VoiceInteractionServiceInfo.java revision e70d6535237d2e6f03adcd0bdc11e45ea714dc97
1/* 2 * Copyright (C) 2014 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 17package android.service.voice; 18 19import android.Manifest; 20import android.app.AppGlobals; 21import android.content.ComponentName; 22import android.content.pm.PackageManager; 23import android.content.pm.ServiceInfo; 24import android.content.res.Resources; 25import android.content.res.TypedArray; 26import android.content.res.XmlResourceParser; 27import android.os.RemoteException; 28import android.util.AttributeSet; 29import android.util.Log; 30import android.util.Xml; 31import org.xmlpull.v1.XmlPullParser; 32import org.xmlpull.v1.XmlPullParserException; 33 34import java.io.IOException; 35 36/** @hide */ 37public class VoiceInteractionServiceInfo { 38 static final String TAG = "VoiceInteractionServiceInfo"; 39 40 private String mParseError; 41 42 private ServiceInfo mServiceInfo; 43 private String mSessionService; 44 private String mRecognitionService; 45 private String mSettingsActivity; 46 private boolean mSupportsAssist; 47 private boolean mSupportsLaunchFromKeyguard; 48 49 public VoiceInteractionServiceInfo(PackageManager pm, ComponentName comp) 50 throws PackageManager.NameNotFoundException { 51 this(pm, pm.getServiceInfo(comp, PackageManager.GET_META_DATA)); 52 } 53 54 public VoiceInteractionServiceInfo(PackageManager pm, ComponentName comp, int userHandle) 55 throws PackageManager.NameNotFoundException, RemoteException { 56 this(pm, AppGlobals.getPackageManager().getServiceInfo(comp, 57 PackageManager.GET_META_DATA, userHandle)); 58 } 59 60 public VoiceInteractionServiceInfo(PackageManager pm, ServiceInfo si) { 61 if (!Manifest.permission.BIND_VOICE_INTERACTION.equals(si.permission)) { 62 mParseError = "Service does not require permission " 63 + Manifest.permission.BIND_VOICE_INTERACTION; 64 return; 65 } 66 67 XmlResourceParser parser = null; 68 try { 69 parser = si.loadXmlMetaData(pm, VoiceInteractionService.SERVICE_META_DATA); 70 if (parser == null) { 71 mParseError = "No " + VoiceInteractionService.SERVICE_META_DATA 72 + " meta-data for " + si.packageName; 73 return; 74 } 75 76 Resources res = pm.getResourcesForApplication(si.applicationInfo); 77 78 AttributeSet attrs = Xml.asAttributeSet(parser); 79 80 int type; 81 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 82 && type != XmlPullParser.START_TAG) { 83 } 84 85 String nodeName = parser.getName(); 86 if (!"voice-interaction-service".equals(nodeName)) { 87 mParseError = "Meta-data does not start with voice-interaction-service tag"; 88 return; 89 } 90 91 TypedArray array = res.obtainAttributes(attrs, 92 com.android.internal.R.styleable.VoiceInteractionService); 93 mSessionService = array.getString( 94 com.android.internal.R.styleable.VoiceInteractionService_sessionService); 95 mRecognitionService = array.getString( 96 com.android.internal.R.styleable.VoiceInteractionService_recognitionService); 97 mSettingsActivity = array.getString( 98 com.android.internal.R.styleable.VoiceInteractionService_settingsActivity); 99 mSupportsAssist = array.getBoolean( 100 com.android.internal.R.styleable.VoiceInteractionService_supportsAssist, 101 false); 102 mSupportsLaunchFromKeyguard = array.getBoolean(com.android.internal. 103 R.styleable.VoiceInteractionService_supportsLaunchVoiceAssistFromKeyguard, 104 false); 105 array.recycle(); 106 if (mSessionService == null) { 107 mParseError = "No sessionService specified"; 108 return; 109 } 110 if (mRecognitionService == null) { 111 mParseError = "No recognitionService specified"; 112 return; 113 } 114 } catch (XmlPullParserException e) { 115 mParseError = "Error parsing voice interation service meta-data: " + e; 116 Log.w(TAG, "error parsing voice interaction service meta-data", e); 117 return; 118 } catch (IOException e) { 119 mParseError = "Error parsing voice interation service meta-data: " + e; 120 Log.w(TAG, "error parsing voice interaction service meta-data", e); 121 return; 122 } catch (PackageManager.NameNotFoundException e) { 123 mParseError = "Error parsing voice interation service meta-data: " + e; 124 Log.w(TAG, "error parsing voice interaction service meta-data", e); 125 return; 126 } finally { 127 if (parser != null) parser.close(); 128 } 129 mServiceInfo = si; 130 } 131 132 public String getParseError() { 133 return mParseError; 134 } 135 136 public ServiceInfo getServiceInfo() { 137 return mServiceInfo; 138 } 139 140 public String getSessionService() { 141 return mSessionService; 142 } 143 144 public String getRecognitionService() { 145 return mRecognitionService; 146 } 147 148 public String getSettingsActivity() { 149 return mSettingsActivity; 150 } 151 152 public boolean getSupportsAssist() { 153 return mSupportsAssist; 154 } 155 156 public boolean getSupportsLaunchFromKeyguard() { 157 return mSupportsLaunchFromKeyguard; 158 } 159} 160