无法保留嵌套片段 [英] Can't retain nested fragments
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问题描述
还有另一种保存嵌套片段状态的方法吗? 或者，如果我们不应该这样做，为什么呢?谢谢！
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)
推荐答案
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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