diff --git a/app/src/main/java/org/mosad/seil0/projectlaogai/fragments/TimeTableFragment.kt b/app/src/main/java/org/mosad/seil0/projectlaogai/fragments/TimeTableFragment.kt
index c06d7a0..910a500 100644
--- a/app/src/main/java/org/mosad/seil0/projectlaogai/fragments/TimeTableFragment.kt
+++ b/app/src/main/java/org/mosad/seil0/projectlaogai/fragments/TimeTableFragment.kt
@@ -26,10 +26,16 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.AdapterView.OnItemSelectedListener
 import android.widget.ScrollView
+import android.widget.Spinner
 import androidx.fragment.app.Fragment
 import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.bottomsheets.BottomSheet
+import com.afollestad.materialdialogs.bottomsheets.setPeekHeight
+import com.afollestad.materialdialogs.customview.customView
+import com.afollestad.materialdialogs.customview.getCustomView
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import kotlinx.android.synthetic.main.fragment_timetable.*
 import kotlinx.coroutines.*
@@ -82,10 +88,7 @@ class TimeTableFragment : Fragment() {
             }
 
             faBtnAddLesson.setOnClickListener {
-                MaterialDialog(context!!, BottomSheet())
-                    .title(text = resources.getString(R.string.add_lesson))
-                    .message(text = "wähle einen Studiengang aus:\n\nWähle eine Vorlesung aus: \n\nDiese Funktion ist noch nicht verfügbar")
-                    .show()
+                initAddLessonDialog().show()
             }
 
             // hide the btnCardValue if the user is scrolling down
@@ -160,4 +163,43 @@ class TimeTableFragment : Fragment() {
         }
     }
 
+    // TODO move to separate class
+    private fun initAddLessonDialog(): MaterialDialog {
+        val dialog = MaterialDialog(context!!, BottomSheet())
+            .title(R.string.add_lesson)
+            .message(R.string.add_lesson_desc)
+            .customView(R.layout.dialog_add_lesson)
+            .setPeekHeight(900)
+            .positiveButton(R.string.add) {
+                println("add course")
+            }
+            .negativeButton(R.string.cancel) {  }
+
+        val spinnerCourses: Spinner = dialog.getCustomView().findViewById(R.id.spinner_Courses)
+        val spinnerLessons: Spinner = dialog.getCustomView().findViewById(R.id.spinner_Lessons)
+
+        spinnerCourses.onItemSelectedListener = object : OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>, view: View, pos: Int, id: Long) {
+                println(parent.getItemAtPosition(pos))
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>) {
+                // Another interface callback
+            }
+        }
+
+        spinnerLessons.onItemSelectedListener = object : OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>, view: View, pos: Int, id: Long) {
+                println(parent.getItemAtPosition(pos))
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>) {
+                // Another interface callback
+            }
+
+        }
+
+        return dialog
+    }
+
 }
diff --git a/app/src/main/res/layouts/dialogs/layout/dialog_add_lesson.xml b/app/src/main/res/layouts/dialogs/layout/dialog_add_lesson.xml
index ae3a6e5..b058e18 100644
--- a/app/src/main/res/layouts/dialogs/layout/dialog_add_lesson.xml
+++ b/app/src/main/res/layouts/dialogs/layout/dialog_add_lesson.xml
@@ -3,6 +3,40 @@
         android:id="@+id/linLayout_addlesson"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        android:paddingStart="24dp"
+        android:paddingEnd="24dp">
 
+    <TextView
+            android:id="@+id/txtView_Course"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="7dp"
+            android:text="@string/courses"
+            android:textSize="16sp" />
+
+    <Spinner
+            android:id="@+id/spinner_Courses"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:entries="@array/courses"
+            android:paddingBottom="10dp"
+            android:popupBackground="?themeSecondary"
+            android:spinnerMode="dropdown" />
+
+    <TextView
+            android:id="@+id/txtView_Lesson"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="7dp"
+            android:text="@string/lessons"
+            android:textSize="16sp" />
+
+    <Spinner
+            android:id="@+id/spinner_Lessons"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:entries="@array/lessons"
+            android:paddingBottom="10dp"
+            android:popupBackground="?themeSecondary" />
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-de-rDE/strings.xml b/app/src/main/res/values-de-rDE/strings.xml
index 4766dfe..f865486 100644
--- a/app/src/main/res/values-de-rDE/strings.xml
+++ b/app/src/main/res/values-de-rDE/strings.xml
@@ -34,6 +34,9 @@
 
     <!-- fragment_timetable -->
     <string name="add_lesson">Eine Vorlesung hinzufügen</string>
+    <string name="add_lesson_desc">Füge eine Vorlesung eines anderen Studiengangs zu deinem Stundenplan hinzu.</string>
+    <string name="courses">Studiengänge:</string>
+    <string name="lessons">Vorlesungen:</string>
 
     <!-- fragment_settings -->
     <string name="info">Info</string>
@@ -54,6 +57,8 @@
     <!-- dialogs -->
     <string name="select_course">Wähle deinen Studiengang</string>
     <string name="loading_timetable">lade Stundenplan …</string>
+    <string name="add">hinzufügen</string>
+    <string name="cancel">abbrechen</string>
     <string name="select">auswählen</string>
     <string name="close">schließen</string>
     <string name="mensa_credit">Mensa-Guthaben</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0a293d9..056a5d0 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -36,6 +36,9 @@
 
     <!-- fragment_timetable -->
     <string name="add_lesson">Add a lesson</string>
+    <string name="add_lesson_desc">Add a lesson from another course to your timetable.</string>
+    <string name="courses">Courses:</string>
+    <string name="lessons">Lessons:</string>
 
     <!-- fragment_settings -->
     <string name="info">Info</string>
@@ -59,13 +62,14 @@
     <!-- dialogs -->
     <string name="select_course">Select your course</string>
     <string name="loading_timetable">loading timetable …</string>
+    <string name="add">add</string>
+    <string name="cancel">@android:string/cancel</string>
     <string name="select">select</string>
     <string name="close">close</string>
     <string name="mensa_credit">Mensa credit</string>
     <string name="mensa_current">current: %1$s\n</string>
     <string name="mensa_last">last: %1$s</string>
 
-
     <!-- sample strings -->
     <string name="sample_user" translatable="false">spinefield@stud.hs-offenburg.de</string>
     <string name="sample_course" translatable="false">SampleCourse 3</string>
@@ -100,4 +104,21 @@
     <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>
 
+
+    <string-array name="courses">
+        <item>AI-1</item>
+        <item>AI-2</item>
+        <item>AI-3</item>
+        <item>AI-4</item>
+        <item>AI-5</item>
+        <item>AI-6</item>
+    </string-array>
+
+    <string-array name="lessons">
+        <item>Mathematik</item>
+        <item>Verteilte Systemr</item>
+        <item>EA 1</item>
+        <item>IT Security</item>
+    </string-array>
+
 </resources>