1 /* 2 * Copyright (C) 2015 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 com.android.launcher3; 18 19 /** 20 * An interface to get callbacks during a launcher transition. 21 */ 22 public interface LauncherTransitionable { 23 void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean multiplePagesVisible); 24 void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace); 25 void onLauncherTransitionStep(Launcher l, float t); 26 void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace); 27 } 28