1 /* 2 * Copyright 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package androidx.navigation 18 19 /** 20 * A marker interface for [NavDestination] subclasses that float above the view of other 21 * destinations (i.e. [androidx.navigation.fragment.DialogFragmentNavigator.Destination]). 22 * 23 * Destinations that implement this interface will automatically be popped off the back stack when 24 * you navigate to a new destination. 25 * 26 * [androidx.navigation.NavController.OnDestinationChangedListener] instances can also customize 27 * their behavior based on whether the destination is a FloatingWindow. 28 */ 29 public interface FloatingWindow 30