java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference

Stack Overflow | Viks | 3 months ago
  1. 0

    Getting NullPointerException only on few devices while using setAdapter

    Stack Overflow | 3 months ago | Viks
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference
  2. 0

    Fatal Exception: java.lang.NullPointerException while using ViewPager

    Stack Overflow | 7 months ago | user669231
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference
  3. 0

    Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference

    Stack Overflow | 7 months ago | Android android
    java.lang.RuntimeException: Unable to resume activity {com.physicalgym/com.physicalgym.Main3Activity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    getHandler() NullPointerException when calling popBackstackImmediate() on a FragmentManager

    Stack Overflow | 4 months ago | Whiz
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference
  6. 0

    android.support.v4.app.FragmentManager#popBackStackImmediate() results in a NullPointerException

    Stack Overflow | 12 months ago | Elhanan Mishraky
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' 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.os.Handler android.support.v4.app.FragmentHostCallback.getHandler()' on a null object reference

      at android.support.v4.app.FragmentManagerImpl.execSingleAction()
    2. Android Support v4
      FragmentStatePagerAdapter.finishUpdate
      1. android.support.v4.app.FragmentManagerImpl.execSingleAction(FragmentManager.java:1623)
      2. android.support.v4.app.BackStackRecord.commitNowAllowingStateLoss(BackStackRecord.java:637)
      3. android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:166)
      3 frames
    3. com.inheadline.news
      DataSnapshotToDb$AddToDb.onPostExecute
      1. com.inheadline.news.view.viewpager.VerticalViewPager.setAdapter(VerticalViewPager.java:278)
      2. com.inheadline.news.activity.MainActivity.setupViewPager(MainActivity.java:487)
      3. com.inheadline.news.activity.MainActivity.dataAdded(MainActivity.java:557)
      4. com.inheadline.news.db.operation.DataSnapshotToDb$AddToDb.onPostExecute(DataSnapshotToDb.java:163)
      5. com.inheadline.news.db.operation.DataSnapshotToDb$AddToDb.onPostExecute(DataSnapshotToDb.java:138)
      5 frames
    4. Android Platform
      ActivityThread.main
      1. android.os.AsyncTask.finish(AsyncTask.java:679)
      2. android.os.AsyncTask.access$500(AsyncTask.java:180)
      3. android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:696)
      4. android.os.Handler.dispatchMessage(Handler.java:102)
      5. android.os.Looper.loop(Looper.java:150)
      6. android.app.ActivityThread.main(ActivityThread.java:5546)
      6 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Method.java)
      1 frame
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
      2 frames