java.lang.IllegalArgumentException: The observer is null.

google.com | 3 months ago
  1. 0

    java.lang.IllegalArgumentException: The observer is null

    Stack Overflow | 5 years ago | aheuermann
    java.lang.IllegalArgumentException: The observer is null.
  2. 0

    java.lang.IllegalArgumentException: The observer is null.

    GitHub | 2 years ago | Grunthos
    java.lang.RuntimeException: Unable to destroy activity {com.eleybourn.bookcatalogue/com.eleybourn.bookcatalogue.filechooser.BackupChooser}: java.lang.IllegalArgumentException: The observer is null.
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  4. 0

    FATAL EXCEPTION: main java.lang.IllegalArgumentException: The observer is null

    Stack Overflow | 10 months ago | Arjun Mr
    java.lang.RuntimeException: Unable to destroy activity {com.cinesoft.cinehome.android/com.cinesoft.cinehome.activity.ListActivity}: java.lang.IllegalArgumentException: The observer is null.

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    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      The observer is null.

      at android.database.Observable.unregisterObserver()
    2. Android Platform
      ViewGroup.removeView
      1. android.database.Observable.unregisterObserver(Observable.java:59)
      2. android.widget.BaseAdapter.unregisterDataSetObserver(BaseAdapter.java:42)
      3. android.widget.HeaderViewListAdapter.unregisterDataSetObserver(HeaderViewListAdapter.java:256)
      4. android.widget.AbsListView.onDetachedFromWindow(AbsListView.java:2373)
      5. android.view.View.dispatchDetachedFromWindow(View.java:9756)
      6. android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2274)
      7. android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2272)
      8. android.view.ViewGroup.removeViewInternal(ViewGroup.java:3588)
      9. android.view.ViewGroup.removeViewInternal(ViewGroup.java:3568)
      10. android.view.ViewGroup.removeView(ViewGroup.java:3516)
      10 frames
    3. com.xxxx.android
      NewsFeedDetailsActivity$LocalAdapter.destroyItem
      1. com.xxxx.android.common.NewsFeedDetailsActivity$LocalAdapter.destroyItem(NewsFeedDetailsActivity.java:150)
      1 frame
    4. Android Support v4
      ViewPager.computeScroll
      1. android.support.v4.view.ViewPager.populate(ViewPager.java:415)
      2. android.support.v4.view.ViewPager.completeScroll(ViewPager.java:696)
      3. android.support.v4.view.ViewPager.computeScroll(ViewPager.java:668)
      3 frames
    5. Android Platform
      FrameLayout.draw
      1. android.view.ViewGroup.drawChild(ViewGroup.java:2742)
      2. android.view.ViewGroup.dispatchDraw(ViewGroup.java:2495)
      3. android.view.ViewGroup.drawChild(ViewGroup.java:2897)
      4. android.view.ViewGroup.dispatchDraw(ViewGroup.java:2495)
      5. android.view.ViewGroup.drawChild(ViewGroup.java:2897)
      6. android.view.ViewGroup.dispatchDraw(ViewGroup.java:2495)
      7. android.view.ViewGroup.drawChild(ViewGroup.java:2897)
      8. android.view.ViewGroup.dispatchDraw(ViewGroup.java:2495)
      9. android.view.ViewGroup.drawChild(ViewGroup.java:2897)
      10. android.view.ViewGroup.dispatchDraw(ViewGroup.java:2495)
      11. android.view.ViewGroup.drawChild(ViewGroup.java:2897)
      12. android.view.ViewGroup.dispatchDraw(ViewGroup.java:2495)
      13. android.view.View.draw(View.java:10883)
      14. android.widget.FrameLayout.draw(FrameLayout.java:450)
      14 frames
    6. Android
      PhoneWindow$DecorView.draw
      1. com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2106)
      1 frame
    7. Android Platform
      ActivityThread.main
      1. android.view.ViewRootImpl.draw(ViewRootImpl.java:2005)
      2. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1613)
      3. android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2418)
      4. android.os.Handler.dispatchMessage(Handler.java:99)
      5. android.os.Looper.loop(Looper.java:137)
      6. android.app.ActivityThread.main(ActivityThread.java:4340)
      6 frames
    8. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invokeNative(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:511)
      2 frames
    9. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
      2 frames
    10. Android Platform
      NativeStart.main
      1. dalvik.system.NativeStart.main(Native Method)
      1 frame