1 /* 2 * Copyright (C) 2011 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.internal.widget; 18 19 import android.view.View; 20 21 /** 22 * An interface used by LockScreenWidgets to send messages to lock screen. 23 */ 24 public interface LockScreenWidgetCallback { 25 // Sends a message to lock screen requesting the given view be shown. May be ignored, depending 26 // on lock screen state. View must be the top-level lock screen widget or it will be ignored. 27 public void requestShow(View self); 28 29 // Sends a message to lock screen requesting the view to be hidden. 30 public void requestHide(View self); 31 32 // Whether or not this view is currently visible on LockScreen 33 public boolean isVisible(View self); 34 35 // Sends a message to lock screen that user has interacted with widget. This should be used 36 // exclusively in response to user activity, i.e. user hits a button in the view. 37 public void userActivity(View self); 38 39 } 40
