【Android】java.lang.IllegalStateException: Recursive entry to executePendingTransactions

 

 

正文 

錯誤

            java.lang.IllegalStateException: Recursive entry to executePendingTransactions 
          
     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1416) 
          
     at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:461) 
          
     at android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:141) 
          
     at android.support.v4.view.ViewPager.populate(ViewPager.java:1012) 
          
     at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:523) 
          
     at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:495) 
          
     at android.support.v4.view.ViewPager.onRestoreInstanceState(ViewPager.java:1221) 
          
     at android.view.View.dispatchRestoreInstanceState(View.java:9966) 
          
     at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2617) 
          
     at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2623) 
          
     at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2623) 
          
     at android.view.View.restoreHierarchyState(View.java:9944) 
          
     at android.support.v4.app.Fragment.restoreViewState(Fragment.java:417) 
          
     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:933) 
          
     at android.support.v4.app.FragmentManagerImpl.attachFragment(FragmentManager.java:1264) 
          
     at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:672) 
          
     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444) 
          
     at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:429) 
          
     at android.os.Handler.handleCallback(Handler.java:608) 
          
     at android.os.Handler.dispatchMessage(Handler.java:92) 
          
     at android.os.Looper.loop(Looper.java:156) 
          
     at android.app.ActivityThread.main(ActivityThread.java:4987) 
          
     at java.lang.reflect.Method.invokeNative(Native Method) 
          
     at java.lang.reflect.Method.invoke(Method.java:511) 
          
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 
          
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 
          
     at dalvik.system.NativeStart.main(Native Method) 
         

第一次使用沒有問題（add），第二次使用時就報這個錯（attach）。 

 

場景

嵌套Fragment使用（最外層FragmentActivity，Fragment中使用ViewPager再嵌套Fragment使用）

 

解決

嵌套Fragment設置PageAdapter時要使用getChildFragmentManager。