java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setVisibility(int)' on a null object reference

Stack Overflow | Maclaren | 7 months ago
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    Android chathead floating activity

    Stack Overflow | 7 months ago | Maclaren
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setVisibility(int)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.view.View.setVisibility(int)' on a null object reference

      at com.some.package.BubbleOverlay.hide()
    2. com.some.package
      BubbleService$5.run
      1. com.some.package.BubbleOverlay.hide(BubbleOverlay.java:34)
      2. com.some.package.BubbleService$5.run(BubbleService.java:170)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:751)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:154)
      4. android.app.ActivityThread.main(ActivityThread.java:6044)
      4 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
      2 frames