Android平台: 3.1
我正在尝试将一个片段从容器A移动到容器B。下面是完成此操作的代码:
private void reattach(int newContainerId, Fragment frag, String tag) {
if (frag == null || !frag.isAdded() || (frag.getId() == newContainerId)) { return; }
final FragmentManager fm = getFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
ft.remove(frag); //stacco il frammento dal container A
ft.commit();
fm.executePendingTransactions();
ft = fm.beginTransaction();
ft.add(newContainerId, frag, tag); //attacco il frammento sul container D
ft.commit();
fm.executePendingTransactions();
}
当我运行系统时,我得到以下IllegalStateException:
03-26 00:13:14.829: E/AndroidRuntime(30090): java.lang.RuntimeException: Unable to start activity ComponentInfo{eu.areamobile.apps.sfa/eu.areamobile.apps.sfa.activity.HomeActivity}: java.lang.IllegalStateException: Can't change container ID of fragment FragmentHomeController{408202a8 id=0x7f050010 HomeController}: was 2131034128 now 2131034132
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1751)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1767)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3117)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread.access$1600(ActivityThread.java:122)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1009)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.os.Handler.dispatchMessage(Handler.java:99)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.os.Looper.loop(Looper.java:132)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread.main(ActivityThread.java:4028)
03-26 00:13:14.829: E/AndroidRuntime(30090): at java.lang.reflect.Method.invokeNative(Native Method)
03-26 00:13:14.829: E/AndroidRuntime(30090): at java.lang.reflect.Method.invoke(Method.java:491)
03-26 00:13:14.829: E/AndroidRuntime(30090): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:844)
03-26 00:13:14.829: E/AndroidRuntime(30090): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
03-26 00:13:14.829: E/AndroidRuntime(30090): at dalvik.system.NativeStart.main(Native Method)
03-26 00:13:14.829: E/AndroidRuntime(30090): Caused by: java.lang.IllegalStateException: Can't change container ID of fragment FragmentHomeController{408202a8 id=0x7f050010 HomeController}: was 2131034128 now 2131034132
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.BackStackRecord.doAddOp(BackStackRecord.java:338)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.BackStackRecord.add(BackStackRecord.java:316)
03-26 00:13:14.829: E/AndroidRuntime(30090): at eu.areamobile.apps.sfa.activity.HomeActivity.reattach(HomeActivity.java:340)
03-26 00:13:14.829: E/AndroidRuntime(30090): at eu.areamobile.apps.sfa.activity.HomeActivity.customHideShowCreate(HomeActivity.java:253)
03-26 00:13:14.829: E/AndroidRuntime(30090): at eu.areamobile.apps.sfa.activity.HomeActivity.customHideShowCreate(HomeActivity.java:155)
03-26 00:13:14.829: E/AndroidRuntime(30090): at eu.areamobile.apps.sfa.activity.HomeActivity.onPostCreate(HomeActivity.java:66)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.Instrumentation.callActivityOnPostCreate(Instrumentation.java:1111)
03-26 00:13:14.829: E/AndroidRuntime(30090): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1734)
经过快速调试,我注意到在Android3.1上,FragmentTransaction.remove没有将被移除的片段的mContainerId设置为0,而在ICS上它工作正常。
有什么建议或变通方法吗?
https://stackoverflow.com/questions/9906254
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