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在我的應用程序中,我有一個單獨的Activity
和多個Fragments
。從我的MainActivity
,我添加了我的第一個Fragment
。從基於物品點擊的第一個Fragment
適配器裏面,我添加第二個Fragment
。並從第二個Activity
基於項目點擊的適配器,我添加第三個Fragment
。如何處理單個活動和多個片段的方向變化
一切運作良好,但在方向變化,應用程序崩潰。
代碼:
MainActivity:
if (savedInstanceState == null) {
mHomeScreenFragment = (HomeScreenFragment) getSupportFragmentManager().findFragmentById(R.id.contentFrame);
if (mHomeScreenFragment == null) {
mHomeScreenFragment = HomeScreenFragment.newInstance();
}
ActivityUtils.addFragmentToActivity(getSupportFragmentManager(), mHomeScreenFragment, R.id.contentFrame, "HomeScreen");
}
1片段適配器 - 對項目點擊:
FoodListFragment foodListFragment = null;
if (foodListFragment == null) {
foodListFragment = foodListFragment.newInstance(position);
ActivityUtils.replaceFragmentToActivity(((MainActivity) view.getContext()).getSupportFragmentManager(),
foodListFragment, R.id.contentFrame, "FoodList");
}
第二Fragment
適配器 - 對項目點擊:
FoodDetailsFragment foodDetailsFragment = null;//(FoodDetailsFragment) ((MainActivity)view.getContext()).getSupportFragmentManager().findFragmentByTag("FoodDetails");
if (foodDetailsFragment == null) {
foodDetailsFragment = foodDetailsFragment.newInstance(foodListData.getUrl(),
foodListData.getName(),
foodListData.getSalePrice().getAmount(),
foodListData.getSalePrice().getCurrency());
}
ActivityUtils.replaceFragmentToActivity(((MainActivity)view.getContext()).getSupportFragmentManager(), foodDetailsFragment, R.id.contentFrame, "FoodDetails");
有些人可以幫助我告訴如何在1 Activity
和多個Fragments
的情況下正確處理方向變化?
我幾乎嘗試了所有StackOverflow和其他地方的解決方案,似乎沒有任何工作。
請上傳衝突日誌 – redAllocator