1 /* 2 * Copyright (C) 2018 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 package com.android.systemui.recents; 17 18 import android.content.Context; 19 import android.content.res.Configuration; 20 21 import java.io.PrintWriter; 22 23 /** 24 * API for creating a Recents view. 25 */ 26 public interface RecentsImplementation { onStart(Context context)27 default void onStart(Context context) {} onBootCompleted()28 default void onBootCompleted() {} onAppTransitionFinished()29 default void onAppTransitionFinished() {} onConfigurationChanged(Configuration newConfig)30 default void onConfigurationChanged(Configuration newConfig) {} 31 preloadRecentApps()32 default void preloadRecentApps() {} cancelPreloadRecentApps()33 default void cancelPreloadRecentApps() {} showRecentApps(boolean triggeredFromAltTab)34 default void showRecentApps(boolean triggeredFromAltTab) {} hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey)35 default void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {} toggleRecentApps()36 default void toggleRecentApps() {} 37 dump(PrintWriter pw)38 default void dump(PrintWriter pw) {} 39 } 40