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

GitHub | Mohit-Soni | 7 months ago
  1. 0

    GitHub comment 35#229653862

    GitHub | 7 months ago | Mohit-Soni
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  2. 0

    Why don't you just return the Date instead of hh,mm and selected date etc

    GitHub | 1 month ago | srgiitd
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

  4. 0
    Initialize the variable before calling a method on it.
  5. 0

    Android compiles but crashes

    Stack Overflow | 2 years ago | AndroidNoob
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

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

      at com.appeaser.sublimepickerlibrary.datepicker.DayPickerView.onLayout()
    2. com.appeaser.sublimepickerlibrary
      DayPickerView.onLayout
      1. com.appeaser.sublimepickerlibrary.datepicker.DayPickerView.onLayout(DayPickerView.java:280)
      1 frame
    3. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:16646)
      2. android.view.ViewGroup.layout(ViewGroup.java:5440)
      3. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
      4. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
      5. android.view.View.layout(View.java:16646)
      6. android.view.ViewGroup.layout(ViewGroup.java:5440)
      7. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
      8. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
      9. android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
      10. android.view.View.layout(View.java:16646)
      11. android.view.ViewGroup.layout(ViewGroup.java:5440)
      12. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
      13. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
      14. android.view.View.layout(View.java:16646)
      15. android.view.ViewGroup.layout(ViewGroup.java:5440)
      16. android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079)
      17. android.view.View.layout(View.java:16646)
      18. android.view.ViewGroup.layout(ViewGroup.java:5440)
      18 frames
    4. android.support.design
      CoordinatorLayout.onLayout
      1. android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122)
      2. android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)
      3. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1192)
      4. android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:814)
      4 frames
    5. Android Platform
      FrameLayout.onLayout
      1. android.view.View.layout(View.java:16646)
      2. android.view.ViewGroup.layout(ViewGroup.java:5440)
      3. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
      4. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
      5. android.view.View.layout(View.java:16646)
      6. android.view.ViewGroup.layout(ViewGroup.java:5440)
      7. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
      8. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
      9. android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
      10. android.view.View.layout(View.java:16646)
      11. android.view.ViewGroup.layout(ViewGroup.java:5440)
      12. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
      13. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
      14. android.view.View.layout(View.java:16646)
      15. android.view.ViewGroup.layout(ViewGroup.java:5440)
      16. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
      17. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
      18. android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
      19. android.view.View.layout(View.java:16646)
      20. android.view.ViewGroup.layout(ViewGroup.java:5440)
      21. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
      22. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
      22 frames
    6. Android
      PhoneWindow$DecorView.onLayout
      1. com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)
      1 frame
    7. Android Platform
      ActivityThread.main
      1. android.view.View.layout(View.java:16646)
      2. android.view.ViewGroup.layout(ViewGroup.java:5440)
      3. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2183)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1943)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1119)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6060)
      7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
      8. android.view.Choreographer.doCallbacks(Choreographer.java:670)
      9. android.view.Choreographer.doFrame(Choreographer.java:606)
      10. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
      11. android.os.Handler.handleCallback(Handler.java:746)
      12. android.os.Handler.dispatchMessage(Handler.java:95)
      13. android.os.Looper.loop(Looper.java:148)
      14. android.app.ActivityThread.main(ActivityThread.java:5443)
      14 frames