populating the spinner

Author: appleobject

app/src/main/java/com/appleobject/notekeeper/MainActivity.kt

@@ -1,12 +1,13 @@
 package com.appleobject.notekeeper
 
 import android.os.Bundle
-import com.google.android.material.floatingactionbutton.FloatingActionButton
-import com.google.android.material.snackbar.Snackbar
+
 import androidx.appcompat.app.AppCompatActivity
 import android.view.Menu
 import android.view.MenuItem
-import kotlinx.android.synthetic.main.activity_main.*
+import android.widget.ArrayAdapter
+import com.appleobject.notekeeper.model.CourseInfo
+import com.appleobject.notekeeper.model.DataManager
 import kotlinx.android.synthetic.main.content_main.*
 
 class MainActivity : AppCompatActivity() {
@@ -16,6 +17,12 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
         setSupportActionBar(findViewById(R.id.toolbar))
 
+        val dm = DataManager()
+        val adapterCourses = ArrayAdapter<CourseInfo>(this,
+            android.R.layout.simple_spinner_item, dm.courses.values.toList())
+        adapterCourses.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
+        spinnerCourses.adapter = adapterCourses
+
     }
 
 

app/src/main/java/com/appleobject/notekeeper/model/DataManager.kt

@@ -4,6 +4,10 @@ class DataManager {
     val courses = HashMap<String, CourseInfo>()
     val notes = ArrayList<NoteInfo>()
 
+    init {
+        initializeCourses()
+    }
+
     private fun initializeCourses(){
         var course = CourseInfo("android_intents", "Android Programming using Intents")
         courses.set(course.courseId, course)

app/src/main/java/com/appleobject/notekeeper/model/NoteKeeperData.kt

@@ -1,5 +1,9 @@
 package com.appleobject.notekeeper.model
 
-class CourseInfo(val courseId: String, val title: String)
+class CourseInfo(val courseId: String, val title: String) {
+    override fun toString(): String {
+        return title
+    }
+}
 
 class NoteInfo(var course: CourseInfo, var title: String, var text: String)