FragmentStatePagerAdapter

记录一下：

找到方法再说吧。

两层嵌套使用viewpager使用

FragmentStatePagerAdapter时遇到的crash,找不到原因。如果有高手知道原因，请留言。

现在的解决办法是使用FragmentPagerAdapter

10-13 20:46:40.794: D/AndroidRuntime(25587): Shutting down VM10-13 20:46:40.794: W/dalvikvm(25587): threadid=1: thread exiting with uncaught exception (group=0x41b91888)10-13 20:46:40.819: E/AndroidRuntime(25587): FATAL EXCEPTION: main10-13 20:46:40.819: E/AndroidRuntime(25587): java.lang.NullPointerException10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentState.instantiate(Fragment.java:94)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentManagerImpl.restoreAllState(FragmentManager.java:1783)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.Fragment.performCreate(Fragment.java:1467)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:893)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1460)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:472)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.view.ViewPager.populate(ViewPager.java:1068)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.view.ViewPager.populate(ViewPager.java:914)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.support.v4.view.ViewPager$3.run(ViewPager.java:244)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.view.Choreographer.doCallbacks(Choreographer.java:562)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.view.Choreographer.doFrame(Choreographer.java:531)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.os.Handler.handleCallback(Handler.java:725)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.os.Handler.dispatchMessage(Handler.java:92)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.os.Looper.loop(Looper.java:137)10-13 20:46:40.819: E/AndroidRuntime(25587): at android.app.ActivityThread.main(ActivityThread.java:5231)10-13 20:46:40.819: E/AndroidRuntime(25587): at java.lang.reflect.Method.invokeNative(Native Method)10-13 20:46:40.819: E/AndroidRuntime(25587): at java.lang.reflect.Method.invoke(Method.java:511)10-13 20:46:40.819: E/AndroidRuntime(25587): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)10-13 20:46:40.819: E/AndroidRuntime(25587): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:561)10-13 20:46:40.819: E/AndroidRuntime(25587): at dalvik.system.NativeStart.main(Native Method)