Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.Fragment.setNextAnim(int)' on a null object reference at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:760) at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2415) at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2200) at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2153) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2063) at android.support.v4.app.FragmentManagerImpl.popBackStackImmediate(FragmentManager.java:831) at android.support.v4.app.FragmentManagerImpl.popBackStackImmediate(FragmentManager.java:791) at android.support.v4.app.FragmentActivity.onBackPressed(FragmentActivity.java:173) at com.knowledgecity.common.BaseActivity.onBackPressed(BaseActivity.java:131) at com.knowledgecity.activity.MainActivity.onBackPressed(MainActivity.java:322) at android.app.Activity.onKeyUp(Activity.java:2854) at android.view.KeyEvent.dispatch(KeyEvent.java:3346)

This error appears in Android 7.0. When watching a video. In other versions, everything is fine. What is the problem?

  • Judging by the log, when you click on the "back" button. - Sergey Gornostaev
  • @SergeyGornostaev, Is there any thread for Android 7.0 emulator? - user239760
  • @EraNewGames of course, in the studio via AVDmanager you can configure it for any version - Android Android
  • It starts an hour and a half - user239760
  • @EraNewGames, studio or emulator? I think you are behind the times :) - Eugene Krivenja

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