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

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Solutions on the web45353

  • 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
  • via GitHub by liaxim
    , 1 year ago
    Unable to pause activity {org.gearvrf.GVRWidgetViewer/org.gearvrf.widgetViewer.GVRWidgetViewer}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.badlogic.gdx.backends.android.AndroidGraphics.isContinuousRendering()' on a null object reference
  • via Stack Overflow by Unknown author, 1 year ago
    Unable to pause activity {com.klangstudios.fakecall/com.klangstudios.fakecall.CallScreen}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.os.PowerManager$WakeLock.isHeld()' on a null object reference
  • Stack trace

    • 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 at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3454) at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3408) at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:3383) at android.app.ActivityThread.access$1100(ActivityThread.java:154) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1391) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:152) at android.app.ActivityThread.main(ActivityThread.java:5497) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.media.MediaPlayer.isPlaying()' on a null object reference at com.music.track.MainActivity.onPause(MainActivity.java:186) at android.app.Activity.performPause(Activity.java:6397) at android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1380) at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3435)

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