java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ToggleButton.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

  1. 0

    Null Pointer Exception while setting OnCheckedStateListener on ToggleButton

    Stack Overflow | 4 months ago | fredrick cyril
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ToggleButton.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
  2. 0

    Null Pointer Exception on Virtual Method on a null object reference

    Stack Overflow | 11 months ago | LUKE WAUGH
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.lukewaugh.app/com.lukewaugh.app.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
  3. 0

    SimpleCursorAdapter isn't working

    Stack Overflow | 1 year ago | Dusan Dimitrijevic
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dusandimitrijevic.grocerylist/com.dusandimitrijevic.grocerylist.AddActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
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  5. 0

    How do I get access to a button inside my Header.xml layout from my MainActivity?

    Stack Overflow | 1 year ago | casguapo
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.pi.cas.ndtc/com.pi.cas.ndtc.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
  6. 0

    应用程序崩溃按钮单击说试图调用虚拟方法的空白android.widget.Button.setOnClickListener - Application crashed on Button click saying attempt to invoke virtual method 'void android.widget.Button.setOnClickListener'IT怪 挨踢怪 28印象 二八印象

    28im.com | 1 year ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.muchmore.www.chasquido/com.muchmore.www.chasquido.Upload}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.ToggleButton.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

      at com.cube_me.cubeme.Accounts.AccountViewDetailsFragment.onActivityCreated()
    2. com.cube_me.cubeme
      AccountViewDetailsFragment.onActivityCreated
      1. com.cube_me.cubeme.Accounts.AccountViewDetailsFragment.onActivityCreated(AccountViewDetailsFragment.java:42)
      1 frame
    3. Android Support v4
      ViewPager.onMeasure
      1. android.support.v4.app.Fragment.performActivityCreated(Fragment.java:2083)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1129)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1286)
      4. android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758)
      5. android.support.v4.app.FragmentManagerImpl.execSingleAction(FragmentManager.java:1632)
      6. android.support.v4.app.BackStackRecord.commitNowAllowingStateLoss(BackStackRecord.java:637)
      7. android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:143)
      8. android.support.v4.view.ViewPager.populate(ViewPager.java:1237)
      9. android.support.v4.view.ViewPager.populate(ViewPager.java:1085)
      10. android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1611)
      10 frames
    4. Android Platform
      View.measure
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      6. android.view.View.measure(View.java:17547)
      6 frames
    5. Android Support v4
      DrawerLayout.onMeasure
      1. android.support.v4.widget.DrawerLayout.onMeasure(DrawerLayout.java:1079)
      1 frame
    6. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      3. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      3 frames
    7. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    8. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      6. android.view.View.measure(View.java:17547)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      9. android.view.View.measure(View.java:17547)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      14. android.view.View.measure(View.java:17547)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5535)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:436)
      16 frames
    9. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2615)
      1 frame
    10. Android Platform
      ActivityThread.main
      1. android.view.View.measure(View.java:17547)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2015)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1173)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1379)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
      7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
      8. android.view.Choreographer.doCallbacks(Choreographer.java:580)
      9. android.view.Choreographer.doFrame(Choreographer.java:550)
      10. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
      11. android.os.Handler.handleCallback(Handler.java:739)
      12. android.os.Handler.dispatchMessage(Handler.java:95)
      13. android.os.Looper.loop(Looper.java:135)
      14. android.app.ActivityThread.main(ActivityThread.java:5254)
      14 frames
    11. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames