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.settings; 18 19 import android.app.Activity; 20 import android.content.Intent; 21 import android.os.Bundle; 22 import android.util.Log; 23 24 /** 25 * Activity for modifying a setting using the Voice Interaction API. This activity 26 * MUST only modify the setting if the intent was sent using 27 * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity startVoiceActivity}. 28 */ 29 abstract public class VoiceSettingsActivity extends Activity { 30 31 private static final String TAG = "VoiceSettingsActivity"; 32 33 @Override 34 public void onCreate(Bundle savedInstanceState) { 35 super.onCreate(savedInstanceState); 36 37 if (isVoiceInteraction()) { 38 // Only permit if this is a voice interaction. 39 onVoiceSettingInteraction(getIntent()); 40 } else { 41 Log.v(TAG, "Cannot modify settings without voice interaction"); 42 } 43 finish(); 44 } 45 46 /** 47 * Modify the setting as a voice interaction. The activity will finish 48 * after this method is called. 49 */ 50 abstract protected void onVoiceSettingInteraction(Intent intent); 51 } 52