我使用android ViewPager滑过浏览次数。每个视图都有一些UI元素,如EditText或Radio Button。当我回到几个观点后回来时,我在单选按钮上做出的选择会丢失。Android View Pager保留视图状态
如何实现视图寻呼机来保留我的选择/输入。这里是我宣布我的PagerAdapter,
private class QuestionsSlidePagerAdapter extends FragmentStatePagerAdapter {
public QuestionsSlidePagerAdapter(FragmentManager fm) {
super(fm);
}
当我设置上述1setOffscreenPageLimit我又回到这个崩溃日志,
java.lang.IllegalStateException: Recursive entry to
executePendingTransactions at
android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1585) at
android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:570) at
android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) at
android.support.v4.view.ViewPager.populate(ViewPager.java:1106) at android.support.v4.view.ViewPager.populate(ViewPager.java:952) at
android.support.v4.view.ViewPager.setOffscreenPageLimit(ViewPager.java:733) at
com.mobytz.handyman.postjob.QuestionsFragment.onActivityCreated(QuestionsFragment.java:116) at
android.support.v4.app.Fragment.performActivityCreated(Fragment.java:1970) at
android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1092) at
android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1248) at
android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738) at
android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1613) at
android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:517) at android.os.Handler.handleCallback(Handler.java:739) at
android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:145) at
android.app.ActivityThread.main(ActivityThread.java:6837) at java.lang.reflect.Method.invoke(Native Method) at
java.lang.reflect.Method.invoke(Method.java:372) at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
感谢。
感谢。我试过,但应用程序崩溃,请参阅更新后的问题 – Zach
这可能是你要找的: http://stackoverflow.com/questions/22150950/recursive-entry-to-executependingtransactions 标签通常片段内的片段,所以你必须使用getChildFragmentManager()来防止这种递归行为。 – TheoKanning