java.lang.NullPointerException: Attempt to invoke virtual method 'void android.hardware.Camera.takePicture(android.hardware.Camera$ShutterCallback, android.hardware.Camera$PictureCallback, android.hardware.Camera$PictureCallback)' on a null object reference

Stack Overflow | user138468 | 7 months ago
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    null reference on picturecallback inside a fragment

    Stack Overflow | 7 months ago | user138468
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.hardware.Camera.takePicture(android.hardware.Camera$ShutterCallback, android.hardware.Camera$PictureCallback, android.hardware.Camera$PictureCallback)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.hardware.Camera.takePicture(android.hardware.Camera$ShutterCallback, android.hardware.Camera$PictureCallback, android.hardware.Camera$PictureCallback)' on a null object reference

      at com.mytodo.SecondTab.capturePicture()
    2. com.mytodo
      SecondTab$2.onClick
      1. com.mytodo.SecondTab.capturePicture(SecondTab.java:78)
      2. com.mytodo.SecondTab$2.onClick(SecondTab.java:62)
      2 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:4789)
      2. android.view.View$PerformClick.run(View.java:19881)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:135)
      6. android.app.ActivityThread.main(ActivityThread.java:5294)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
      2 frames