不能保留嵌套片段 [英] Can't retain nested fragments
问题描述
有没有保存嵌套的片段的状态的另一种方式? 或者,如果我们不应该这样做,为什么呢?谢谢!
11月二号日至13日:42:43.258:E / AndroidRuntime(7167):java.lang.IllegalStateException:不能保留嵌套在其他片段fragements
十一月二号至13日:42:43.258:E / AndroidRuntime(7167):在android.support.v4.app.Fragment.setRetainInstance(Fragment.java:742)
您可以使用<一个href="http://developer.android.com/reference/android/support/v4/app/FragmentManager.html#saveFragmentInstanceState%28android.support.v4.app.Fragment%29"><$c$c>FragmentManager.saveFragmentInstanceState(Fragment)$c$c>检索片段的状态。返回值实现Parcelable,所以你可以把它放在一个包。
有关恢复,您可以创建使用片段<一后提供状态href="http://developer.android.com/reference/android/support/v4/app/Fragment.html#setInitialSavedState%28android.support.v4.app.Fragment.SavedState%29"><$c$c>Fragment.setInitialSavedState(Fragment.SavedState)$c$c>.
Is there another way of saving the state of the nested fragment ? Or if we shouldn't do this, why ? Thanks !
02-13 11:42:43.258: E/AndroidRuntime(7167): java.lang.IllegalStateException: Can't retain fragements that are nested in other fragments
02-13 11:42:43.258: E/AndroidRuntime(7167): at android.support.v4.app.Fragment.setRetainInstance(Fragment.java:742)
You can use FragmentManager.saveFragmentInstanceState(Fragment)
to retrieve a fragment state. The return value implements Parcelable, so you can put it in a Bundle.
For restoration, you can provide the state after creating the fragment using Fragment.setInitialSavedState(Fragment.SavedState)
.
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