1 /* 2 * Copyright (C) 2009 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.phone; 18 19 import android.app.AlertDialog; 20 import android.content.Context; 21 import android.os.SystemProperties; 22 import android.util.Log; 23 import android.view.WindowManager; 24 25 /** 26 * Helper class for displaying the a string triggered by a lower level Phone request 27 */ 28 public class PhoneDisplayMessage { 29 private static final String LOG_TAG = "PhoneDisplayMessage"; 30 private static final boolean DBG = (SystemProperties.getInt("ro.debuggable", 0) == 1); 31 32 /** Display message dialog */ 33 private static AlertDialog sDisplayMessageDialog = null; 34 35 /** 36 * Display the alert dialog with the network message. 37 * 38 * @param context context to get strings. 39 * @param infoMsg Text message from Network. 40 */ displayNetworkMessage(Context context, String infoMsg)41 public static void displayNetworkMessage(Context context, String infoMsg) { 42 if (DBG) log("displayInfoRecord: infoMsg=" + infoMsg); 43 44 String title = (String)context.getText(R.string.network_info_message); 45 displayMessage(context, title, infoMsg); 46 } 47 48 /** 49 * Display the alert dialog with the error message. 50 * 51 * @param context context to get strings. 52 * @param errorMsg Error message describing the network triggered error 53 */ displayErrorMessage(Context context, String errorMsg)54 public static void displayErrorMessage(Context context, String errorMsg) { 55 if (DBG) log("displayErrorMessage: errorMsg=" + errorMsg); 56 57 String title = (String)context.getText(R.string.network_error_message); 58 displayMessage(context, title, errorMsg); 59 } 60 displayMessage(Context context, String title, String msg)61 public static void displayMessage(Context context, String title, String msg) { 62 if (DBG) log("displayMessage: msg=" + msg); 63 64 if (sDisplayMessageDialog != null) { 65 sDisplayMessageDialog.dismiss(); 66 } 67 68 // displaying system alert dialog on the screen instead of 69 // using another activity to display the message. This 70 // places the message at the forefront of the UI. 71 sDisplayMessageDialog = new AlertDialog.Builder(context) 72 .setIcon(android.R.drawable.ic_dialog_info) 73 .setTitle(title) 74 .setMessage(msg) 75 .setCancelable(true) 76 .create(); 77 78 sDisplayMessageDialog.getWindow().setType( 79 WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); 80 sDisplayMessageDialog.getWindow().addFlags( 81 WindowManager.LayoutParams.FLAG_DIM_BEHIND 82 | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON 83 | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 84 85 sDisplayMessageDialog.show(); 86 } 87 88 /** 89 * Dismiss the DisplayInfo record 90 */ dismissMessage()91 public static void dismissMessage() { 92 if (DBG) log("Dissmissing Display Info Record..."); 93 94 if (sDisplayMessageDialog != null) { 95 sDisplayMessageDialog.getWindow().clearFlags( 96 WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON 97 | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 98 sDisplayMessageDialog.dismiss(); 99 sDisplayMessageDialog = null; 100 } 101 } 102 log(String msg)103 private static void log(String msg) { 104 Log.d(LOG_TAG, "[PhoneDisplayMessage] " + msg); 105 } 106 } 107