java.lang.RuntimeException: Unable to start activity ComponentInfo{}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

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Root Cause Analysis

  1. java.lang.RuntimeException

    Unable to start activity ComponentInfo{}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

    at android.app.ActivityThread.performLaunchActivity()
  2. Android Platform
    ActivityThread.main
    1. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2316)
    2. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2376)
    3. android.app.ActivityThread.access$800(ActivityThread.java:147)
    4. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1281)
    5. android.os.Handler.dispatchMessage(Handler.java:102)
    6. android.os.Looper.loop(Looper.java:135)
    7. android.app.ActivityThread.main(ActivityThread.java:5253)
    7 frames
  3. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:372)
    2 frames
  4. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
    2 frames