaogai/)
 ## Features
-* look up what you can eat in the mensa
-* check your timetable
-* probably many many bugs
+* check out the mensa menu of this and next week
+* access your timetable
+* open moodle
+* probably some funny bugs
 
 ## Screenshots
+[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_HomeScreen.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_HomeScreen.png)
+[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_Mensa.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_Mensa.png)
+[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_Timetable.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_Timetable.png)
+[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_Settings.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_Settings.png)
+[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_NavDrawer.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_NavDrawer.png)
 
-
-ProjectLaogai © 2018 mosad www.mosad.xyz, Project by [@Seil0](https://git.mosad.xyz/Seil0)
+ProjectLaogai © 2019 mosad [www.mosad.xyz](http://www.mosad.xyz), Project by [@Seil0](https://git.mosad.xyz/Seil0)

app/build.gradle

@@ -5,20 +5,27 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
+    signingConfigs {
+    }
     compileSdkVersion 28
     defaultConfig {
         applicationId "org.mosad.seil0.projectlaogai"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 6
-        versionName "0.2.1"
+        versionCode 13
+        versionName "0.4.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        resValue "string", "build_time", buildTime()
+        setProperty("archivesBaseName", "projectlaogai-$versionName")
     }
+
     buildTypes {
         release {
             minifyEnabled false
+            shrinkResources false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
+
     }
     compileOptions {
     }
@@ -27,16 +34,23 @@ android {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.0.1'
+    implementation 'org.jetbrains.anko:anko-commons:0.10.8'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha5'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.0.0'
     implementation 'com.google.android.material:material:1.0.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha2'
-    implementation 'org.jsoup:jsoup:1.11.3'
-    implementation 'org.jetbrains.anko:anko-commons:0.10.7'
-    implementation 'com.afollestad.material-dialogs:core:2.0.0-beta4'
-    implementation 'com.afollestad.material-dialogs:color:2.0.0-beta4'
+    implementation 'com.google.code.gson:gson:2.8.5'
+    implementation 'com.afollestad:aesthetic:1.0.0-beta05'
+    implementation 'com.afollestad.material-dialogs:core:2.8.1'
+    implementation 'com.afollestad.material-dialogs:color:2.8.1'
+
 
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.1.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 }
+
+static def buildTime() {
+    return new Date().format("yyyy-MM-dd", TimeZone.getTimeZone("UTC"))
+}

app/src/main/AndroidManifest.xml

@@ -5,20 +5,21 @@
 
     <application
             android:allowBackup="true"
-            android:icon="@mipmap/ic_launcher"
+            android:fullBackupContent="@xml/backup_descriptor"
+            android:icon="@mipmap/ic_laogai_icon"
             android:label="@string/app_name"
-            android:roundIcon="@mipmap/ic_launcher_round"
+            android:roundIcon="@mipmap/ic_laogai_icon"
             android:supportsRtl="true"
             android:theme="@style/AppTheme">
 
         <activity
                 android:name=".SplashActivity"
+                android:label="@string/app_name"
                 android:theme="@style/SplashTheme"
                 android:screenOrientation="portrait">
             <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
 

app/src/main/java/org/mosad/seil0/projectlaogai/MainActivity.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,51 +22,69 @@
 
 package org.mosad.seil0.projectlaogai
 
+import android.graphics.Color
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import androidx.appcompat.app.ActionBarDrawerToggle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.GravityCompat
+import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentTransaction
-import com.afollestad.materialdialogs.MaterialDialog
+import com.afollestad.aesthetic.Aesthetic
 import com.google.android.material.navigation.NavigationView
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.app_bar_main.*
-import org.jetbrains.anko.doAsync
-import org.jetbrains.anko.uiThread
-import org.mosad.seil0.projectlaogai.fragments.HomeFragment
-import org.mosad.seil0.projectlaogai.fragments.MensaFragment
-import org.mosad.seil0.projectlaogai.fragments.SettingsFragment
-import org.mosad.seil0.projectlaogai.fragments.TimeTableFragment
-import org.mosad.seil0.projectlaogai.hsoparser.*
+import org.mosad.seil0.projectlaogai.controller.CacheController
+import org.mosad.seil0.projectlaogai.controller.PreferencesController
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cColorAccent
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cColorPrimary
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cCourse
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.coursesCacheTime
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.mensaCacheTime
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.timetableCacheTime
+import org.mosad.seil0.projectlaogai.controller.TCoRAPIController
+import org.mosad.seil0.projectlaogai.fragments.*
+import java.sql.Date
+import java.util.*
 import kotlin.system.measureTimeMillis
 
 class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener {
 
-    //TODO make toolbar and navbar global
-    private val mensaParser = MensaParser()
-    private val timeTableParser = TimeTableParser()
-
-    private var weekMenus = ArrayList<Meal>()
-    private var courseTTLinkList = ArrayList<CourseTTLink>()
-    private var timeTableWeek = arrayOf<Array<Lesson>>()
-
-    private lateinit var course: CourseTTLink
+    private var activeFragment: Fragment = HomeFragment() // the currently active fragment, home at the start
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        Aesthetic.attach(this)
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         setSupportActionBar(toolbar)
 
-        // load mensa and timetable
+        // load mensa, timetable and color
         load()
 
-        //init home fragment TODO make a abstract fragment class
-        val homeFragment = HomeFragment()
-        homeFragment.setMainActivity(this)
+        // If we haven't set any defaults, do that now
+        if (Aesthetic.isFirstTime) {
+            // this is executed on the first app start, use this to show tutorial etc.
+            Aesthetic.config {
+                colorPrimary(Color.BLACK)
+                colorPrimaryDark(Color.BLACK)
+                colorAccent(Color.parseColor("#3F51B5"))
+                apply()
+            }
+
+            SettingsFragment().selectCourse(this)
+        } else {
+            Aesthetic.config {
+                colorPrimary(cColorPrimary)
+                colorPrimaryDark(cColorPrimary)
+                colorAccent(cColorAccent)
+                apply()
+            }
+        }
+
+        //init home fragment
         val fragmentTransaction: FragmentTransaction = supportFragmentManager.beginTransaction()
-        fragmentTransaction.replace(R.id.fragment_container, homeFragment)
+        fragmentTransaction.replace(R.id.fragment_container, activeFragment)
         fragmentTransaction.commit()
 
         val toggle = ActionBarDrawerToggle(
@@ -78,6 +96,16 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         nav_view.setNavigationItemSelectedListener(this)
     }
 
+    override fun onResume() {
+        super.onResume()
+        Aesthetic.resume(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        Aesthetic.pause(this)
+    }
+
     override fun onBackPressed() {
         if (drawer_layout.isDrawerOpen(GravityCompat.START)) {
             drawer_layout.closeDrawer(GravityCompat.START)
@@ -106,133 +134,85 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         // Handle navigation view item clicks here.
         when (item.itemId) {
             R.id.nav_home -> {
-                val homeFragment = HomeFragment()
-                homeFragment.setMainActivity(this)
-                val fragmentTransaction: FragmentTransaction = supportFragmentManager.beginTransaction()
-                fragmentTransaction.replace(R.id.fragment_container, homeFragment)
-                fragmentTransaction.commit()
+                activeFragment = HomeFragment()
             }
             R.id.nav_mensa -> {
-                val mensaFragment = MensaFragment()
-                mensaFragment.setMainActivity(this)
-                val fragmentTransaction: FragmentTransaction = supportFragmentManager.beginTransaction()
-                fragmentTransaction.replace(R.id.fragment_container, mensaFragment)
-                fragmentTransaction.commit()
+                activeFragment = MensaFragment()
             }
             R.id.nav_timetable -> {
-                val timeTableFragment = TimeTableFragment()
-                timeTableFragment.setMainActivity(this)
-                val fragmentTransaction: FragmentTransaction = supportFragmentManager.beginTransaction()
-                fragmentTransaction.replace(R.id.fragment_container, timeTableFragment)
-                fragmentTransaction.commit()
-
+                activeFragment = TimeTableFragment()
             }
             R.id.nav_moodle -> {
-
-            }
-            R.id.nav_email -> {
-
+                activeFragment = MoodleFragment()
             }
             R.id.nav_settings -> {
-                val settingsFragment = SettingsFragment()
-                settingsFragment.setMainActivity(this)
-                val fragmentTransaction: FragmentTransaction = supportFragmentManager.beginTransaction()
-                fragmentTransaction.replace(R.id.fragment_container, settingsFragment)
-                fragmentTransaction.commit()
+                activeFragment = SettingsFragment()
             }
         }
 
+        val fragmentTransaction: FragmentTransaction = supportFragmentManager.beginTransaction()
+        fragmentTransaction.replace(R.id.fragment_container, activeFragment)
+        fragmentTransaction.commit()
+
         drawer_layout.closeDrawer(GravityCompat.START)
         return true
     }
 
-    /**
-     * update the gui with the data of the new selected course
-     * save selected course and courseTTLink
-     */
-    fun updateCourse(course: CourseTTLink) {
-        println(course.course)
-        println(course.courseTTLink)
-
-        this.course = course
-        // save new selected course
-        val sharedPref = getPreferences(MODE_PRIVATE) ?: return
-        with (sharedPref.edit()) {
-            putString(getString(R.string.save_key_course), course.course)
-            putString(getString(R.string.save_key_courseTTLink), course.courseTTLink.replace("http", "https"))
-            apply()
-        }
-
-        timeTableWeek = timeTableParser.getTimeTable(course.courseTTLink.replace("http", "https"))
-    }
-
     /**
      * load the mensa menus of the current week
-     * TODO evaluate if we should use a timeout here
      */
     private fun load() {
+        val startupTime = measureTimeMillis {
+            // load the settings
+            PreferencesController.load(this) // this must be finished before doing anything else
 
-        // load saved course
-        val sharedPref = getPreferences(MODE_PRIVATE) ?: return
-        course = CourseTTLink(
-            sharedPref.getString(getString(R.string.save_key_courseTTLink),
-                "https://www.hs-offenburg.de/index.php?id=6627&class=class&iddV=DA64F6FE-9DDB-429E-A677-05D0D40CB636&week=0")!!,
-            sharedPref.getString(getString(R.string.save_key_course), "AI3")!!
-        )
+            val tcor = TCoRAPIController(this)
+            val currentTime = System.currentTimeMillis() / 1000
+            val currentDay = Calendar.getInstance().get(Calendar.DAY_OF_WEEK)
+            val cal = Calendar.getInstance()
 
-        /**
-         * load mensa, course timetable and courselist from the swfr/hso website
-         * TODO make an API see https://git.mosad.xyz/Seil0/TheCitadelofRicks
-         */
-        val time = measureTimeMillis {
-            /* getting the course list should be faster than the timetable,
-             * we need have time until the user opens the dialog
-             */
-            doAsync {
-                courseTTLinkList = timeTableParser.getCourseTTLinks()
+            // timetable sunday workaround
+            cal.time = Date(timetableCacheTime * 1000)
+            val timetableCacheDay = cal.get(Calendar.DAY_OF_WEEK)
+
+            // TODO this sill backfire if someone has to update before the server finished updating the timetable at 0001/0101
+            // update blocking if a) it`s monday and the last cache was not on a monday or b) the cache is older than 6 days
+            if((currentDay == Calendar.MONDAY && timetableCacheDay != Calendar.MONDAY) || (System.currentTimeMillis() / 1000) - timetableCacheTime > 518400) {
+                println("updating timetable after sunday!")
+                val jobA = TCoRAPIController.getTimetable(cCourse.courseName, 0, this)
+                val jobB = TCoRAPIController.getTimetable(cCourse.courseName, 1, this)
+
+                jobA.get()
+                jobB.get()
             }
 
-            val t1 = doAsync {
-                weekMenus = mensaParser.getMensaMenu()
+            // mensa sunday workaround
+            cal.time = Date(System.currentTimeMillis()) // reset to current time
+
+            // update blocking if it's sunday after 1500
+            // TODO and the last update was before 1500
+            if(currentDay == Calendar.SUNDAY && cal.get(Calendar.HOUR_OF_DAY) >= 15) {
+                val jobA = TCoRAPIController.getMensa(this)
+                jobA.get()
             }
 
-            val t2 = doAsync {
-                try {
-                    timeTableWeek = timeTableParser.getTimeTable(course.courseTTLink)
-                } catch (e: Exception) {
+            // get the cached files
+            val cache = CacheController(this)
+            cache.readStartCache(cCourse.courseName)
 
-                    uiThread {
-                        MaterialDialog(this@MainActivity)
-                            .title(R.string.error)
-                            .message(R.string.no_tt_error)
-                            .show()
-                    }
+            // check if an update is necessary
+            if(currentTime - coursesCacheTime > 86400)
+                tcor.getCoursesList()
 
-                    e.stackTrace
-                }
+            if(currentTime - mensaCacheTime > 10800)
+                TCoRAPIController.getMensa(this)
+
+            if(currentTime - timetableCacheTime > 10800) {
+                TCoRAPIController.getTimetable(cCourse.courseName, 0, this)
+                TCoRAPIController.getTimetable(cCourse.courseName, 1, this)
             }
-
-            t1.get()
-            t2.get()
         }
-        println("Completed in $time ms")
-
-    }
-
-    fun getCourseTTLinkList(): ArrayList<CourseTTLink>{
-        return  courseTTLinkList
-    }
-
-    fun getCurrentTimeTableWeek(): Array<Array<Lesson>> {
-        return timeTableWeek
-    }
-
-    fun getWeekMenu(): ArrayList<Meal>{
-        return weekMenus
-    }
-
-    fun getCourse(): CourseTTLink {
-        return course
+        println("startup completed in $startupTime ms")
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/controller/CacheController.kt

@@ -0,0 +1,123 @@
+/**
+ * ProjectLaogai
+ *
+ * Copyright 2019  <seil0@mosad.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ */
+
+package org.mosad.seil0.projectlaogai.controller
+
+import android.content.Context
+import com.google.gson.Gson
+import com.google.gson.JsonParser
+import org.mosad.seil0.projectlaogai.hsoparser.Course
+import org.mosad.seil0.projectlaogai.hsoparser.MensaWeek
+import org.mosad.seil0.projectlaogai.hsoparser.TimetableWeek
+import java.io.BufferedReader
+import java.io.File
+import java.io.FileReader
+import com.google.gson.reflect.TypeToken
+
+class CacheController(cont: Context) {
+
+    private val context = cont
+
+    companion object {
+        var coursesList = ArrayList<Course>()
+        var mensaCurrentWeek = MensaWeek()
+        var mensaNextWeek = MensaWeek()
+        var timetables = ArrayList<TimetableWeek>()
+
+        /**
+         * read current and next weeks mensa menus from the cached file
+         */
+        fun readMensa(context: Context) {
+            val file = File(context.filesDir, "mensa.json")
+
+            // make sure the file exists
+            if (!file.exists()) {
+                TCoRAPIController.getMensa(context).get()
+            }
+
+
+            val fileReader = FileReader(file)
+            val bufferedReader = BufferedReader(fileReader)
+            val mensaObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
+
+            val currentWeek = mensaObject.getAsJsonObject("currentWeek")
+            val nextWeek = mensaObject.getAsJsonObject("nextWeek")
+
+            mensaCurrentWeek = Gson().fromJson(currentWeek, MensaWeek().javaClass)
+            mensaNextWeek = Gson().fromJson(nextWeek, MensaWeek().javaClass)
+        }
+
+        /**
+         * read the weeks timetable from the cached file
+         * @param courseName the course name (e.g AI1)
+         * @param week the week to read (0 for the current and so on)
+         */
+        fun readTimetable(courseName: String, week: Int, context: Context) {
+            val file = File(context.filesDir, "timetable-$courseName-$week.json")
+
+            // make sure the file exists
+            if (!file.exists())
+                TCoRAPIController.getTimetable(courseName, week, context).get()
+
+            val fileReader = FileReader(file)
+            val bufferedReader = BufferedReader(fileReader)
+            val timetableObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
+
+            // make sure you add the single weeks in the exact order!
+            if (timetables.size == week) {
+                timetables.add(Gson().fromJson(timetableObject.getAsJsonObject("timetable"), TimetableWeek().javaClass))
+            } else if (timetables.size >= week) {
+                timetables[week] = Gson().fromJson(timetableObject.getAsJsonObject("timetable"), TimetableWeek().javaClass)
+            }
+        }
+    }
+
+    /**
+     * read coursesList, mensa (current and next week), timetable (current and next week)
+     * @param courseName the course name (e.g AI1)
+     */
+    fun readStartCache(courseName: String) {
+        readCoursesList()
+        readMensa(context)
+        readTimetable(courseName, 0, context)
+        readTimetable(courseName, 1, context)
+    }
+
+    /**
+     * read the courses list from the cached file
+     * add them to the coursesList object
+     */
+    private fun readCoursesList() {
+        val file = File(context.filesDir, "courses.json")
+
+        // make sure the file exists
+        if (!file.exists())
+            TCoRAPIController(context).getCoursesList().get()
+
+        val fileReader = FileReader(file)
+        val bufferedReader = BufferedReader(fileReader)
+        val coursesObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
+
+        coursesList = Gson().fromJson(coursesObject.getAsJsonArray("courses"), object : TypeToken<List<Course>>() {}.type)
+    }
+
+}

app/src/main/java/org/mosad/seil0/projectlaogai/controller/PreferencesController.kt

@@ -0,0 +1,133 @@
+/**
+ * ProjectLaogai
+ *
+ * Copyright 2019  <seil0@mosad.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ */
+
+package org.mosad.seil0.projectlaogai.controller
+
+import android.content.Context
+import android.graphics.Color
+import org.jetbrains.anko.defaultSharedPreferences
+import org.mosad.seil0.projectlaogai.R
+import org.mosad.seil0.projectlaogai.hsoparser.Course
+
+/**
+ * The PreferencesController class
+ * contains all preferences and global variables that exist in this app
+ */
+class PreferencesController {
+
+    companion object {
+        var coursesCacheTime: Long = 0
+        var mensaCacheTime: Long = 0
+        var timetableCacheTime: Long = 0
+        var cColorPrimary: Int = Color.BLACK
+        var cColorAccent: Int = Color.parseColor("#3F51B5")
+        var cCourse = Course("https://www.hs-offenburg.de/index.php?id=6627&class=class&iddV=DA64F6FE-9DDB-429E-A677-05D0D40CB636&week=0", "AI3")
+        var cShowBuffet = true
+
+        // the save function
+        fun save(context: Context) {
+            val sharedPref = context.defaultSharedPreferences
+
+            // save the update times (cache)
+            with (sharedPref.edit()) {
+                putLong(context.getString(R.string.save_key_coursesCacheTime),
+                    coursesCacheTime
+                )
+                putLong(context.getString(R.string.save_key_mensaCacheTime),
+                    mensaCacheTime
+                )
+                putLong(context.getString(R.string.save_key_timetableCacheTime),
+                    timetableCacheTime
+                )
+                apply()
+            }
+
+            // save the course
+            with (sharedPref.edit()) {
+                putString(context.getString(R.string.save_key_course), cCourse.courseName)
+                putString(context.getString(R.string.save_key_courseTTLink), cCourse.courseLink)
+                apply()
+            }
+
+            // save the primary color
+            with (sharedPref.edit()) {
+                putInt(context.getString(R.string.save_key_colorPrimary),
+                    cColorPrimary
+                )
+                apply()
+            }
+
+            // save the accent color
+            with (sharedPref.edit()) {
+                putInt(context.getString(R.string.save_key_colorAccent),
+                    cColorAccent
+                )
+                apply()
+            }
+
+            // save showBuffet
+            with (sharedPref.edit()) {
+                putBoolean(context.getString(R.string.save_key_showBuffet),
+                    cShowBuffet
+                )
+                apply()
+            }
+
+        }
+
+        // the load function
+        fun load(context: Context) {
+            val sharedPref = context.defaultSharedPreferences
+
+            // load the update times (cache)
+            coursesCacheTime = sharedPref.getLong(context.getString(
+                R.string.save_key_coursesCacheTime
+            ), 0)
+            mensaCacheTime = sharedPref.getLong(context.getString(
+                R.string.save_key_mensaCacheTime
+            ), 0)
+            timetableCacheTime = sharedPref.getLong(context.getString(
+                R.string.save_key_timetableCacheTime
+            ), 0)
+
+            // load saved course
+            cCourse = Course(
+                sharedPref.getString(context.getString(R.string.save_key_courseTTLink), "https://www.hs-offenburg.de/index.php?id=6627&class=class&iddV=DA64F6FE-9DDB-429E-A677-05D0D40CB636&week=0")!!,
+                sharedPref.getString(context.getString(R.string.save_key_course), "AI3")!!
+            )
+
+            // load saved colors
+            cColorPrimary = sharedPref.getInt(context.getString(
+                R.string.save_key_colorPrimary
+            ), Color.BLACK)
+            cColorAccent = sharedPref.getInt(context.getString(
+                R.string.save_key_colorAccent
+            ), Color.parseColor("#3F51B5"))
+
+            // load showBuffet
+            cShowBuffet = sharedPref.getBoolean(context.getString(
+                R.string.save_key_showBuffet
+            ), true)
+        }
+    }
+
+}

app/src/main/java/org/mosad/seil0/projectlaogai/controller/TCoRAPIController.kt

@@ -0,0 +1,98 @@
+/**
+ * ProjectLaogai
+ *
+ * Copyright 2019  <seil0@mosad.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ */
+
+package org.mosad.seil0.projectlaogai.controller
+
+import android.content.Context
+import org.jetbrains.anko.doAsync
+import org.json.JSONObject
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.coursesCacheTime
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.mensaCacheTime
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.timetableCacheTime
+import java.io.*
+import java.net.URL
+
+class TCoRAPIController(cont: Context) {
+    private val context = cont
+
+    companion object {
+        /**
+         * get the json object from tcor api and write it as file (cache)
+         */
+        fun getMensa(context: Context) = doAsync {
+            val url = URL("https://tcor.mosad.xyz/mensamenu")
+            val file = File(context.filesDir, "mensa.json")
+
+            // read data from the API
+            val mensaObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())
+
+            // write the json object to a file
+            val writer = BufferedWriter(FileWriter(file))
+            writer.write(mensaObject.toString())
+            writer.close()
+
+            // update cache time
+            mensaCacheTime = System.currentTimeMillis() / 1000
+            PreferencesController.save(context)
+        }
+
+        /**
+         * get the json object from tcor api and write it as file (cache)
+         */
+        fun getTimetable(courseName: String, week: Int, context: Context) = doAsync {
+            val url = URL("https://tcor.mosad.xyz/timetable?courseName=$courseName&week=$week")
+            val file = File(context.filesDir, "timetable-$courseName-$week.json")
+
+            // read data from the API
+            val mensaObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())
+
+            // write the json object to a file
+            val writer = BufferedWriter(FileWriter(file))
+            writer.write(mensaObject.toString())
+            writer.close()
+
+            // update cache time
+            timetableCacheTime = System.currentTimeMillis() / 1000
+            PreferencesController.save(context)
+        }
+    }
+
+    /**
+     * get the json object from tcor api and write it as file (cache)
+     */
+    fun getCoursesList() = doAsync {
+        val url = URL("https://tcor.mosad.xyz/courses")
+        val file = File(context.filesDir, "courses.json")
+
+        // read data from the API
+        val coursesObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())
+
+        // write the json object to a file
+        val writer = BufferedWriter(FileWriter(file))
+        writer.write(coursesObject.toString())
+        writer.close()
+
+        // update cache time
+        coursesCacheTime = System.currentTimeMillis() / 1000
+        PreferencesController.save(context)
+    }
+}

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/HomeFragment.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,20 +22,29 @@
 
 package org.mosad.seil0.projectlaogai.fragments
 
+import android.graphics.Typeface
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
 import com.afollestad.materialdialogs.MaterialDialog
 import kotlinx.android.synthetic.main.fragment_home.*
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.uiThread
-import org.mosad.seil0.projectlaogai.MainActivity
 import org.mosad.seil0.projectlaogai.R
-import org.mosad.seil0.projectlaogai.hsoparser.*
-import org.mosad.seil0.projectlaogai.uicomponents.LessonCardView
+import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.mensaCurrentWeek
+import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.timetables
+import org.mosad.seil0.projectlaogai.hsoparser.DataTypes
+import org.mosad.seil0.projectlaogai.hsoparser.Meal
+import org.mosad.seil0.projectlaogai.hsoparser.NotRetardedCalendar
+import org.mosad.seil0.projectlaogai.hsoparser.TimetableDay
+import org.mosad.seil0.projectlaogai.uicomponents.DayCardView
+import org.mosad.seil0.projectlaogai.uicomponents.LessonLinearLayout
+import org.mosad.seil0.projectlaogai.uicomponents.MealLinearLayout
+import java.text.SimpleDateFormat
 import java.util.*
 
 /**
@@ -44,19 +53,14 @@ import java.util.*
  */
 class HomeFragment : Fragment() {
 
-    private lateinit var linLayoutTimeTable: LinearLayout
-    private var mainActivity = MainActivity()
+    private val formatter = SimpleDateFormat("E dd.MM", Locale.getDefault())
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 
         val view: View = inflater.inflate(R.layout.fragment_home, container, false)
 
-        // init UI elements
-        linLayoutTimeTable = view.findViewById(R.id.linLayoutTimeTable)
-
-        //setText()
-        addCurrentMensaMenu()
-        addCurrentTimeTable()
+        addMensaMenu().get()
+        addTimeTable()
 
         // Inflate the layout for this fragment
         return view
@@ -64,27 +68,47 @@ class HomeFragment : Fragment() {
 
     /**
      * add the current mensa meal to the home screens
-     * TODO show meals of the next day if its later than 1500
      */
-    private fun addCurrentMensaMenu() {
-        doAsync {
-            val dayMenus: ArrayList<Meal> = MensaParser().getMensaMenuDay(mainActivity.getWeekMenu(), Calendar.getInstance().get(Calendar.DAY_OF_WEEK))
+    private fun addMensaMenu() = doAsync {
 
-            uiThread {
+        var dayMeals: ArrayList<Meal>
+        val cal = Calendar.getInstance()
+        val mensaCardView = DayCardView(context!!)
 
-                if (dayMenus.size >= 2) {
-                    for (part in dayMenus[0].parts) {
-                        txtViewMenu1.append(part)
-                    }
+        uiThread {
 
-                    for (part in dayMenus[1].parts) {
-                        txtViewMenu2.append(part)
-                    }
-                } else {
-                    txtViewMenu1.text = resources.getString(R.string.no_meal_today)
-                    txtViewMenu2.text = resources.getString(R.string.no_meal_today)
-                }
+            if (cal.get(Calendar.HOUR_OF_DAY) < 15) {
+                dayMeals = mensaCurrentWeek.days[NotRetardedCalendar().getDayOfWeekIndex()].meals
+                mensaCardView.setDayHeading(resources.getString(R.string.today_date, formatter.format(cal.time)))
+            } else {
+                dayMeals = mensaCurrentWeek.days[NotRetardedCalendar().getTomorrowWeekIndex()].meals
+                cal.add(Calendar.DATE, 1)
+                mensaCardView.setDayHeading(resources.getString(R.string.tomorrow_date, formatter.format(cal.time)))
             }
+
+            if (dayMeals.size >= 2) {
+                // get the index of the first meal, not a "Schneller Teller"
+                loop@ for ((i, meal) in dayMeals.withIndex()) {
+                    if (meal.heading.contains("Essen")) {
+
+                        val meal1Layout = MealLinearLayout(context)
+                        meal1Layout.setMeal(dayMeals[i])
+                        mensaCardView.getLinLayoutDay().addView(meal1Layout)
+
+                        val meal2Layout = MealLinearLayout(context)
+                        meal2Layout.setMeal(dayMeals[i + 1])
+                        meal2Layout.disableDivider()
+                        mensaCardView.getLinLayoutDay().addView(meal2Layout)
+
+                        break@loop
+                    }
+                }
+
+            } else {
+                mensaCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.mensa_closed)))
+            }
+
+            linLayout_Home.addView(mensaCardView)
         }
 
     }
@@ -92,51 +116,119 @@ class HomeFragment : Fragment() {
     /**
      * add the current timetable to the home screen
      */
-    private fun addCurrentTimeTable() {
+    private fun addTimeTable() = doAsync {
         val dayIndex = NotRetardedCalendar().getDayOfWeekIndex()
+        val cal = Calendar.getInstance()
+        var dayCardView: DayCardView
 
-        if (mainActivity.getCurrentTimeTableWeek().isNotEmpty() && dayIndex < 6) {
+        uiThread {
 
-            val timeTableDay = mainActivity.getCurrentTimeTableWeek()[dayIndex]
+            if (timetables.isNotEmpty() && dayIndex < 6) {
 
-            for (i in 0..5) {
-                val lessonCardView = LessonCardView(context!!, null)
+                // first check the current day
+                dayCardView = addDayTimetable(timetables[0].days[dayIndex])
+                dayCardView.setDayHeading(resources.getString(R.string.today_date, formatter.format(cal.time)))
 
-                lessonCardView.getTxtViewLesson().text = resources.getString(R.string.string_new_line, timeTableDay[i].lessonSubject)
-                lessonCardView.getTxtViewLesson().append(timeTableDay[i].lessonTeacher + "\n")
-                lessonCardView.getTxtViewLesson().append(timeTableDay[i].lessonRoom)
-                lessonCardView.getTxtViewTime().text = DataTypes().getTime()[i]
+                // if there are no lessons try to find the next day with a lesson
+                if (dayCardView.getLinLayoutDay().childCount <= 1)
+                    dayCardView = findNextDay(0, dayIndex + 1)
 
-                if(lessonCardView.getTxtViewLesson().text.length > 2)
-                    linLayoutTimeTable.addView(lessonCardView)
-            }
-
-            // add a card if there is no lesson today
-            if (linLayoutTimeTable.childCount == 0) {
-                // TODO we could display the next day with a lecture
-                val noLessonCardView = LessonCardView(context!!, null)
-                noLessonCardView.getTxtViewLesson().text = resources.getString(R.string.no_lesson_today)
-                linLayoutTimeTable.addView(noLessonCardView)
-            }
-        } else {
-            if (dayIndex == 6) {
+                linLayout_Home.addView(dayCardView)
+            } else if (dayIndex == 6) {
                 // if that's the case it's sunday
-                val noLessonCardView = LessonCardView(context!!, null)
-                noLessonCardView.getTxtViewLesson().text = resources.getString(R.string.no_lesson_today)
-                linLayoutTimeTable.addView(noLessonCardView)
+                dayCardView = findNextDay(1, 0)
+                linLayout_Home.addView(dayCardView)
             } else {
                 MaterialDialog(context!!)
                     .title(R.string.error)
-                    .message(R.string.gen_tt_error)
+                    .message(R.string.timetable_error)
                     .show()
                 // TODO log the error and send feedback
             }
 
         }
+
     }
 
-    fun setMainActivity(mainActivity: MainActivity) {
-        this.mainActivity = mainActivity
+    /**
+     * add the timetable of one day to the home-screen
+     * @param dayTimetable the day you wish to add
+     */
+    private fun addDayTimetable(dayTimetable: TimetableDay) : DayCardView{
+        var helpLesson = LessonLinearLayout(context)
+        val dayCardView = DayCardView(context!!)
+
+        for ((tsIndex, timeslot) in dayTimetable.timeslots.withIndex()) {
+
+            for(lesson in timeslot) {
+                if(lesson.lessonSubject.isNotEmpty()) {
+
+                    val lessonLayout = LessonLinearLayout(context)
+                    lessonLayout.setLesson(lesson, DataTypes().getTime()[tsIndex])
+                    dayCardView.getLinLayoutDay().addView(lessonLayout)
+
+                    if (lesson != timeslot.last()) {
+                        lessonLayout.disableDivider()
+                    }
+
+                    helpLesson = lessonLayout
+                }
+            }
+        }
+
+        helpLesson.disableDivider()
+
+        return  dayCardView
+    }
+
+    /**
+     * find the next day with a lesson
+     * @param startWeekIndex the week you want to start searching
+     * @param startDayIndex the day index you want to start searching
+     * @return a DayCardView with all lessons added
+     */
+    private fun findNextDay(startWeekIndex: Int, startDayIndex: Int) : DayCardView{
+        val cal = Calendar.getInstance()
+        var dayCardView = DayCardView(context!!)
+        var dayTimetable: TimetableDay? = null
+        var dayIndexSearch = startDayIndex
+        var weekIndexSearch = startWeekIndex
+        loop@ while (dayTimetable == null && weekIndexSearch <= timetables.size) {
+            for (i in (dayIndexSearch) ..5) {
+                dayTimetable = timetables[weekIndexSearch].days[i]
+                cal.add(Calendar.DATE, 1)
+
+                // add the timetable to the card, if it contains at least one lesson break!
+                dayCardView = addDayTimetable(dayTimetable)
+                dayCardView.setDayHeading(formatter.format(cal.time))
+
+                if (dayCardView.getLinLayoutDay().childCount > 1)
+                    return dayCardView
+            }
+            dayIndexSearch = 0
+            weekIndexSearch++
+            cal.add(Calendar.DATE, 1)
+        }
+
+        dayCardView.setDayHeading(formatter.format(Calendar.getInstance().time))
+        dayCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.no_lesson_today))) // if there is no lecture at all show the no lesson card
+        return dayCardView
+    }
+
+    /**
+     * @param text the text to show on the card
+     * @return a TextView with the text and all needed parameters
+     */
+    private fun getNoCard(text: String): TextView {
+        val noLesson = TextView(context)
+        noLesson.text = text
+        noLesson.setTextColor(ContextCompat.getColor(context!!, R.color.textPrimary))
+        noLesson.textSize = 18.0F
+        noLesson.setTypeface(null, Typeface.BOLD)
+        noLesson.textAlignment = View.TEXT_ALIGNMENT_CENTER
+        noLesson.setPadding(7,7,7,7)
+
+        return noLesson
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/MensaFragment.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,18 +23,22 @@
 package org.mosad.seil0.projectlaogai.fragments
 
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.LinearLayout
+import androidx.fragment.app.Fragment
+import kotlinx.android.synthetic.main.fragment_mensa.*
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.uiThread
-import org.mosad.seil0.projectlaogai.MainActivity
-import org.mosad.seil0.projectlaogai.R
-import org.mosad.seil0.projectlaogai.uicomponents.MensaDayCardView
-import org.mosad.seil0.projectlaogai.uicomponents.MenuCardView
-import java.util.*
+import org.mosad.seil0.projectlaogai.controller.CacheController
+import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.mensaCurrentWeek
+import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.mensaNextWeek
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cShowBuffet
+import org.mosad.seil0.projectlaogai.controller.TCoRAPIController
+import org.mosad.seil0.projectlaogai.hsoparser.MensaWeek
+import org.mosad.seil0.projectlaogai.hsoparser.NotRetardedCalendar
+import org.mosad.seil0.projectlaogai.uicomponents.DayCardView
+import org.mosad.seil0.projectlaogai.uicomponents.MealLinearLayout
 
 /**
  * The mensa controller class
@@ -42,76 +46,96 @@ import java.util.*
  */
 class MensaFragment : Fragment() {
 
-    private lateinit var linLayoutMensaFragment: LinearLayout
-    private var mainActivity = MainActivity()
-
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 
-        val view: View = inflater.inflate(R.layout.fragment_mensa, container, false)
+        val view: View = inflater.inflate(org.mosad.seil0.projectlaogai.R.layout.fragment_mensa, container, false)
 
-        linLayoutMensaFragment = view.findViewById(R.id.linLayout_MensaFragment)
+        // init actions
+        refreshAction()
 
-        addCurrentWeek()
+        // add the current week (week starts on sunday)
+        val dayCurrent =  if(NotRetardedCalendar().getDayOfWeekIndex() == 6) 0 else NotRetardedCalendar().getDayOfWeekIndex()
+        addWeek(mensaCurrentWeek, dayCurrent).get()
+
+        // add the next week
+        addWeek(mensaNextWeek, 0)
+
+        // TODO should we show a info if there is no more food this & next week?
 
         return view
     }
 
-    private fun addCurrentWeek() {
+    /**
+     * add all menus from dayStart to Friday for a given week
+     * @param menusWeek menu of type MensaWeek you want to add
+     * @param dayStart the first day of the week to add
+     */
+    private fun addWeek(menusWeek: MensaWeek, dayStart: Int) = doAsync {
 
-        doAsync {
+        uiThread {
 
-            uiThread {
+            // only add the days dayStart to Fri since the mensa is closed on Sat/Sun
+            for (dayIndex in dayStart..4) {
+                var helpMeal = MealLinearLayout(context)
+                val dayCardView = DayCardView(context!!)
 
-                for(day in Calendar.getInstance().get(Calendar.DAY_OF_WEEK)..7) {
+                if(menusWeek.days[dayIndex].meals.isNotEmpty())
+                    dayCardView.setDayHeading(menusWeek.days[dayIndex].meals[0].day)
 
-                    val strDay: String = when(day) {
-                        Calendar.MONDAY -> "Mon"
-                        Calendar.TUESDAY -> "Die"
-                        Calendar.WEDNESDAY -> "Mit"
-                        Calendar.THURSDAY -> "Don"
-                        Calendar.FRIDAY -> "Fre"
-                        Calendar.SATURDAY -> "Sam"
-                        else -> "TODAY" //TODO
+                for (meal in menusWeek.days[dayIndex].meals) {
+                    val mealLayout = MealLinearLayout(context)
+                    mealLayout.setMeal(meal)
+
+                    if(meal.heading != "Buffet" || cShowBuffet) {
+                        dayCardView.getLinLayoutDay().addView(mealLayout)
+                        helpMeal = mealLayout
                     }
-
-                    val cardViewMensaDay = MensaDayCardView(context!!, null)
-                    var add = false
-
-                    for (meal in mainActivity.getWeekMenu()) {
-                        //println("Day: " + meal.day)
-                        if (meal.day.contains(strDay)) {
-
-                            val menuViewMenu = MenuCardView(context!!, null)
-                            menuViewMenu.setMenuHeading(meal.heading)
-
-                            for(part in meal.parts) {
-                                menuViewMenu.getTxtViewMenu().append(part)
-                            }
-
-                            cardViewMensaDay.setDayHeading(meal.day) //TODO move this out of the first for loop, performance!!
-                            cardViewMensaDay.getLinLayoutMensaDay().addView(menuViewMenu)
-                            add = true
-                        }
-                    }
-
-
-                    if(add)
-                        linLayoutMensaFragment.addView(cardViewMensaDay)
                 }
 
-                // add a card if there are no more meals in this week
-                if(linLayoutMensaFragment.childCount == 0) {
-                    val cardViewNoMoreFood = MensaDayCardView(context!!, null)
-                    cardViewNoMoreFood.setDayHeading(resources.getString(R.string.no_more_food))
-                    linLayoutMensaFragment.addView(cardViewNoMoreFood)
-                }
+                helpMeal.disableDivider()
+
+                if(dayCardView.getLinLayoutDay().childCount > 1)
+                    linLayout_Mensa.addView(dayCardView)
+            }
+
+        }
+
+    }
+
+    /**
+     * initialize the refresh action
+     */
+    private fun refreshAction() = doAsync {
+        uiThread {
+            // set the refresh listener
+            refreshLayout_Mensa.setOnRefreshListener {
+                updateMensaScreen()
             }
 
         }
     }
 
-    fun setMainActivity(mainActivity: MainActivity) {
-        this.mainActivity = mainActivity
+    /**
+     * refresh the mensa cache and update the mensa screen
+     */
+    private fun updateMensaScreen() = doAsync {
+        // update the cache
+        TCoRAPIController.getMensa(context!!).get() // blocking since we want the new data
+        CacheController.readMensa(context!!)
+
+        uiThread {
+            // remove all menus from the layout
+            linLayout_Mensa.removeAllViews()
+
+            // add the refreshed menus
+            val dayCurrent = if (NotRetardedCalendar().getDayOfWeekIndex() == 6) 0 else NotRetardedCalendar().getDayOfWeekIndex()
+            addWeek(mensaCurrentWeek, dayCurrent).get()
+
+            // add the next week
+            addWeek(mensaNextWeek, 0)
+
+            refreshLayout_Mensa.isRefreshing = false
+        }
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/MoodleFragment.kt

@@ -0,0 +1,58 @@
+/**
+ * ProjectLaogai
+ *
+ * Copyright 2019  <seil0@mosad.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ */
+
+package org.mosad.seil0.projectlaogai.fragments
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.webkit.WebSettings
+import android.webkit.WebView
+import org.mosad.seil0.projectlaogai.R
+import android.webkit.WebViewClient
+
+/**
+ * The moodle screen controller class
+ * contains all needed parts to display and the moodle screen
+ */
+class MoodleFragment : Fragment() {
+
+    private lateinit var webView: WebView
+    private lateinit var webSettings: WebSettings
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+
+        val view: View = inflater.inflate(R.layout.fragment_moodle, container, false)
+
+        webView = view.findViewById(R.id.webView)
+        webView.loadUrl("https://elearning.hs-offenburg.de/moodle/")
+
+        webSettings = webView.settings
+        //webSettings.setJavaScriptEnabled(true) // Enable Javascript
+
+        webView.webViewClient = WebViewClient() // Force links and redirects to open in the WebView instead of in a browser
+
+        return view
+    }
+}

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/SettingsFragment.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,13 +22,15 @@
 
 package org.mosad.seil0.projectlaogai.fragments
 
-import android.graphics.Color
+import android.content.Context
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.LinearLayout
+import android.widget.Switch
+import androidx.fragment.app.Fragment
+import com.afollestad.aesthetic.Aesthetic
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.color.colorChooser
 import com.afollestad.materialdialogs.customview.customView
@@ -36,10 +38,18 @@ import com.afollestad.materialdialogs.list.listItems
 import kotlinx.android.synthetic.main.fragment_settings.*
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.uiThread
-import org.mosad.seil0.projectlaogai.MainActivity
+import org.mosad.seil0.projectlaogai.BuildConfig
+import org.mosad.seil0.projectlaogai.controller.PreferencesController
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cColorAccent
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cColorPrimary
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cCourse
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cShowBuffet
 import org.mosad.seil0.projectlaogai.R
-import org.mosad.seil0.projectlaogai.hsoparser.CourseTTLink
-import java.util.ArrayList
+import org.mosad.seil0.projectlaogai.controller.CacheController
+import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.coursesList
+import org.mosad.seil0.projectlaogai.controller.TCoRAPIController
+import org.mosad.seil0.projectlaogai.hsoparser.DataTypes
+import java.util.*
 
 /**
  * The settings controller class
@@ -49,12 +59,10 @@ class SettingsFragment : Fragment() {
 
     private lateinit var linLayoutUser: LinearLayout
     private lateinit var linLayoutCourse: LinearLayout
-    private lateinit var linLayoutInfo: LinearLayout
-    private lateinit var linLayoutMainColor: LinearLayout
-    private lateinit var viewPrimaryColor: View
-    private lateinit var courseTTLinkList: ArrayList<CourseTTLink>
-    private var mainActivity = MainActivity()
-
+    private lateinit var linLayoutAbout: LinearLayout
+    private lateinit var linLayoutPrimaryColor: LinearLayout
+    private lateinit var linLayoutAccentColor: LinearLayout
+    private lateinit var switchBuffet: Switch
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 
@@ -62,9 +70,10 @@ class SettingsFragment : Fragment() {
 
         linLayoutUser = view.findViewById(R.id.linLayout_User)
         linLayoutCourse = view.findViewById(R.id.linLayout_Course)
-        linLayoutInfo = view.findViewById(R.id.linLayout_Info)
-        linLayoutMainColor = view.findViewById(R.id.linLayout_MainColor)
-        viewPrimaryColor = view.findViewById(R.id.view_PrimaryColor)
+        linLayoutAbout = view.findViewById(R.id.linLayout_About)
+        linLayoutPrimaryColor = view.findViewById(R.id.linLayout_PrimaryColor)
+        linLayoutAccentColor = view.findViewById(R.id.linLayout_AccentColor)
+        switchBuffet = view.findViewById(R.id.switch_buffet)
 
         initActions()
 
@@ -75,7 +84,9 @@ class SettingsFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        txtView_Course.text = mainActivity.getCourse().course
+        txtView_Course.text = cCourse.courseName
+        txtView_AboutDesc.text =  resources.getString(R.string.about_version, BuildConfig.VERSION_NAME, getString(R.string.build_time))
+        switch_buffet.isChecked = cShowBuffet // init switch
     }
 
     /**
@@ -87,24 +98,89 @@ class SettingsFragment : Fragment() {
         }
 
         linLayoutCourse.setOnClickListener {
-            // open a new dialog
-            val courseList = ArrayList<String>()
+            selectCourse(context!!)
+            txtView_Course.text = cCourse.courseName // update txtView
+        }
 
-            courseTTLinkList = mainActivity.getCourseTTLinkList()
-            courseTTLinkList.forEach { (_, course) ->
-                courseList.add(course)
-            }
+        linLayoutAbout.setOnClickListener {
+            // open a new info dialog
+            MaterialDialog(context!!)
+                .title(R.string.about_dialog_heading)
+                .message(R.string.about_dialog_text)
+                .show()
+        }
 
-            MaterialDialog(context!!).listItems(items = courseList){ _, index, text ->
-                txtView_Course.text = text // update txtView
+        linLayoutPrimaryColor.setOnClickListener {
+            // open a new color chooser dialog
+            MaterialDialog(context!!)
+                .title(R.string.primary_color)
+                .colorChooser(DataTypes().primaryColors, allowCustomArgb = true, initialSelection = cColorPrimary) { _, color ->
+                    view_PrimaryColor.setBackgroundColor(color)
+                    Aesthetic.config {
+                        colorPrimary(color)
+                        colorPrimaryDark(color)
+                        apply()
+                    }
 
-                val dialog = MaterialDialog(context!!).cancelable(false)
+                    cColorPrimary = color
+                    PreferencesController.save(context!!)
+                }
+                .positiveButton(R.string.select)
+                .show()
+        }
+
+        linLayoutAccentColor.setOnClickListener {
+            // open a new color chooser dialog
+            MaterialDialog(context!!)
+                .title(R.string.accent_color)
+                .colorChooser(DataTypes().accentColors, allowCustomArgb = true, initialSelection = cColorAccent) { _, color ->
+                    view_AccentColor.setBackgroundColor(color)
+                    Aesthetic.config {
+                        colorAccent(color)
+                        apply()
+                    }
+
+                    cColorAccent = color
+                    PreferencesController.save(context!!)
+                }
+                .positiveButton(R.string.select)
+                .show()
+        }
+
+        switchBuffet.setOnClickListener {
+            cShowBuffet = switchBuffet.isChecked
+            PreferencesController.save(context!!)
+            println(switchBuffet.isChecked)
+        }
+
+    }
+
+    fun selectCourse(context: Context) {
+        val courseNameList = ArrayList<String>()
+        coursesList.forEach { (_, courseName) ->
+            courseNameList.add(courseName)
+        }
+
+        // open a new dialog
+        MaterialDialog(context)
+            .title(R.string.select_course)
+            .listItems(items = courseNameList) { _, index, _ ->
+
+                val dialog = MaterialDialog(context).cancelable(false)
                     .cancelOnTouchOutside(false)
                     .customView(R.layout.dialog_loading)
                 dialog.show()
 
                 doAsync {
-                    mainActivity.updateCourse(courseTTLinkList[index])
+                    cCourse = coursesList[index] // set the course
+                    PreferencesController.save(context)
+
+                    // update current & next weeks timetable
+                    TCoRAPIController.getTimetable(cCourse.courseName, 0, context).get() // blocking since we want the new data
+                    TCoRAPIController.getTimetable(cCourse.courseName, 1, context).get() // blocking since we want the new data
+
+                    CacheController.readTimetable(cCourse.courseName, 0, context)
+                    CacheController.readTimetable(cCourse.courseName, 1, context)
 
                     uiThread {
                         dialog.dismiss()
@@ -113,32 +189,6 @@ class SettingsFragment : Fragment() {
 
             }
             .show()
-        }
-
-        linLayoutInfo.setOnClickListener {
-            // open a new info dialog
-            MaterialDialog(context!!)
-                .title(R.string.about)
-                .message(R.string.about_text)
-                .show()
-        }
-
-        linLayoutMainColor.setOnClickListener {
-            // open a new color chooser dialog
-            val colors = intArrayOf(Color.parseColor("#3F51B5"), Color.RED, Color.GREEN, Color.BLUE)
-
-            MaterialDialog(context!!)
-                .title(R.string.primary_color)
-                .colorChooser(colors, initialSelection = Color.parseColor("#3F51B5")) { _, color ->
-                    viewPrimaryColor.setBackgroundColor(color)
-                }
-                .positiveButton(R.string.select)
-                .show()
-        }
-    }
-
-    fun setMainActivity(mainActivity: MainActivity) {
-        this.mainActivity = mainActivity
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/fragments/TimeTableFragment.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,21 +22,24 @@
 
 package org.mosad.seil0.projectlaogai.fragments
 
-import android.graphics.Color
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.LinearLayout
+import androidx.fragment.app.Fragment
+import com.afollestad.materialdialogs.MaterialDialog
+import kotlinx.android.synthetic.main.fragment_timetable.*
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.uiThread
-import org.mosad.seil0.projectlaogai.MainActivity
 import org.mosad.seil0.projectlaogai.R
+import org.mosad.seil0.projectlaogai.controller.CacheController
+import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.timetables
+import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cCourse
+import org.mosad.seil0.projectlaogai.controller.TCoRAPIController
 import org.mosad.seil0.projectlaogai.hsoparser.DataTypes
 import org.mosad.seil0.projectlaogai.hsoparser.NotRetardedCalendar
-import org.mosad.seil0.projectlaogai.uicomponents.LessonCardView
-import org.mosad.seil0.projectlaogai.uicomponents.MensaDayCardView
+import org.mosad.seil0.projectlaogai.hsoparser.TimetableWeek
+import org.mosad.seil0.projectlaogai.uicomponents.*
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -46,68 +49,118 @@ import java.util.*
  */
 class TimeTableFragment : Fragment() {
 
-    private lateinit var linLayoutTTFragment: LinearLayout
-    private var mainActivity = MainActivity()
+    private val formatter = SimpleDateFormat("E dd.MM", Locale.getDefault()) // TODO change to android call when min api is 24
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 
-        val view: View = inflater.inflate(R.layout.fragment_time_table, container, false)
+        val view: View = inflater.inflate(R.layout.fragment_timetable, container, false)
 
-        linLayoutTTFragment = view.findViewById(R.id.linLayout_TTFragment)
+        // init actions
+        refreshAction()
 
-        addCurrentWeek()
+        if (timetables[0].days.isNotEmpty() && timetables[1].days.isNotEmpty()) {
+            addInitWeeks()
+        } else {
+            MaterialDialog(context!!)
+                .title(R.string.error)
+                .message(R.string.timetable_error)
+                .show()
+        }
 
         return view
     }
 
     /**
-     * add the remaining days of the current week to the timetable screen
-     * TODO show the current day and the following 5 days
+     * add the current and next weeks lessons
      */
-    private fun addCurrentWeek() {
+    private fun addInitWeeks() = doAsync {
         val dayIndex = NotRetardedCalendar().getDayOfWeekIndex()
+        val calendar = Calendar.getInstance()
 
-        doAsync {
+        // add current week
+        addWeek(dayIndex, 5, timetables[0], calendar).get()
 
-            uiThread {
+        // add next week
+        addWeek(0, dayIndex - 1, timetables[1], calendar)
+    }
 
-                println(dayIndex)
-                for(day in dayIndex..5) {
+    private fun addWeek(dayStart: Int, dayEnd: Int, timetable: TimetableWeek, calendar: Calendar) = doAsync {
+        uiThread {
 
-                    val formatter = SimpleDateFormat("E dd.MM", Locale.GERMANY) // TODO change to android call when min api is 24
-                    val calendar = Calendar.getInstance()
-                    calendar.firstDayOfWeek = Calendar.MONDAY
-                    calendar.add(Calendar.DATE,day - Calendar.getInstance().get(Calendar.DAY_OF_WEEK))
+            for (day in dayStart..dayEnd) {
+                var helpLesson = LessonLinearLayout(context)
+                val dayCardView = DayCardView(context!!)
+                dayCardView.setDayHeading(formatter.format(calendar.time))
 
-                    val cardViewTimeTableDay = MensaDayCardView(context!!, null)
-                    cardViewTimeTableDay.setDayHeading(formatter.format(calendar.time))
+                // for each timeslot of the day
+                for ((tsIndex, timeslot) in timetable.days[day].timeslots.withIndex()) {
 
-                    // for each lessen of the day
-                    for((i, lesson) in mainActivity.getCurrentTimeTableWeek()[dayIndex].withIndex()) {
-                        val lessonCardView = LessonCardView(context!!, null)
-                        lessonCardView.setBackgroundColor(Color.TRANSPARENT)
+                    for(lesson in timeslot) {
 
-                        lessonCardView.getTxtViewLesson().text = resources.getString(R.string.string_new_line, lesson.lessonSubject)
-                        lessonCardView.getTxtViewLesson().append(lesson.lessonTeacher + "\n")
-                        lessonCardView.getTxtViewLesson().append(lesson.lessonRoom)
-                        lessonCardView.getTxtViewTime().text = DataTypes().getTime()[i]
+                        if(lesson.lessonSubject.isNotEmpty()) {
 
-                        if(lessonCardView.getTxtViewLesson().text.length > 2)
-                            cardViewTimeTableDay.getLinLayoutMensaDay().addView(lessonCardView)
+                            val lessonLayout = LessonLinearLayout(context)
+                            lessonLayout.setLesson(lesson, DataTypes().getTime()[tsIndex])
+                            dayCardView.getLinLayoutDay().addView(lessonLayout)
+
+                            if (lesson != timeslot.last())
+                                lessonLayout.disableDivider()
+
+                            helpLesson = lessonLayout
+                        }
                     }
-
-                    // TODO if there is no lesson at one day , show a no lesson card
-
-                    linLayoutTTFragment.addView(cardViewTimeTableDay)
                 }
 
+                helpLesson.disableDivider()
+                calendar.add(Calendar.DATE, 1)
+
+                // if there are no lessons don't show the dayCardView
+                if (dayCardView.getLinLayoutDay().childCount > 1)
+                    linLayout_Timetable.addView(dayCardView)
+
+            }
+
+            calendar.add(Calendar.DATE, 1) // before this we are at a sunday (no lecture on sundays!)
+        }
+    }
+
+    /**
+     * initialize the refresh action
+     */
+    private fun refreshAction() = doAsync {
+        uiThread {
+            // set the refresh listener
+            refreshLayout_Timetable.setOnRefreshListener {
+                updateTimetableScreen()
             }
 
         }
     }
 
-    fun setMainActivity(mainActivity: MainActivity) {
-        this.mainActivity = mainActivity
+    private fun updateTimetableScreen() = doAsync {
+        // update the cache
+        TCoRAPIController.getTimetable(cCourse.courseName, 0, context!!).get() // blocking since we want the new data
+        TCoRAPIController.getTimetable(cCourse.courseName, 1, context!!).get() // blocking since we want the new data
+
+        CacheController.readTimetable(cCourse.courseName, 0, context!!)
+        CacheController.readTimetable(cCourse.courseName, 1, context!!)
+
+        uiThread {
+            // remove all menus from the layout
+            linLayout_Timetable.removeAllViews()
+
+            // add the refreshed timetables
+            val dayIndex = NotRetardedCalendar().getDayOfWeekIndex()
+            val calendar = Calendar.getInstance()
+
+            // add current week
+            addWeek(dayIndex, 5, timetables[0], calendar).get()
+
+            // add next week
+            addWeek(0, dayIndex - 1, timetables[1], calendar)
+
+            refreshLayout_Timetable.isRefreshing = false
+        }
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/DataTypes.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,11 +22,55 @@
 
 package org.mosad.seil0.projectlaogai.hsoparser
 
+import android.graphics.Color
 import java.util.*
+import kotlin.collections.ArrayList
 
 class DataTypes {
     val times = arrayOf("8.00 - 9.30", "9.45 - 11.15" ,"11.35 - 13.05", "14.00 -15.30", "15.45 - 17.15", "17.30 - 19.00")
 
+    val primaryColors = intArrayOf(
+        Color.parseColor("#E53935"),
+        Color.parseColor("#E91E63"),
+        Color.parseColor("#9C27B0"),
+        Color.parseColor("#673AB7"),
+        Color.parseColor("#3F51B5"),
+        Color.parseColor("#2196F3"),
+        Color.parseColor("#03A9F4"),
+        Color.parseColor("#00BCD4"),
+        Color.parseColor("#009688"),
+        Color.parseColor("#4CAF50"),
+        Color.parseColor("#8BC34A"),
+        Color.parseColor("#CDDC39"),
+        Color.parseColor("#FDD835"),
+        Color.parseColor("#FFB300"),
+        Color.parseColor("#FB8C00"),
+        Color.parseColor("#FF5722"),
+        Color.parseColor("#795548"),
+        Color.parseColor("#9E9E9E"),
+        Color.parseColor("#607B8B"),
+        Color.parseColor("#000000")
+    )
+
+    val accentColors = intArrayOf(
+        Color.parseColor("#FF1744"),
+        Color.parseColor("#F50057"),
+        Color.parseColor("#D500F9"),
+        Color.parseColor("#3F51B5"),
+        Color.parseColor("#3D5AFE"),
+        Color.parseColor("#2979FF"),
+        Color.parseColor("#00B0FF"),
+        Color.parseColor("#00E5FF"),
+        Color.parseColor("#1DE9B6"),
+        Color.parseColor("#00E676"),
+        Color.parseColor("#C6FF00"),
+        Color.parseColor("#FFD600"),
+        Color.parseColor("#FFC400"),
+        Color.parseColor("#FF9100"),
+        Color.parseColor("#FF3D00"),
+        Color.parseColor("#000000")
+        )
+
     init {
         // do something
     }
@@ -53,11 +97,30 @@ class NotRetardedCalendar {
         }
     }
 
-
+    fun getTomorrowWeekIndex(): Int {
+        return when(calendar.get(Calendar.DAY_OF_WEEK)) {
+            Calendar.MONDAY -> 1
+            Calendar.TUESDAY -> 2
+            Calendar.WEDNESDAY -> 3
+            Calendar.THURSDAY -> 4
+            Calendar.FRIDAY -> 5
+            Calendar.SATURDAY -> 6
+            Calendar.SUNDAY -> 0
+            else -> 7
+        }
+    }
 }
 
+data class Course(val courseLink: String, val courseName: String)
+
+data class Meal(val day: String, val heading: String, val parts: ArrayList<String>, val additives: String)
+
+data class Meals(val meals: ArrayList<Meal>)
+
+data class MensaWeek(val days: Array<Meals> = Array(7) { Meals(ArrayList()) })
+
 data class Lesson(val lessonSubject: String, val lessonTeacher: String, val lessonRoom:String, val lessonRemark: String)
 
-data class CourseTTLink(val courseTTLink: String, val course: String)
+data class TimetableDay( val timeslots: Array<ArrayList<Lesson>> = Array(6) { ArrayList<Lesson>()})
 
-data class Meal(val day: String, val heading: String, val parts: ArrayList<String>, val additives: String)
+data class TimetableWeek(val days: Array<TimetableDay> = Array(6) { TimetableDay() })

app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/MensaParser.kt

@@ -1,79 +0,0 @@
-/**
- * ProjectLaogai
- *
- * Copyright 2018  <seil0@mosad.xyz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- *
- */
-
-package org.mosad.seil0.projectlaogai.hsoparser
-
-import org.jsoup.Jsoup
-import java.util.*
-
-class MensaParser {
-    private var mealList = ArrayList<Meal>()
-
-    init {
-        // do something
-    }
-
-    /**
-     * returns the mensa menu for the whole week
-     */
-    fun getMensaMenu(): ArrayList<Meal> {
-        val menuHTML = Jsoup.connect("https://www.swfr.de/de/essen-trinken/speiseplaene/mensa-offenburg/").get()
-
-        menuHTML.select("#speiseplan-tabs").select("div.tab-content").select("div.menu-tagesplan").forEachIndexed { _, element ->
-            val day = element.select("h3").text()
-            for (i in 0 .. (element.select("div.row  h4").size - 1)) {
-                try {
-                    val heading = element.select("div.row  h4")[i].text()
-                    val parts = ArrayList<String>(element.select("div.row").select("div.menu-info")[i].html().substringBefore("<span").replace("<br>", "|").split("|"))
-                    val additives = element.select("div.row").select("div.menu-info")[i].select("span.show-with-allergenes").text()
-
-                    mealList.add(Meal(day, heading, parts, additives))
-                } catch (e: Exception) {
-                    // catch
-                }
-            }
-        }
-        return  mealList
-    }
-
-    /**
-     * return the mensa menu of a given day (Mon - Sat)
-     */
-    fun getMensaMenuDay(mealList: ArrayList<Meal>, day: Int): ArrayList<Meal> {
-        val dayMenus = ArrayList<Meal>()
-        val strDay: String = when (day) {
-            Calendar.MONDAY -> "Mon"
-            Calendar.TUESDAY -> "Die"
-            Calendar.WEDNESDAY -> "Mit"
-            Calendar.THURSDAY -> "Don"
-            Calendar.FRIDAY -> "Fre"
-            Calendar.SATURDAY -> "Sam"
-            else -> "TODAY"
-        }
-
-        for (meal in mealList) {
-            if (meal.day.contains(strDay))
-                dayMenus.add(meal)
-        }
-        return dayMenus
-    }
-}

app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/TimeTableParser.kt

@@ -1,94 +0,0 @@
-/**
- * ProjectLaogai
- *
- * Copyright 2018  <seil0@mosad.xyz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- *
- */
-
-package org.mosad.seil0.projectlaogai.hsoparser
-
-import org.jsoup.Jsoup
-
-class TimeTableParser {
-    private val days = arrayOf("Monday", "Tuesday" ,"Wednesday", "Thursday", "Friday", "Saturday")
-    private var courseTTLinkList = ArrayList<CourseTTLink>()
-    private var timeTableWeek = arrayOf<Array<Lesson>>()
-
-    init {
-        // create the timetable array
-        for (i in 0..5) {
-            var timeTableDay = arrayOf<Lesson>()
-            for (j in 0..5) {
-                timeTableDay += Lesson("", "","","")
-            }
-            timeTableWeek += timeTableDay
-        }
-    }
-
-    /**
-     * get the timetable from the given url
-     * the timetable is organised per row not per column;
-     * Mon 1, Tue 1, Wed 1, Thur 1, Fri 1, Sat 1, Mon 2 and so on
-     */
-    fun getTimeTable(courseTTURL: String): Array<Array<Lesson>> {
-        val scheduleHTML = Jsoup.connect(courseTTURL).get()
-
-        //val week = scheduleHTML.select("h1.timetable-caption").text()
-        //println("$week successful!\n")
-
-        scheduleHTML.select("table.timetable").select("td.lastcol").forEachIndexed { index, element ->
-            timeTableWeek[index % 6][index / 6] = Lesson(element.select("div.lesson-subject").text(), element.select("div.lesson-teacher").text(), element.select("div.lesson-room").text(), element.select("div.lesson-remark").text())
-        }
-
-        return timeTableWeek
-    }
-
-    /**
-     * parse all courses from the courses site at https://www.hs-offenburg.de/studium/vorlesungsplaene/
-     */
-    fun getCourseTTLinks(): ArrayList<CourseTTLink> {
-        val courseHTML = Jsoup.connect("https://www.hs-offenburg.de/studium/vorlesungsplaene/").get()
-
-        courseHTML.select("ul.index-group").select("li.Class").select("a[href]").forEachIndexed { _, element ->
-            courseTTLinkList.add(CourseTTLink(element.attr("href"),element.text()))
-        }
-        return courseTTLinkList
-    }
-
-
-    fun printTimeTableWeek (timeTableWeek: Array<Array<Lesson>>) {
-
-        for (j in 0..5) print(days[j].padEnd(25 ,' ') + " | ")
-        println()
-        for (j in 0..5) print("-".padEnd(26 + (j.toFloat().div(j).toInt()), '-') + "+")
-        println()
-
-        for (i in 0..5) {
-            for (j in 0..5) print(timeTableWeek[j][i].lessonSubject.padEnd(25 ,' ').substring(0,25) + " | ")
-            println()
-            for (j in 0..5) print(timeTableWeek[j][i].lessonTeacher.padEnd(25 ,' ').substring(0,25) + " | ")
-            println()
-            for (j in 0..5) print(timeTableWeek[j][i].lessonRoom.padEnd(25 ,' ').substring(0,25) + " | ")
-            println()
-            for (j in 0..5) print("-".padEnd(26 + (j.toFloat().div(j).toInt()), '-') + "+")
-            println()
-        }
-        println()
-    }
-
-}

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/DayCardView.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,32 +23,27 @@
 package org.mosad.seil0.projectlaogai.uicomponents
 
 import android.content.Context
-import android.util.AttributeSet
+import android.graphics.Color
 import android.widget.LinearLayout
-import android.widget.TextView
+import androidx.cardview.widget.CardView
+import kotlinx.android.synthetic.main.cardview_day.view.*
 import org.mosad.seil0.projectlaogai.R
 
-class MensaDayCardView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) : androidx.cardview.widget.CardView(context, attrs){
-
-    private var linLayoutMensaDay: LinearLayout
-    private var txtViewDayHeading: TextView
+class DayCardView(context: Context) : CardView(context) {
 
     init {
-        inflate(context, R.layout.mensaday_cardview,this)
-
-        linLayoutMensaDay = findViewById(R.id.linLayout_MensaDay)
-        txtViewDayHeading = findViewById(R.id.txtView_DayHeading)
+        inflate(context, R.layout.cardview_day,this)
 
         // workaround to prevent a white border
-        //this.setBackgroundColor(Color.TRANSPARENT)
+        this.setBackgroundColor(Color.TRANSPARENT)
     }
 
-    fun getLinLayoutMensaDay(): LinearLayout {
-        return linLayoutMensaDay
+    fun getLinLayoutDay() : LinearLayout {
+        return linLayout_Day
     }
 
     fun setDayHeading(heading: String) {
-        txtViewDayHeading.text = heading
+        txtView_DayHeading.text = heading
     }
 
 }

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/LessonLinearLayout.kt

@@ -1,7 +1,7 @@
 /**
  * ProjectLaogai
  *
- * Copyright 2018  <seil0@mosad.xyz>
+ * Copyright 2019  <seil0@mosad.xyz>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,31 +23,28 @@
 package org.mosad.seil0.projectlaogai.uicomponents
 
 import android.content.Context
-import android.graphics.Color
-import android.util.AttributeSet
-import android.widget.TextView
+import android.view.View
+import android.widget.LinearLayout
+import androidx.cardview.widget.CardView
+import kotlinx.android.synthetic.main.linearlayout_lesson.view.*
 import org.mosad.seil0.projectlaogai.R
+import org.mosad.seil0.projectlaogai.hsoparser.Lesson
 
-class LessonCardView  @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) : androidx.cardview.widget.CardView(context, attrs){
-
-    private var txtViewLesson: TextView
-    private var txtViewTime: TextView
+class LessonLinearLayout(context: Context?) : LinearLayout(context) {
 
     init {
-        inflate(context, R.layout.lesson_cardview,this)
-
-        txtViewLesson = findViewById(R.id.txtView_Lesson)
-        txtViewTime = findViewById(R.id.txtView_Time)
-
-        // workaround to prevent a white border
-        this.setBackgroundColor(Color.parseColor("#3F51B5"))
+        CardView.inflate(context, R.layout.linearlayout_lesson, this)
     }
 
-    fun getTxtViewLesson(): TextView {
-        return txtViewLesson
+    fun setLesson(lesson: Lesson, time: String) {
+        txtView_lessonTime.text = time
+        txtView_lessonSubject.text = lesson.lessonSubject
+        txtView_lessonTeacher.text = lesson.lessonTeacher
+        txtView_lessonRoom.text = lesson.lessonRoom
     }
 
-    fun getTxtViewTime(): TextView {
-        return txtViewTime
+    fun disableDivider() {
+        divider_lesson.visibility = View.GONE
     }
+
 }

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/MealLinearLayout.kt

@@ -0,0 +1,53 @@
+/**
+ * ProjectLaogai
+ *
+ * Copyright 2019  <seil0@mosad.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ */
+
+package org.mosad.seil0.projectlaogai.uicomponents
+
+import android.content.Context
+import android.view.View
+import android.widget.LinearLayout
+import androidx.cardview.widget.CardView
+import kotlinx.android.synthetic.main.linearlayout_meal.view.*
+import org.mosad.seil0.projectlaogai.R
+import org.mosad.seil0.projectlaogai.hsoparser.Meal
+
+class MealLinearLayout(context: Context?): LinearLayout(context) {
+
+    init {
+        CardView.inflate(context, R.layout.linearlayout_meal, this)
+    }
+
+    fun setMeal(meal: Meal) {
+        txtView_MealHeading.text = meal.heading
+
+        meal.parts.forEachIndexed { partIndex, part ->
+            txtView_Meal.append(part)
+            if(partIndex < (meal.parts.size - 1))
+                txtView_Meal.append("\n")
+        }
+    }
+
+    fun disableDivider() {
+        divider_meal.visibility = View.GONE
+    }
+
+}

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/MenuCardView.kt

@@ -1,31 +0,0 @@
-package org.mosad.seil0.projectlaogai.uicomponents
-
-import android.content.Context
-import android.graphics.Color
-import android.util.AttributeSet
-import android.widget.TextView
-import org.mosad.seil0.projectlaogai.R
-
-class MenuCardView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) : androidx.cardview.widget.CardView(context, attrs){
-
-    private var txtViewMenuHeading: TextView
-    private var txtViewMenu: TextView
-
-    init {
-        inflate(context, R.layout.menu_cardview,this)
-
-        txtViewMenuHeading = findViewById(R.id.txtView_MenuHeading)
-        txtViewMenu = findViewById(R.id.txtView_Menu)
-
-        // workaround to prevent a white border
-        this.setBackgroundColor(Color.TRANSPARENT)
-    }
-
-    fun setMenuHeading(heading: String) {
-        txtViewMenuHeading.text = heading
-    }
-
-    fun getTxtViewMenu(): TextView {
-        return txtViewMenu
-    }
-}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -1,34 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:aapt="http://schemas.android.com/aapt"
-        android:width="108dp"
-        android:height="108dp"
-        android:viewportHeight="108"
-        android:viewportWidth="108">
-    <path
-            android:fillType="evenOdd"
-            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
-            android:strokeColor="#00000000"
-            android:strokeWidth="1">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                    android:endX="78.5885"
-                    android:endY="90.9159"
-                    android:startX="48.7653"
-                    android:startY="61.0927"
-                    android:type="linear">
-                <item
-                        android:color="#44000000"
-                        android:offset="0.0"/>
-                <item
-                        android:color="#00000000"
-                        android:offset="1.0"/>
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-            android:fillColor="#FFFFFF"
-            android:fillType="nonZero"
-            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
-            android:strokeColor="#00000000"
-            android:strokeWidth="1"/>
-</vector>

app/src/main/res/drawable/background_splash.xml

@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item
-            android:drawable="@color/colorPrimary"/>
+    <item android:drawable="@color/colorPrimary"/>
 
-    <item>
+    <!--TODO when minAPI is 23 use this-->
+    <!--<item android:gravity="center" android:width="144dp" android:height="144dp">-->
+    <item android:gravity="center">
         <bitmap
-                android:gravity="center"
-                android:src="@drawable/ic_launcher"/>
+                android:gravity="fill_horizontal|fill_vertical"
+                android:src="@mipmap/ic_laogai_icon_splash"/>
     </item>
 
 </layer-list>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:height="108dp"
-        android:width="108dp"
-        android:viewportHeight="108"
-        android:viewportWidth="108">
-    <path android:fillColor="#008577"
-          android:pathData="M0,0h108v108h-108z"/>
-    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-</vector>

app/src/main/res/drawable/ic_local_dining_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M8.1,13.34l2.83,-2.83L3.91,3.5c-1.56,1.56 -1.56,4.09 0,5.66l4.19,4.18zM14.88,11.53c1.53,0.71 3.68,0.21 5.27,-1.38 1.91,-1.91 2.28,-4.65 0.81,-6.12 -1.46,-1.46 -4.2,-1.1 -6.12,0.81 -1.59,1.59 -2.09,3.74 -1.38,5.27L3.7,19.87l1.41,1.41L12,14.41l6.88,6.88 1.41,-1.41L13.41,13l1.47,-1.47z"/>
+</vector>

app/src/main/res/drawable/ic_menu_slideshow.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-            android:fillColor="#FF000000"
-            android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z"/>
-</vector>

app/src/main/res/drawable/ic_school_black_24dp.xml

@@ -5,5 +5,5 @@
         android:viewportHeight="24.0">
     <path
         android:fillColor="#FF000000"
-        android:pathData="M20,3L4,3v10c0,2.21 1.79,4 4,4h6c2.21,0 4,-1.79 4,-4v-3h2c1.11,0 2,-0.9 2,-2L22,5c0,-1.11 -0.89,-2 -2,-2zM20,8h-2L18,5h2v3zM4,19h16v2L4,21z"/>
+        android:pathData="M5,13.18v4L12,21l7,-3.82v-4L12,17l-7,-3.82zM12,3L1,9l11,6 9,-4.91V17h2V9L12,3z"/>
 </vector>

app/src/main/res/drawable/ic_settings_black_24dp.xml

@@ -1,9 +1,9 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
+        android:autoMirrored="true"
         android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z"/>
+        android:width="24dp"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+    <path android:fillColor="#FF000000"
+          android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z"/>
 </vector>

app/src/main/res/drawable/side_nav_bar.xml

@@ -2,8 +2,8 @@
        android:shape="rectangle">
     <gradient
             android:angle="135"
-            android:centerColor="@color/colorPrimary"
-            android:endColor="@color/colorPrimaryDark"
-            android:startColor="@color/colorPrimary"
+            android:centerColor="?colorPrimary"
+            android:endColor="?colorPrimaryDark"
+            android:startColor="?colorPrimary"
             android:type="linear"/>
 </shape>

app/src/main/res/layout/activity_main.xml

@@ -21,6 +21,7 @@
             android:layout_gravity="start"
             android:fitsSystemWindows="true"
             app:headerLayout="@layout/nav_header_main"
+            app:itemTextColor="?colorAccent"
             app:menu="@menu/activity_main_drawer"/>
 
 </androidx.drawerlayout.widget.DrawerLayout>

app/src/main/res/layout/app_bar_main.xml

@@ -20,7 +20,7 @@
                     android:id="@+id/toolbar"
                     android:layout_width="match_parent"
                     android:layout_height="?attr/actionBarSize"
-                    android:background="@color/design_default_color_primary"
+                    android:background="?colorPrimary"
                     app:popupTheme="@style/AppTheme.PopupOverlay"/>
 
         </com.google.android.material.appbar.AppBarLayout>

app/src/main/res/layout/cardview_day.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+                                   xmlns:app="http://schemas.android.com/apk/res-auto"
+                                   android:layout_width="match_parent"
+                                   android:layout_height="wrap_content" app:cardUseCompatPadding="true"
+                                   app:cardElevation="5dp" app:cardBackgroundColor="@color/themeSecondary"
+>
+
+    <LinearLayout
+            android:orientation="vertical"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" android:id="@+id/linLayout_Day">
+        <TextView
+                android:text="@string/sample_date"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" android:id="@+id/txtView_DayHeading" android:textSize="18sp"
+                android:textAlignment="center" android:textStyle="bold" android:textColor="?colorAccent"/>
+    </LinearLayout>
+</androidx.cardview.widget.CardView>

app/src/main/res/layout/fragment_home.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
-             xmlns:app="http://schemas.android.com/apk/res-auto"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              tools:context=".fragments.HomeFragment">
@@ -10,96 +9,14 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent">
 
-        <androidx.cardview.widget.CardView
-                android:id="@+id/cardView"
-                android:layout_width="0dp"
-                android:layout_height="125dp"
-                android:layout_marginStart="5dp"
-                android:layout_marginTop="5dp"
-                android:layout_marginEnd="5dp"
-                android:clickable="false"
-                android:maxHeight="125dp"
-                app:cardCornerRadius="15dp"
-                app:cardUseCompatPadding="true"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintHorizontal_bias="1.0"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent">
-
-            <LinearLayout
-                    android:orientation="vertical"
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent">
-                <TextView
-                        android:text="@string/meal_1"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content" android:id="@+id/txtView_Menu1Heading"
-                        android:textStyle="bold" android:textAlignment="center" android:textSize="16sp"
-                        android:typeface="sans" android:fontFamily="sans-serif" android:paddingBottom="5dp"/>
-                <TextView
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:fontFamily="sans-serif"
-                        android:textAlignment="center"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:typeface="sans" android:id="@+id/txtViewMenu1"/>
-            </LinearLayout>
-        </androidx.cardview.widget.CardView>
-
-        <androidx.cardview.widget.CardView
-                android:id="@+id/cardView2"
-                android:layout_width="0dp"
-                android:layout_height="125dp"
-                android:layout_marginStart="5dp"
-                android:layout_marginEnd="5dp"
-                app:cardCornerRadius="15dp"
-                app:cardUseCompatPadding="true"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintHorizontal_bias="1.0"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/cardView">
-
-            <LinearLayout
-                    android:orientation="vertical"
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent">
-                <TextView
-                        android:text="@string/meal_2"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content" android:id="@+id/txtView_Menu2Heading"
-                        android:textAlignment="center" android:textStyle="bold" android:textSize="16sp"
-                        android:typeface="sans" android:fontFamily="sans-serif" android:paddingBottom="5dp"/>
-                <TextView
-                        android:id="@+id/txtViewMenu2"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:fontFamily="sans-serif"
-                        android:textAlignment="center"
-                        android:textSize="16sp"
-                        android:textStyle="bold"
-                        android:typeface="sans"/>
-            </LinearLayout>
-        </androidx.cardview.widget.CardView>
         <ScrollView
-                android:layout_width="0dp"
-                android:layout_height="0dp"
-                app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/cardView2" android:id="@+id/scrollViewTimeTable"
-                android:background="@color/colorPrimary" android:paddingTop="6dp">
-
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
             <LinearLayout
-                    android:id="@+id/linLayoutTimeTable"
+                    android:orientation="vertical"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:orientation="vertical"
-                    app:layout_constraintBottom_toBottomOf="parent"
-                    app:layout_constraintEnd_toEndOf="parent"
-                    app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@+id/cardView2">
-
+                    android:id="@+id/linLayout_Home">
             </LinearLayout>
         </ScrollView>
 

app/src/main/res/layout/fragment_mensa.xml

@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools"
+             xmlns:tools="http://schemas.android.com/tools"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              tools:context=".fragments.MensaFragment">
 
-    <androidx.constraintlayout.widget.ConstraintLayout
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent">
+            android:layout_height="match_parent"
+            android:id="@+id/refreshLayout_Mensa">
 
         <ScrollView
                 android:layout_width="match_parent"
@@ -15,12 +16,12 @@
             <LinearLayout
                     android:orientation="vertical"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content" android:id="@+id/linLayout_MensaFragment"
-                    app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent"
-                    app:layout_constraintTop_toTopOf="parent"
-            >
-            </LinearLayout>
+                    android:layout_height="wrap_content"
+                    android:animateLayoutChanges="false"
+                    android:background="@color/themePrimary"
+                    android:id="@+id/linLayout_Mensa"/>
         </ScrollView>
-    </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
 
 </FrameLayout>

app/src/main/res/layout/fragment_moodle.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:tools="http://schemas.android.com/tools"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             tools:context=".fragments.MoodleFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <WebView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:id="@+id/webView"/>
+
+</FrameLayout>

app/src/main/res/layout/fragment_settings.xml

@@ -14,7 +14,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent" app:layout_constraintTop_toTopOf="parent"
                 app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent"
-        >
+                android:background="@android:color/background_light">
             <androidx.cardview.widget.CardView
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
@@ -30,7 +30,7 @@
                             android:layout_height="wrap_content" android:id="@+id/txtView_Info"
                             android:typeface="sans"
                             android:textSize="18sp" android:textStyle="bold" android:fontFamily="sans-serif"
-                            android:layout_margin="7dp" android:textColor="@color/colorPrimary"/>
+                            android:layout_margin="7dp" android:textColor="?colorAccent"/>
                     <LinearLayout
                             android:orientation="vertical"
                             android:layout_width="match_parent"
@@ -78,7 +78,7 @@
                             android:orientation="vertical"
                             android:layout_width="match_parent"
                             android:layout_height="match_parent" android:layout_margin="7dp"
-                            android:id="@+id/linLayout_Info">
+                            android:id="@+id/linLayout_About">
                         <TextView
                                 android:text="@string/about_txtView"
                                 android:layout_width="match_parent"
@@ -86,9 +86,9 @@
                                 android:textStyle="bold" android:textSize="16sp"
                                 android:textColor="@android:color/primary_text_light"/>
                         <TextView
-                                android:text="@string/version"
+                                android:text="@string/about_version"
                                 android:layout_width="match_parent"
-                                android:layout_height="wrap_content" android:id="@+id/txtView_Version"/>
+                                android:layout_height="wrap_content" android:id="@+id/txtView_AboutDesc"/>
                     </LinearLayout>
                 </LinearLayout>
             </androidx.cardview.widget.CardView>
@@ -100,20 +100,20 @@
                 <LinearLayout
                         android:orientation="vertical"
                         android:layout_width="match_parent"
-                        android:layout_height="wrap_content" android:id="@+id/linLayout_Settings">
+                        android:layout_height="wrap_content" android:id="@+id/linLayout_Settings" android:padding="7dp">
                     <TextView
                             android:text="@string/settings"
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content" android:id="@+id/txtView_Settings"
                             android:typeface="sans"
-                            android:textSize="18sp" android:textColor="@color/design_default_color_primary"
-                            android:textStyle="bold" android:layout_margin="7dp" android:paddingTop="3dp"/>
+                            android:textSize="18sp" android:textColor="?colorAccent"
+                            android:textStyle="bold" android:paddingTop="3dp"/>
                     <LinearLayout
                             android:orientation="horizontal"
                             android:layout_width="match_parent"
-                            android:layout_height="wrap_content" android:layout_margin="7dp"
+                            android:layout_height="wrap_content"
                             android:gravity="center_vertical|end"
-                            android:clickable="true" android:id="@+id/linLayout_MainColor" android:focusable="true">
+                            android:clickable="true" android:id="@+id/linLayout_PrimaryColor" android:focusable="true">
                         <LinearLayout
                                 android:orientation="vertical"
                                 android:layout_width="wrap_content"
@@ -125,7 +125,7 @@
                                     android:textSize="16sp" android:textStyle="bold"
                                     android:textColor="@android:color/primary_text_light"/>
                             <TextView
-                                    android:text="@string/main_color_desc"
+                                    android:text="@string/primary_color_desc"
                                     android:layout_width="match_parent"
                                     android:layout_height="wrap_content" android:id="@+id/txtView_PrimaryColorDesc"/>
                         </LinearLayout>
@@ -137,9 +137,47 @@
                             <View
                                     android:layout_width="40dp"
                                     android:layout_height="40dp" android:id="@+id/view_PrimaryColor"
-                                    android:background="@color/colorPrimary"/>
+                                    android:background="?colorPrimary"/>
                         </LinearLayout>
                     </LinearLayout>
+                    <LinearLayout
+                            android:orientation="horizontal"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:gravity="center_vertical|end"
+                            android:clickable="true" android:id="@+id/linLayout_AccentColor" android:focusable="true">
+                        <LinearLayout
+                                android:orientation="vertical"
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content">
+                            <TextView
+                                    android:text="@string/accent_color"
+                                    android:layout_width="match_parent"
+                                    android:layout_height="wrap_content" android:id="@+id/txtView_AccentColor"
+                                    android:textSize="16sp" android:textStyle="bold"
+                                    android:textColor="@android:color/primary_text_light"/>
+                            <TextView
+                                    android:text="@string/accent_color_desc"
+                                    android:layout_width="match_parent"
+                                    android:layout_height="wrap_content" android:id="@+id/txtView_AccentColorDesc"/>
+                        </LinearLayout>
+                        <LinearLayout
+                                android:orientation="vertical"
+                                android:layout_width="match_parent"
+                                android:layout_height="wrap_content" android:layout_margin="7dp"
+                                android:gravity="end">
+                            <View
+                                    android:layout_width="40dp"
+                                    android:layout_height="40dp" android:id="@+id/view_AccentColor"
+                                    android:background="?colorAccent"/>
+                        </LinearLayout>
+                    </LinearLayout>
+                    <Switch
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content" android:id="@+id/switch_buffet"
+                            android:textSize="16sp"
+                            android:textColor="@android:color/primary_text_light" android:textStyle="bold"
+                            android:text="@string/show_buffet"/>
                 </LinearLayout>
             </androidx.cardview.widget.CardView>
         </LinearLayout>

app/src/main/res/layout/fragment_timetable.xml

@@ -5,9 +5,10 @@
              android:layout_height="match_parent"
              tools:context=".fragments.TimeTableFragment">
 
-    <androidx.constraintlayout.widget.ConstraintLayout
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent">
+            android:layout_height="match_parent"
+            android:id="@+id/refreshLayout_Timetable">
 
         <ScrollView
                 android:layout_width="match_parent"
@@ -15,9 +16,10 @@
             <LinearLayout
                     android:orientation="vertical"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content" android:id="@+id/linLayout_TTFragment">
-            </LinearLayout>
+                    android:layout_height="wrap_content"
+                    android:animateLayoutChanges="false"
+                    android:background="@color/themePrimary"
+                    android:id="@+id/linLayout_Timetable"/>
         </ScrollView>
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 </FrameLayout>

app/src/main/res/layout/lesson_cardview.xml

@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.cardview.widget.CardView
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        app:cardBackgroundColor="@android:color/background_light"
-        app:contentPadding="5dp" app:cardElevation="5dp"
-        app:cardUseCompatPadding="true" app:cardPreventCornerOverlap="false" app:cardCornerRadius="12dp">
-
-    <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-        <TextView
-                android:id="@+id/txtView_Lesson"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/a_lesson"
-                android:textColor="@android:color/primary_text_light"
-                android:textSize="14sp"
-                android:textStyle="bold"
-                android:typeface="sans"/>
-
-        <TextView
-                android:id="@+id/txtView_Time"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="end"
-                android:text="@string/a_time"/>
-    </LinearLayout>
-
-</androidx.cardview.widget.CardView>

app/src/main/res/layout/linearlayout_lesson.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content" android:id="@+id/linLayout_lesson" android:padding="7dp">
+
+    <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+        <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/txtView_lessonSubject" android:layout_weight="1"
+                android:textSize="15sp" android:textColor="@color/textPrimary"/>
+        <TextView
+                android:text="@string/a_time"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/txtView_lessonTime" android:layout_weight="1"
+                android:textColor="@color/textSecondary" android:gravity="end"/>
+    </LinearLayout>
+    <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" android:id="@+id/txtView_lessonTeacher" android:textSize="15sp"
+            android:textColor="@color/textPrimary"/>
+    <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" android:id="@+id/txtView_lessonRoom"
+            android:textColor="@color/textPrimary"/>
+    <View
+            android:id="@+id/divider_lesson"
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?android:attr/listDivider"
+    />
+</LinearLayout>

app/src/main/res/layout/linearlayout_meal.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent" android:id="@+id/linLayout_Meal" android:padding="7dp">
+
+    <TextView
+            android:text="@string/meal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" android:id="@+id/txtView_MealHeading" android:textSize="18sp"
+            android:textColor="@color/textPrimary" android:textAlignment="center" android:paddingBottom="5dp"
+            android:textStyle="bold"/>
+    <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" android:id="@+id/txtView_Meal" android:textSize="15sp"
+            android:textColor="@color/textPrimary" android:textAlignment="center"/>
+    <View
+            android:id="@+id/divider_meal"
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?android:attr/listDivider"
+    />
+</LinearLayout>

app/src/main/res/layout/mensaday_cardview.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.cardview.widget.CardView
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="9dp"
-        app:cardElevation="5dp"
-        app:cardBackgroundColor="@color/colorMensaDay"
-        app:cardUseCompatPadding="true">
-
-    <LinearLayout
-            android:orientation="vertical"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" android:id="@+id/linLayout_MensaDay">
-        <TextView
-                android:text="@string/sample_date"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content" android:id="@+id/txtView_DayHeading" android:textAlignment="center"
-                android:textSize="20sp" android:textStyle="bold" android:typeface="sans" android:paddingBottom="5dp"/>
-    </LinearLayout>
-</androidx.cardview.widget.CardView>

app/src/main/res/layout/menu_cardview.xml

@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<androidx.cardview.widget.CardView
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:id="@+id/cardView"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="5dp"
-        android:layout_marginTop="5dp"
-        android:layout_marginEnd="5dp"
-        android:clickable="false"
-        android:maxHeight="125dp"
-        app:cardCornerRadius="15dp"
-        app:cardUseCompatPadding="true"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="1.0"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-    <LinearLayout
-            android:orientation="vertical"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent">
-        <TextView
-                android:text="@string/meal_1"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content" android:id="@+id/txtView_MenuHeading"
-                android:textStyle="bold" android:textAlignment="center" android:textSize="16sp"
-                android:typeface="sans" android:fontFamily="sans-serif" android:paddingBottom="5dp"/>
-        <TextView
-                android:id="@+id/txtView_Menu"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:fontFamily="sans-serif"
-                android:textAlignment="center"
-                android:textSize="16sp"
-                android:textStyle="bold"
-                android:typeface="sans"/>
-    </LinearLayout>
-
-</androidx.cardview.widget.CardView>

app/src/main/res/layout/nav_header_main.xml

@@ -4,20 +4,21 @@
         xmlns:app="http://schemas.android.com/apk/res-auto"
         android:layout_width="match_parent"
         android:layout_height="@dimen/nav_header_height"
-        android:background="@drawable/side_nav_bar"
+        android:background="@color/colorPrimary"
         android:paddingBottom="@dimen/activity_vertical_margin"
         android:paddingLeft="@dimen/activity_horizontal_margin"
         android:paddingRight="@dimen/activity_horizontal_margin"
         android:paddingTop="@dimen/activity_vertical_margin"
         android:theme="@style/ThemeOverlay.AppCompat.Dark"
         android:orientation="vertical"
-        android:gravity="bottom">
+        android:gravity="bottom"
+        android:id="@+id/nav_header_main">
 
     <ImageView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/nav_header_vertical_spacing"
-            app:srcCompat="@mipmap/ic_launcher_round"
+            app:srcCompat="@mipmap/ic_laogai_icon"
             android:contentDescription="@string/nav_header_desc"
             android:id="@+id/imageView"/>
 
@@ -26,7 +27,7 @@
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/nav_header_vertical_spacing"
             android:text="@string/nav_header_title"
-            android:textAppearance="@style/TextAppearance.AppCompat.Body1"/>
+            android:textAppearance="@style/TextAppearance.AppCompat.Body1" android:id="@+id/txtView_nav_header_title"/>
 
     <TextView
             android:layout_width="wrap_content"

app/src/main/res/menu/activity_main_drawer.xml

@@ -4,10 +4,13 @@
       tools:showIn="navigation_view">
 
     <group android:checkableBehavior="single">
-        <item android:id="@+id/nav_home" android:title="@string/home" android:icon="@drawable/ic_baseline_home_24dp"/>
+        <item
+                android:id="@+id/nav_home"
+                android:title="@string/home"
+                android:icon="@drawable/ic_baseline_home_24dp"/>
         <item
                 android:id="@+id/nav_mensa"
-                android:icon="@drawable/ic_free_breakfast_black_24dp"
+                android:icon="@drawable/ic_local_dining_black_24dp"
                 android:title="@string/mensa"/>
         <item
                 android:id="@+id/nav_timetable"
@@ -15,12 +18,8 @@
                 android:title="@string/timetable"/>
         <item
                 android:id="@+id/nav_moodle"
-                android:icon="@drawable/ic_menu_slideshow"
+                android:icon="@drawable/ic_school_black_24dp"
                 android:title="@string/moodle"/>
-        <item
-                android:id="@+id/nav_email"
-                android:icon="@android:drawable/ic_dialog_email"
-                android:title="@string/e_mail"/>
         <item
                 android:id="@+id/nav_settings"
                 android:icon="@drawable/ic_settings_black_24dp"

app/src/main/res/menu/main.xml

@@ -4,5 +4,5 @@
     <item android:id="@+id/action_settings"
           android:title="@string/settings"
           android:orderInCategory="100"
-          app:showAsAction="never"/>
+          app:showAsAction="never" android:visible="false"/>
 </menu>

app/src/main/res/mipmap-anydpi-v26/ic_laogai_icon.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background"/>
-    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
-</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background"/>
-    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
-</adaptive-icon>

app/src/main/res/values-de-rDE/strings.xml

@@ -4,25 +4,27 @@
     <string name="mensa">Mensa</string>
     <string name="timetable">Stundenplan</string>
     <string name="moodle">Moodle</string>
-    <string name="e_mail">E-Mail</string>
     <string name="settings">Einstellungen</string>
-    <string name="meal_1">Essen 1</string>
-    <string name="meal_2">Essen 2</string>
-    <string name="no_meal_today">heute keine Essensausgabe</string>
+    <string name="meal">Essen</string>
+    <string name="today_date">Heute, %1$s</string>
+    <string name="tomorrow_date">Morgen, %1$s</string>
+    <string name="mensa_closed">keine Essensausgabe</string>
     <string name="no_more_food">Diese Woche keine weitere Essensausgabe</string>
-    <string name="no_lesson_today">heute keine Vorlesung</string>
+    <string name="no_lesson_today">heute keine Vorlesung!</string>
     <string name="error">Fehler</string>
-    <string name="no_tt_error">Stundenplan konnte nicht geladen werden!</string>
-    <string name="gen_tt_error">Allgemeiner Stundenplan Fehler!"</string>
+    <string name="timetable_error">Stundenplan konnte nicht geladen werden!</string>
     <string name="info">Info</string>
     <string name="user">Benutzer</string>
     <string name="course_desc">Tippen, um den Kurs zu ändern</string>
-    <string name="primary_color">Primärfarbe</string>
-    <string name="main_color_desc">Die Primärfarbe, standard ist Indigo</string>
+    <string name="primary_color">Hauptfarbe</string>
+    <string name="primary_color_desc">Die Primärfarbe, Standard ist Schwarz.</string>
+    <string name="accent_color">Akzentfarbe</string>
+    <string name="accent_color_desc">Die Akzentfarbe, Standard ist indigo</string>
     <string name="select">auswählen</string>
-    <string name="about">über</string>
+    <string name="about_dialog_heading">Über</string>
     <string name="loading_timetable">lade Stundenplan …</string>
-    <string name="hello_blank_fragment">bald ™</string>
     <string name="navigation_drawer_close">Navigationsleiste schließen</string>
     <string name="navigation_drawer_open">Navigationsleiste öffnen</string>
-</resources>
+    <string name="show_buffet">Buffet immer anzeigen</string>
+    <string name="select_course">Wähle deinen Studiengang aus</string>
+</resources>

app/src/main/res/values/colors.xml

@@ -1,7 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">@color/design_default_color_primary</color>
-    <color name="colorPrimaryDark">@color/design_default_color_primary_dark</color>
-    <color name="colorAccent">#d81b60</color>
-    <color name="colorMensaDay">#ebe8e9</color>
+    <color name="colorPrimary">#000000</color>
+    <color name="colorPrimaryDark">#000000</color>
+    <color name="colorAccent">#3F51B5</color>
+    <color name="ic_launcher_background">#FFFFFF</color>
+
+    <color name="themePrimary">#FFFFFF</color>
+    <color name="themeSecondary">#FFFFFF</color>
+    <color name="themeTertiary">#FAFAFA</color> <!-- TODO find a better color -->
+
+    <color name="textPrimary">#000000</color>
+    <color name="textSecondary">#818181</color>
+
+    <!--theme color section, not the working colors-->
+    <color name="textPrimaryDark">#FFFFFF</color>
+    <color name="textSecondaryDark">#E0E0E0</color>
+    <color name="textPrimaryLight">#000000</color>
+    <color name="textSecondaryLight">#818181</color>
+
+    <color name="themePrimaryDark">#000000</color>
+    <color name="themeSecondaryDark">#303030</color>
+    <color name="themeTertiaryDark">#424242</color>
+
+    <color name="themePrimaryLight">#FFFFFF</color>
+    <color name="themeSecondaryLight">#FFFFFF</color>
+    <color name="themeTertiaryLight">#424242</color> <!-- TODO find a better color -->
+
 </resources>

app/src/main/res/values/dimens.xml

@@ -4,5 +4,4 @@
     <dimen name="activity_vertical_margin">16dp</dimen>
     <dimen name="nav_header_vertical_spacing">8dp</dimen>
     <dimen name="nav_header_height">176dp</dimen>
-    <dimen name="fab_margin">16dp</dimen>
 </resources>

app/src/main/res/values/strings.xml

@@ -2,7 +2,7 @@
     <string name="app_name" translatable="false">Project Laogai</string>
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">Close navigation drawer</string>
-    <string name="nav_header_title" translatable="false">hso App 0.2.1</string>
+    <string name="nav_header_title" translatable="false">Project Laogai</string>
     <string name="nav_header_subtitle" translatable="false">seil0@mosad.xyz</string>
     <string name="nav_header_desc" translatable="false">Project Laogai</string>
 
@@ -10,41 +10,46 @@
     <string name="mensa">Mensa</string>
     <string name="timetable">Timetable</string>
     <string name="moodle">Moodle</string>
-    <string name="e_mail">E-Mail</string>
     <string name="settings">Settings</string>
 
-    <string name="meal_1">Meal 1</string>
-    <string name="meal_2">Meal 2</string>
-    <string name="no_meal_today">Mensa closed today</string>
+    <string name="meal">Meal</string>
+    <string name="today_date">Today, %1$s</string>
+    <string name="tomorrow_date">Tomorrow, %1$s</string>
+    <string name="mensa_closed">the Mensa is closed</string>
     <string name="no_more_food">No more Food this week</string>
 
-    <string name="no_lesson_today">"no lecture today "</string>
+    <string name="no_lesson_today">"No lecture today!"</string>
     <string name="error">Error</string>
-    <string name="no_tt_error">Could not load timetable!"</string>
-    <string name="gen_tt_error">There was an error with the timetable!"</string>
+    <string name="timetable_error">Could not load timetable!"</string>
 
     <string name="sample_user" translatable="false">SampleUser@stud.hs-offenburg.de</string>
     <string name="sample_course" translatable="false">SampleCourse 3</string>
     <string name="sample_date" translatable="false">Montag, 30.02</string>
-    <string name="a_lesson" translatable="false">a lesson\na teacher\na room</string>
     <string name="a_time" translatable="false">0.00 – 23.59</string>
 
     <string name="info">Info</string>
     <string name="user">User</string>
     <string name="course_desc">Tap to change course</string>
+    <string name="select_course">Select your course</string>
     <string name="primary_color">primary color</string>
-    <string name="main_color_desc">The primary color, default is indigo</string>
+    <string name="primary_color_desc">The primary color, default is black.</string>
+    <string name="accent_color">accent color</string>
+    <string name="accent_color_desc">The accent color, default is indigo.</string>
+    <string name="show_buffet">always show buffet</string>
     <string name="select">select</string>
-    <string name="version" translatable="false">version 0.2.1</string>
-    <string name="about">about</string>
     <string name="about_txtView" translatable="false">hso App by @Seil0</string>
-    <string name="about_text" translatable="false">"This software is made by @Seil0 and is published under the terms and conditions of GPL 3. For further information visit \ngit.mosad.xyz/Seil0/ProjectLaogai \n\n© 2018 seil0@mosad.xyz "</string>
+    <string name="about_version" translatable="false">version %1$s (%2$s)</string>
+    <string name="about_dialog_heading">About</string>
+    <string name="about_dialog_text" translatable="false">"This software is made by @Seil0 and is published under the terms and conditions of GPL 3. For further information visit \ngit.mosad.xyz/Seil0/ProjectLaogai \n\n© 2018-2019 seil0@mosad.xyz "</string>
     <string name="loading_timetable">loading timetable …</string>
 
-
-    <string name="hello_blank_fragment">soon ™</string>
-    <string name="string_new_line" translatable="false">%1$s\n</string>
-
     <string name="save_key_course" translatable="false">org.mosad.seil0.projectlaogai.course</string>
     <string name="save_key_courseTTLink" translatable="false">org.mosad.seil0.projectlaogai.courseTTLink</string>
+    <string name="save_key_colorPrimary" translatable="false">org.mosad.seil0.projectlaogai.colorPrimary</string>
+    <string name="save_key_colorAccent" translatable="false">org.mosad.seil0.projectlaogai.colorAccent</string>
+    <string name="save_key_showBuffet" translatable="false">org.mosad.seil0.projectlaogai.showBuffet</string>
+    <string name="save_key_coursesCacheTime" translatable="false">org.mosad.seil0.projectlaogai.coursesCacheTime</string>
+    <string name="save_key_mensaCacheTime" translatable="false">org.mosad.seil0.projectlaogai.mensaCacheTime</string>
+    <string name="save_key_timetableCacheTime" translatable="false">org.mosad.seil0.projectlaogai.timetableCacheTime</string>
+
 </resources>

app/src/main/res/xml/backup_descriptor.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <full-backup-content>
-    <!-- Exclude specific shared preferences that contain GCM registration Id -->
+    <exclude domain="file" path="mensa.json"/>
+    <exclude domain="file" path="courses.json"/>
 </full-backup-content>

build.gradle

@@ -1,13 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.0'
+    ext.kotlin_version = '1.3.31'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.4.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
@@ -19,7 +19,6 @@ allprojects {
     repositories {
         google()
         jcenter()
-        maven { url "https://dl.bintray.com/drummer-aidan/maven/" }
     }
 }
 

fastlane/metadata/android/de/full_description.txt

@@ -0,0 +1,7 @@
+ProjectLaogai ist eine App um den Stundenplan und das Mensa-Essen der Hochschule Offenburg anzuzeigen.
+
+Features:
+* schaue was es diese und nächste WOche in der Mensa zu Essen gibt
+* schaue dir deinen Stundenplan an
+* öffne moodle direkt in der App
+* viele lustige Bugs

fastlane/metadata/android/de/short_description.txt

@@ -0,0 +1 @@
+eine App für die Hochschule Offenburg

fastlane/metadata/android/en-US/full_description.txt

@@ -0,0 +1,7 @@
+ProjectLaogai is an app to access the timetable and the mensa menu of Hochschule Offenburg.
+
+Features:
+* check out the mensa menu of this and next week
+* access your timetable
+* open moodle
+* probably some funny bugs 

fastlane/metadata/android/en-US/short_description.txt

@@ -0,0 +1 @@
+an app for the Hochschule Offenburg

fastlane/metadata/android/en-US/title.txt

@@ -0,0 +1 @@
+ProjectLaogai 

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Thu Apr 25 17:58:09 WEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip