1 /** 2 * Copyright (C) 2021 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.car.voicecontrol; 18 19 import android.app.PendingIntent; 20 import android.bluetooth.BluetoothDevice; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.util.Log; 24 25 import com.android.car.assist.CarVoiceInteractionSession; 26 import com.android.car.telephony.common.PhoneNumber; 27 28 import java.util.List; 29 30 /** 31 * Utility class for Direct Send SMS functionality. 32 */ 33 public final class DirectSendUtils { 34 private static final String TAG = "Mica.DirectSendUtils"; 35 36 public static final String AMBIGUOUS_RESULT = "AMBIGUOUS_RESULT"; 37 38 /** 39 * Callback interface used for chaining direct send user flow. 40 * See {@link VoicePlateActivity#askToDisambiguateDeviceAddress} and 41 * {@link VoicePlateActivity#askToDisambiguatePhoneNumber}. 42 */ 43 public interface ResultsCallback { 44 /** 45 * Callback used when user prompt is successful. 46 * @param results The resulting Strings from user disambiguation. 47 */ onSuccess(String... results)48 void onSuccess(String... results); 49 50 /** 51 * Callback used when user prompt is unsuccessful. 52 * @param error The error string to be presented. 53 */ onFailure(String error)54 void onFailure(String error); 55 } 56 57 /** 58 * Sends attached Pending Intent for SMS direct send. 59 */ sendSMS( Context context, PendingIntent pendingIntent, String address, String number, String message)60 public static void sendSMS( 61 Context context, 62 PendingIntent pendingIntent, 63 String address, 64 String number, 65 String message) { 66 Intent intent = new Intent(); 67 intent.putExtra(CarVoiceInteractionSession.KEY_PHONE_NUMBER, number); 68 intent.putExtra(CarVoiceInteractionSession.KEY_DEVICE_ADDRESS, address); 69 intent.putExtra(Intent.EXTRA_TEXT, message); 70 71 try { 72 Log.d(TAG, "Sending SMS Pending Intent"); 73 pendingIntent.send(context, 0, intent); 74 } catch (PendingIntent.CanceledException ex) { 75 Log.e(TAG, "Pending Intent canceled: " + ex); 76 } 77 } 78 79 /** 80 * Formats the user prompt string for number disambiguation. 81 */ formatNumberAskString(Context context, List<PhoneNumber> numbers)82 public static String formatNumberAskString(Context context, List<PhoneNumber> numbers) { 83 String str = context.getString(R.string.speech_reply_request_number); 84 String[] key = context.getResources().getStringArray(R.array.speech_reply_ordinals); 85 int i = 0; 86 for (PhoneNumber number : numbers) { 87 str += String.format(" Say %s for %s.", key[i], number.getRawNumber()); 88 i++; 89 if (i > 2) { 90 break; 91 } 92 } 93 94 return str; 95 } 96 97 /** 98 * Formats the user prompt string for device disambiguation. 99 */ formatDeviceAskString(Context context, List<BluetoothDevice> devices)100 public static String formatDeviceAskString(Context context, List<BluetoothDevice> devices) { 101 String str = context.getString(R.string.speech_reply_request_device); 102 String[] key = context.getResources().getStringArray(R.array.speech_reply_ordinals); 103 int i = 0; 104 for (BluetoothDevice device : devices) { 105 str += String.format(" Say %s for %s.", key[i], device.getName()); 106 i++; 107 if (i > 2) { 108 break; 109 } 110 } 111 112 return str; 113 } 114 } 115