/** * ProjectLaogai * * Copyright 2019-2020 * * 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 import android.content.Intent import android.graphics.Color import android.os.Bundle import android.view.View import android.widget.EditText import android.widget.LinearLayout import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import androidx.core.text.HtmlCompat import androidx.viewpager.widget.ViewPager import com.afollestad.materialdialogs.callbacks.onDismiss import kotlinx.android.synthetic.main.activity_onboarding.* import org.mosad.seil0.projectlaogai.controller.preferences.EncryptedPreferences import org.mosad.seil0.projectlaogai.fragments.SettingsFragment import org.mosad.seil0.projectlaogai.onboarding.ViewPagerAdapter class OnboardingActivity : AppCompatActivity() { companion object { val layouts = intArrayOf(R.layout.fragment_on_welcome, R.layout.fragment_on_course, R.layout.fragment_on_login) } private lateinit var viewPager: ViewPager private lateinit var viewPagerAdapter: ViewPagerAdapter private lateinit var linLayoutDots: LinearLayout private lateinit var dots: Array private lateinit var editTextEmail: EditText private lateinit var editTextPassword: EditText override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_onboarding) viewPager = findViewById(R.id.viewPager) linLayoutDots = findViewById(R.id.linLayout_Dots) addBottomDots(0) viewPagerAdapter = ViewPagerAdapter(this) viewPager.adapter = viewPagerAdapter viewPager.addOnPageChangeListener(viewPagerPageChangeListener) // we don't use the skip button, instead we use the start button to skip the last fragment btn_Skip.visibility = View.GONE } fun btnNextClick(@Suppress("UNUSED_PARAMETER")v: View) { if (viewPager.currentItem < layouts.size - 1) { viewPager.currentItem++ } else { launchHomeScreen() } } fun btnSkipClick(@Suppress("UNUSED_PARAMETER")v: View) { launchHomeScreen() } fun btnSelectCourseClick(@Suppress("UNUSED_PARAMETER")v: View) { SettingsFragment().selectCourse(this).show { onDismiss { btnNextClick(v) // show the next fragment } } } fun btnLoginClick(@Suppress("UNUSED_PARAMETER")v: View) { editTextEmail = findViewById(R.id.editText_email) editTextPassword = findViewById(R.id.editText_password) // get login credentials from gui val email = editTextEmail.text.toString() val password = editTextPassword.text.toString() // save the credentials EncryptedPreferences.saveCredentials(email, password, this) launchHomeScreen() } private fun addBottomDots(currentPage: Int) { dots = Array(layouts.size) { TextView(this) } linLayoutDots.removeAllViews() dots.forEach { it.text = HtmlCompat.fromHtml("•", HtmlCompat.FROM_HTML_MODE_LEGACY) it.textSize = 35f it.setTextColor(Color.parseColor("#cccccc")) linLayoutDots.addView(it) } if (dots.isNotEmpty()) dots[currentPage].setTextColor(Color.parseColor("#000000")) } private fun launchHomeScreen() { startActivity(Intent(this, MainActivity::class.java)) finish() } private var viewPagerPageChangeListener: ViewPager.OnPageChangeListener = object : ViewPager.OnPageChangeListener { override fun onPageSelected(position: Int) { addBottomDots(position) // changing the next button text to skip for the login fragment if (position == layouts.size - 1) { btn_Next.text = getString(R.string.skip) btn_Next.visibility = View.VISIBLE btn_Skip.visibility = View.GONE } else { btn_Next.visibility = View.GONE btn_Skip.visibility = View.GONE } } override fun onPageScrolled(arg0: Int, arg1: Float, arg2: Int) {} override fun onPageScrollStateChanged(arg0: Int) {} } }