How to solve NullPointerException error in Android?

by

NullPointerException means that mp is null. This means the MediaPlayer.create() failed. Does R.raw.alarm exist?

More Related Contents:

  1. Android – How To Override the “Back” button so it doesn’t Finish() my Activity?
  2. Android MediaPlayer works fine in Custom audio Streaming application up to Android 2.1 but not in higher versions
  3. Play audio file from the assets directory
  4. Media Player called in state 0, error (-38,0)
  5. Android startCamera gives me null Intent and … does it destroy my global variable?
  6. Android – NullPointerException on SearchView in Action Bar
  7. Getting access to media player cache
  8. My current location always returns null. How can I fix this?
  9. Simple mediaplayer play mp3 from file path?
  10. Play sound on button click android
  11. getActionBar() returns Null (AppCompat-v7 21)
  12. SeekBar and media player in android
  13. Why does it take so long for Android’s MediaPlayer to prepare some live streams for playback?
  14. Doze mode and foreground service
  15. Why getApplicationContext() in constructor of Activity throws null pointer exception?
  16. java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1888, result=0, data=null} to activity
  17. Android MediaPlayer Problems :”Error (-38 , 0) ” and “stop called in state 1”
  18. Android SDK Content Loader failing with NullPointerException
  19. SQLiteDatabase close() function causing NullPointerException when multiple threads
  20. How to play multiple video files simultaneously in one layout side by side in different view in Android
  21. Why MediaPlayer throws NOT present error when creating instance of it?
  22. Streaming Audio from A URL in Android using MediaPlayer?
  23. Why Kotlin data classes can have nulls in non-nullable fields with Gson?
  24. NullPointer on toLowerCase but I don’t use that method anywhere
  25. How to add a SearchWidget to the ActionBar?
  26. How to play audio continuously while orientation changes in Android?
  27. Photo capture Intent causes NullPointerException on Samsung phones only
  28. Android MediaPlayer.Create() returns null
  29. Streaming Youtube Videos
  30. MediaPlayer setDataSource failed with status=0x80000000 for Ringtone set by filepath on 2.3.4

Leave a Comment