添加Fragment報已有父view，需先移除的錯

本文轉載自查看原文 2013-12-13 17:32 4571 ANDROID

錯誤LOG：

 1 12-13 17:05:28.754: E/AndroidRuntime(8344): FATAL EXCEPTION: main
 2 12-13 17:05:28.754: E/AndroidRuntime(8344): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
 3 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.view.ViewGroup.addViewInner(ViewGroup.java:3337)
 4 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.view.ViewGroup.addView(ViewGroup.java:3208)
 5 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.view.ViewGroup.addView(ViewGroup.java:3165)
 6 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.view.ViewGroup.addView(ViewGroup.java:3145)
 7 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:839)
 8 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1032)
 9 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.app.BackStackRecord.run(BackStackRecord.java:622)
10 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1382)
11 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.app.FragmentManagerImpl$1.run(FragmentManager.java:426)
12 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.os.Handler.handleCallback(Handler.java:605)
13 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.os.Handler.dispatchMessage(Handler.java:92)
14 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.os.Looper.loop(Looper.java:137)
15 12-13 17:05:28.754: E/AndroidRuntime(8344):     at android.app.ActivityThread.main(ActivityThread.java:4424)
16 12-13 17:05:28.754: E/AndroidRuntime(8344):     at java.lang.reflect.Method.invokeNative(Native Method)
17 12-13 17:05:28.754: E/AndroidRuntime(8344):     at java.lang.reflect.Method.invoke(Method.java:511)
18 12-13 17:05:28.754: E/AndroidRuntime(8344):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
19 12-13 17:05:28.754: E/AndroidRuntime(8344):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
20 12-13 17:05:28.754: E/AndroidRuntime(8344):     at dalvik.system.NativeStart.main(Native Method)

View Code

解決：

//如果是在布局文件中寫了Fragment name="xx.xx.XxFragment",可以使用這種方式，如果是使用FragmentTransaction需要采用方式二的兩種代碼
方式一：
inflater.inflate(R.layout.reg_fragment, container);
方式二：
inflater.inflate(R.layout.reg_fragment, container, false);
inflater.inflate(R.layout.reg_fragment, null);

原因：猜想是因為attach的時候不是直接add進去的，未證實。

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