java.lang.RuntimeException: Unable to pause activity {com.music.track/com.music.track.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.media.MediaPlayer.isPlaying()' on a null object reference

Stack Overflow | Devansh | 6 months ago
  1. 0

    onPause() crashes when calling mediaplayer.isPlaying()

    Stack Overflow | 6 months ago | Devansh
    java.lang.RuntimeException: Unable to pause activity {com.music.track/com.music.track.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.media.MediaPlayer.isPlaying()' on a null object reference
  2. 0
    The resource was accessed after it was dismissed.
  3. 0
    The parsed JSON does not contains the requested field.
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  5. 0

    What am I doing wrong with the MediaPlayer in android app

    Stack Overflow | 1 month ago | Tom1
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.media.MediaPlayer.isPlaying()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'boolean android.media.MediaPlayer.isPlaying()' on a null object reference

      at com.music.track.MainActivity.onPause()
    2. com.music.track
      MainActivity.onPause
      1. com.music.track.MainActivity.onPause(MainActivity.java:186)
      1 frame
    3. Android Platform
      ActivityThread.performPauseActivity
      1. android.app.Activity.performPause(Activity.java:6397)
      2. android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1380)
      3. android.app.ActivityThread.performPauseActivity(ActivityThread.java:3435)
      3 frames