java.lang.NullPointerException: Attempt to invoke interface method 'void com.maplesyrupindustries.j.airportmeet.SettingsFragment$OnFragmentInteractionListener.setSwitchPending(java.lang.Boolean)' on a null object reference

tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.
  1. 0

    SwitchPreference null on lower sdk version (api level 21)

    Stack Overflow | 7 months ago | SpecialSnowflake
    java.lang.NullPointerException: Attempt to invoke interface method 'void com.maplesyrupindustries.j.airportmeet.SettingsFragment$OnFragmentInteractionListener.setSwitchPending(java.lang.Boolean)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke interface method 'void com.maplesyrupindustries.j.airportmeet.SettingsFragment$OnFragmentInteractionListener.setSwitchPending(java.lang.Boolean)' on a null object reference

      at com.maplesyrupindustries.j.airportmeet.SettingsFragment.onCreateView()
    2. com.maplesyrupindustries.j
      SettingsFragment.onCreateView
      1. com.maplesyrupindustries.j.airportmeet.SettingsFragment.onCreateView(SettingsFragment.java:102)
      1 frame
    3. Android Platform
      FragmentManagerImpl.executePendingTransactions
      1. android.app.Fragment.performCreateView(Fragment.java:2053)
      2. android.app.FragmentManagerImpl.moveToState(FragmentManager.java:894)
      3. android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
      4. android.app.BackStackRecord.run(BackStackRecord.java:833)
      5. android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1452)
      6. android.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:483)
      6 frames
    4. android-support-v13
      FragmentPagerAdapter.finishUpdate
      1. android.support.v13.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:149)
      1 frame
    5. Android Support v4
      ViewPager.onMeasure
      1. android.support.v4.view.ViewPager.populate(ViewPager.java:1237)
      2. android.support.v4.view.ViewPager.populate(ViewPager.java:1085)
      3. android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1611)
      3 frames
    6. Android Platform
      ViewGroup.measureChildWithMargins
      1. android.view.View.measure(View.java:17430)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
      2 frames
    7. android.support.design
      CoordinatorLayout.onMeasure
      1. android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:671)
      2. android.support.design.widget.HeaderScrollingViewBehavior.onMeasureChild(HeaderScrollingViewBehavior.java:90)
      3. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onMeasureChild(AppBarLayout.java:1319)
      4. android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:736)
      4 frames
    8. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17430)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
      3. android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
      3 frames
    9. Android v7
      ContentFrameLayout.onMeasure
      1. android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)
      1 frame
    10. Android Platform
      FrameLayout.onMeasure
      1. android.view.View.measure(View.java:17430)
      2. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
      3. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      4. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      5. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      6. android.view.View.measure(View.java:17430)
      7. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
      8. android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
      9. android.view.View.measure(View.java:17430)
      10. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
      11. android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
      12. android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
      13. android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
      14. android.view.View.measure(View.java:17430)
      15. android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
      16. android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
      16 frames
    11. Android
      PhoneWindow$DecorView.onMeasure
      1. com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560)
      1 frame
    12. Android Platform
      ActivityThread.main
      1. android.view.View.measure(View.java:17430)
      2. android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001)
      3. android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166)
      4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372)
      5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054)
      6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779)
      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:5221)
      14 frames
    13. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame