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 17 package com.android.test.soundtrigger; 18 19 import android.annotation.Nullable; 20 import android.content.Context; 21 import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel; 22 import android.media.soundtrigger.SoundTriggerDetector; 23 import android.media.soundtrigger.SoundTriggerManager; 24 import android.os.RemoteException; 25 import android.os.ServiceManager; 26 import android.os.ParcelUuid; 27 import android.util.Log; 28 29 import com.android.internal.app.ISoundTriggerService; 30 31 import java.lang.RuntimeException; 32 import java.util.UUID; 33 34 /** 35 * Utility class for the managing sound trigger sound models. 36 */ 37 public class SoundTriggerUtil { 38 private static final String TAG = "SoundTriggerTestUtil"; 39 40 private final ISoundTriggerService mSoundTriggerService; 41 private final SoundTriggerManager mSoundTriggerManager; 42 private final Context mContext; 43 SoundTriggerUtil(Context context)44 public SoundTriggerUtil(Context context) { 45 mSoundTriggerService = ISoundTriggerService.Stub.asInterface( 46 ServiceManager.getService(Context.SOUND_TRIGGER_SERVICE)); 47 mSoundTriggerManager = (SoundTriggerManager) context.getSystemService( 48 Context.SOUND_TRIGGER_SERVICE); 49 mContext = context; 50 } 51 52 /** 53 * Adds/Updates a sound model. 54 * The sound model must contain a valid UUID. 55 * 56 * @param soundModel The sound model to add/update. 57 */ addOrUpdateSoundModel(GenericSoundModel soundModel)58 public boolean addOrUpdateSoundModel(GenericSoundModel soundModel) { 59 try { 60 if (soundModel == null) { 61 throw new RuntimeException("Bad sound model"); 62 } 63 mSoundTriggerService.updateSoundModel(soundModel); 64 } catch (RemoteException e) { 65 Log.e(TAG, "RemoteException in updateSoundModel", e); 66 } 67 return true; 68 } 69 70 /** 71 * Gets the sound model for the given keyphrase, null if none exists. 72 * If a sound model for a given keyphrase exists, and it needs to be updated, 73 * it should be obtained using this method, updated and then passed in to 74 * {@link #addOrUpdateSoundModel(GenericSoundModel)} without changing the IDs. 75 * 76 * @param modelId The model ID to look-up the sound model for. 77 * @return The sound model if one was found, null otherwise. 78 */ 79 @Nullable getSoundModel(UUID modelId)80 public GenericSoundModel getSoundModel(UUID modelId) { 81 GenericSoundModel model = null; 82 try { 83 model = mSoundTriggerService.getSoundModel(new ParcelUuid(modelId)); 84 } catch (RemoteException e) { 85 Log.e(TAG, "RemoteException in updateKeyphraseSoundModel"); 86 } 87 88 if (model == null) { 89 Log.w(TAG, "No models present for the given keyphrase ID"); 90 return null; 91 } else { 92 return model; 93 } 94 } 95 96 /** 97 * Deletes the sound model for the given keyphrase id. 98 * 99 * @param modelId The model ID to look-up the sound model for. 100 * @return {@code true} if the call succeeds, {@code false} otherwise. 101 */ deleteSoundModel(UUID modelId)102 public boolean deleteSoundModel(UUID modelId) { 103 try { 104 mSoundTriggerService.deleteSoundModel(new ParcelUuid(modelId)); 105 } catch (RemoteException e) { 106 Log.e(TAG, "RemoteException in deleteSoundModel"); 107 return false; 108 } 109 return true; 110 } 111 createSoundTriggerDetector(UUID modelId, SoundTriggerDetector.Callback callback)112 public SoundTriggerDetector createSoundTriggerDetector(UUID modelId, 113 SoundTriggerDetector.Callback callback) { 114 return mSoundTriggerManager.createSoundTriggerDetector(modelId, callback, null); 115 } 116 } 117