java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference

Stack Overflow | lugiank | 10 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference

    at android.graphics.Bitmap.createScaledBitmap()
  2. Android Platform
    Bitmap.createScaledBitmap
    1. android.graphics.Bitmap.createScaledBitmap(Bitmap.java:658)
    1 frame
  3. wear.trombettonj.prova2
    AnalogWatchface$Engine.onSurfaceChanged
    1. wear.trombettonj.prova2.AnalogWatchface$Engine.onSurfaceChanged(AnalogWatchface.java:126)
    1 frame
  4. Android Platform
    WallpaperService$IWallpaperEngineWrapper.executeMessage
    1. android.service.wallpaper.WallpaperService$Engine.updateSurface(WallpaperService.java:770)
    2. android.service.wallpaper.WallpaperService$Engine.attach(WallpaperService.java:878)
    3. android.service.wallpaper.WallpaperService$IWallpaperEngineWrapper.executeMessage(WallpaperService.java:1165)
    3 frames
  5. Android
    HandlerCaller$MyHandler.handleMessage
    1. com.android.internal.os.HandlerCaller$MyHandler.handleMessage(HandlerCaller.java:37)
    1 frame
  6. Android Platform
    ActivityThread.main
    1. android.os.Handler.dispatchMessage(Handler.java:102)
    2. android.os.Looper.loop(Looper.java:154)
    3. android.app.ActivityThread.main(ActivityThread.java:5974)
    3 frames
  7. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  8. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:801)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:691)
    2 frames