Android Fragment
1. add a fragment to a view
FragmentManager fm = getFragmentManager(); FragmentTransaction ft = fm.beginTransaction(); ft.add(R.id.fragment_container, mFriendsFragment); ft.addToBackStack(null);// this is optional, use this if you want to come back to the old fragment ft.commit();
main activity view
<?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/fragment_container" android:layout_width="match_parent" android:layout_height="match_parent" />
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