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 | 7 months ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Getting NullPointerException only on few devices while using setAdapter

    Stack Overflow | 7 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

    Attempt to invoke virtual method on a null object reference - Android - java

    developer-works.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList foto.studio.SQLiteDataSource.getAllImageItems()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:5942) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
  3. 0

    Attempt to invoke virtual method on a null object reference

    xluat.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList foto.studio.SQLiteDataSource.getAllImageItems()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:5942) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    Attempt to invoke virtual method on a null object reference

    pr8x.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList foto.studio.SQLiteDataSource.getAllImageItems()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:5942) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
  6. 0

    NullPointerException: Attempt to invoke virtual method. 'ZXing ScannerView'

    Stack Overflow | 1 week ago | Adam
    java.lang.NullPointerException: Attempt to invoke virtual method 'void me.dm7.barcodescanner.zxing.ZXingScannerView.stopCamera()' on a null object reference

    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