1 /* 2 * Copyright (C) 2008 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.policy.impl; 18 19 /** 20 * Common interface of each {@link android.view.View} that is a screen of 21 * {@link LockPatternKeyguardView}. 22 */ 23 public interface KeyguardScreen { 24 25 /** 26 * Return true if your view needs input, so should allow the soft 27 * keyboard to be displayed. 28 */ needsInput()29 boolean needsInput(); 30 31 /** 32 * This screen is no longer in front of the user. 33 */ onPause()34 void onPause(); 35 36 /** 37 * This screen is going to be in front of the user. 38 */ onResume()39 void onResume(); 40 41 /** 42 * This view is going away; a hook to do cleanup. 43 */ cleanUp()44 void cleanUp(); 45 } 46