java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.support.design.widget.AppBarLayout$Behavior.setTopAndBottomOffset(int)' on a null object reference

GitHub | jahirfiquitiva | 1 year ago
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    Fix crash when entering directly to Icons Preview section

    GitHub | 1 year ago | jahirfiquitiva
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.support.design.widget.AppBarLayout$Behavior.setTopAndBottomOffset(int)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'boolean android.support.design.widget.AppBarLayout$Behavior.setTopAndBottomOffset(int)' on a null object reference

      at jahirfiquitiva.apps.iconshowcase.fragments.PreviewsFragment.onResume()
    2. jahirfiquitiva.apps.iconshowcase
      PreviewsFragment.onResume
      1. jahirfiquitiva.apps.iconshowcase.fragments.PreviewsFragment.onResume(PreviewsFragment.java:97)
      1 frame
    3. Android Support v4
      FragmentActivity.onPostResume
      1. android.support.v4.app.Fragment.performResume(Fragment.java:2005)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1108)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1248)
      4. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1230)
      5. android.support.v4.app.FragmentManagerImpl.dispatchResume(FragmentManager.java:2052)
      6. android.support.v4.app.FragmentController.dispatchResume(FragmentController.java:187)
      7. android.support.v4.app.FragmentActivity.onResumeFragments(FragmentActivity.java:462)
      8. android.support.v4.app.FragmentActivity.onPostResume(FragmentActivity.java:451)
      8 frames
    4. Android v7
      AppCompatActivity.onPostResume
      1. android.support.v7.app.AppCompatActivity.onPostResume(AppCompatActivity.java:141)
      1 frame
    5. Android Platform
      ActivityThread.handleLaunchActivity
      1. android.app.Activity.performResume(Activity.java:6351)
      2. android.app.ActivityThread.performResumeActivity(ActivityThread.java:3136)
      3. android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3178)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2525)
      4 frames