Replace ObjectAnimator with real MediaPlayer position

app/src/main/java/de/mlte/soundboard/MainActivity.kt

@@ -1,27 +1,43 @@
 package de.mlte.soundboard
 
 import android.animation.ObjectAnimator
+import android.media.MediaPlayer
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.widget.ProgressBar
 import android.widget.TextView
+import java.util.*
+import kotlin.concurrent.timerTask
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
+        val mp = MediaPlayer.create(this, R.raw.tusch)
         val progressBar = findViewById<ProgressBar>(R.id.progress_bar)
-        val objectAnimator = ObjectAnimator.ofInt(progressBar, "progress", progressBar.getProgress(), 100).setDuration(2000)
-        val btn = findViewById<TextView>(R.id.text_view_button)
 
-        objectAnimator.addUpdateListener({ valueAnimator ->
-            val progress = valueAnimator.animatedValue as Int
-            progressBar.progress = progress
-        })
+        var timer = Timer()
+
+        mp.setOnCompletionListener {
+            timer.cancel()
+            progressBar.progress = 0
+        }
+
+        val timerTask = timerTask {
+            runOnUiThread {
+                progressBar.progress = mp.currentPosition
+                println(mp.currentPosition)
+            }
+        }
 
+        val btn = findViewById<TextView>(R.id.text_view_button)
         btn.setOnClickListener {
-            objectAnimator.start()
+            mp.start()
+            progressBar.max = mp.duration
+            timer.cancel()
+            timer = Timer()
+            timer.schedule(timerTask, 40, 40)
         }
     }
-}
+}