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得到的主要活動在片段extedend我: MainActivity如何從SupportMapFragment
fragment = new ListReportsFragment();
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction().replace(R.id.content, fragment).commit();
有了這個簡單的代碼,我打電話一framgment從SupportMapFragment
MyFragment
擴展public class MyFragment extends SupportMapFragment {
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
MainActivity main = (MainActivity) getParentFragment().getActivity()
}
}
但是main
的值始終爲null
。我如何發送或獲得MainActivity
?