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

GitHub | jasonni | 9 months ago
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  1. 0

    NullPointerException when SimpleClickListener.onInterceptTouchEvent

    GitHub | 9 months ago | jasonni
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setPressed(boolean)' on a null object reference
  2. 0

    java.lang.NullPointerException in Wifi enabling code

    Stack Overflow | 3 years ago | user59053
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference 01-01 22:53:40.994: W/System.err(13438): at com.wifiTest.TurnOnWIfiTestAction.turnOnWifi(TurnOnWIfiTestAction.java:18) 01-01 22:53:40.994: W/System.err(13438): at com.post.l_upgrade.MainActivity.wifienable(MainActivity.java:46) 01-01 22:53:40.994: W/System.err(13438): at java.lang.reflect.Method.invoke(Native Method) 01-01 22:53:40.994: W/System.err(13438): at java.lang.reflect.Method.invoke(Method.java:372) 01-01 22:53:40.994: W/System.err(13438): at android.view.View$1.onClick(View.java:3986) 01-01 22:53:41.000: W/System.err(13438): at android.view.View.performClick(View.java:4728) 01-01 22:53:41.000: W/System.err(13438): at android.view.View$PerformClick.run(View.java:19508) 01-01 22:53:41.000: W/System.err(13438): at android.os.Handler.handleCallback(Handler.java:739) 01-01 22:53:41.002: W/System.err(13438): at android.os.Handler.dispatchMessage(Handler.java:95) 01-01 22:53:41.002: W/System.err(13438): at android.os.Looper.loop(Looper.java:135)
  3. 0

    Android Crashing when using a FragmentPagerAdapter

    Stack Overflow | 9 months ago | tom-james
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.media.MediaPlayer.pause()' on a null object reference at ...ColorsFragment$1.onAudioFocusChange(ColorsFragment.java:26) at ...AudioManager$FocusEventHandlerDelegate$1.handleMessage(AudioManager.java:2147) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:148)
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    Root Cause Analysis

    1. java.lang.NullPointerException

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

      at com.chad.library.adapter.base.listener.SimpleClickListener.onInterceptTouchEvent()
    2. com.chad.library
      SimpleClickListener.onInterceptTouchEvent
      1. com.chad.library.adapter.base.listener.SimpleClickListener.onInterceptTouchEvent(SimpleClickListener.java:51)
      1 frame
    3. Android v7
      RecyclerView.onTouchEvent
      1. android.support.v7.widget.RecyclerView.dispatchOnItemTouch(RecyclerView.java:2479)
      2. android.support.v7.widget.RecyclerView.onTouchEvent(RecyclerView.java:2607)
      2 frames
    4. Android Platform
      ViewGroup.dispatchTouchEvent
      1. android.view.View.dispatchTouchEvent(View.java:9301)
      2. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2547)
      3. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2240)
      4. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      5. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      6. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      7. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      8. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      9. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      10. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      11. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      12. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      13. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      14. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      15. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      16. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      17. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      18. android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2553)
      19. android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2254)
      19 frames
    5. Android
      PhoneWindow.superDispatchTouchEvent
      1. com.android.internal.policy.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2659)
      2. com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1787)
      2 frames
    6. Android Platform
      Dialog.dispatchTouchEvent
      1. android.app.Dialog.dispatchTouchEvent(Dialog.java:787)
      1 frame
    7. Android v7
      WindowCallbackWrapper.dispatchTouchEvent
      1. android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:63)
      1 frame
    8. Android
      PhoneWindow$DecorView.dispatchTouchEvent
      1. com.android.internal.policy.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2620)
      1 frame
    9. Android Platform
      ActivityThread.main
      1. android.view.View.dispatchPointerEvent(View.java:9521)
      2. android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)
      3. android.os.MessageQueue.nativePollOnce(Native Method)
      4. android.os.MessageQueue.next(MessageQueue.java:323)
      5. android.os.Looper.loop(Looper.java:135)
      6. android.app.ActivityThread.main(ActivityThread.java:5461)
      6 frames