1 /* 2 * Copyright (C) 2007 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.app; 18 19 import android.app.Activity; 20 import android.content.DialogInterface; 21 import android.os.Bundle; 22 import android.view.KeyEvent; 23 24 /** 25 * An activity that follows the visual style of an AlertDialog. 26 * 27 * @see #mAlert 28 * @see #mAlertParams 29 * @see #setupAlert() 30 */ 31 public abstract class AlertActivity extends Activity implements DialogInterface { 32 33 /** 34 * The model for the alert. 35 * 36 * @see #mAlertParams 37 */ 38 protected AlertController mAlert; 39 40 /** 41 * The parameters for the alert. 42 */ 43 protected AlertController.AlertParams mAlertParams; 44 45 @Override onCreate(Bundle savedInstanceState)46 protected void onCreate(Bundle savedInstanceState) { 47 super.onCreate(savedInstanceState); 48 49 mAlert = new AlertController(this, this, getWindow()); 50 mAlertParams = new AlertController.AlertParams(this); 51 } 52 cancel()53 public void cancel() { 54 finish(); 55 } 56 dismiss()57 public void dismiss() { 58 // This is called after the click, since we finish when handling the 59 // click, don't do that again here. 60 if (!isFinishing()) { 61 finish(); 62 } 63 } 64 65 /** 66 * Sets up the alert, including applying the parameters to the alert model, 67 * and installing the alert's content. 68 * 69 * @see #mAlert 70 * @see #mAlertParams 71 */ setupAlert()72 protected void setupAlert() { 73 mAlertParams.apply(mAlert); 74 mAlert.installContent(); 75 } 76 77 @Override onKeyDown(int keyCode, KeyEvent event)78 public boolean onKeyDown(int keyCode, KeyEvent event) { 79 if (mAlert.onKeyDown(keyCode, event)) return true; 80 return super.onKeyDown(keyCode, event); 81 } 82 83 @Override onKeyUp(int keyCode, KeyEvent event)84 public boolean onKeyUp(int keyCode, KeyEvent event) { 85 if (mAlert.onKeyUp(keyCode, event)) return true; 86 return super.onKeyUp(keyCode, event); 87 } 88 } 89