public void replace(Fragment fragment) { fragmentStack.replace(fragment); } }
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); fragmentStack = new FragmentStack(this, getSupportFragmentManager(), R.id.fragmentContainer); if (savedInstanceState == null) fragmentStack.replace(new MainFragment()); }
@UiThreadTest public void testReplace() throws Exception { FragmentManager manager = activity.getSupportFragmentManager(); FragmentStack stack = new FragmentStack(activity, manager, CONTAINER_ID); TestFragment1 fragment = new TestFragment1(); stack.replace(fragment); assertTopFragment(manager, stack, fragment, 0); TestFragment2 fragment2 = new TestFragment2(); stack.replace(fragment2); assertTopFragment(manager, stack, fragment2, 0); }
@UiThreadTest public void testPushReplace() throws Exception { FragmentManager manager = activity.getSupportFragmentManager(); FragmentStack stack = new FragmentStack(activity, manager, CONTAINER_ID); TestFragment1 fragment = new TestFragment1(); stack.push(fragment); TestFragment2 fragment2 = new TestFragment2(); stack.push(fragment2); TestFragment1 fragment3 = new TestFragment1(); stack.replace(fragment3); assertTopFragment(manager, stack, fragment3, 0); assertNull(manager.findFragmentByTag("1")); }