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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.utils;
import android.app.Activity;
import android.app.Fragment;
import android.app.VoiceInteractor;
import android.app.VoiceInteractor.AbortVoiceRequest;
import android.app.VoiceInteractor.CompleteVoiceRequest;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import android.util.Log;
/**
* Activity for modifying a setting using the Voice Interaction API. This activity
* will only allow modifying the setting if the intent was sent using
* {@link android.service.voice.VoiceInteractionSession#startVoiceActivity startVoiceActivity}
* by the current Voice Interaction Service.
*/
abstract public class VoiceSettingsActivity extends Activity {
private static final String TAG = "VoiceSettingsActivity";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (isVoiceInteractionRoot()) {
// Only permit if this is a voice interaction.
if (onVoiceSettingInteraction(getIntent())) {
// If it's complete, finish.
finish();
}
} else {
Log.v(TAG, "Cannot modify settings without voice interaction");
finish();
}
}
/**
* Modify the setting as a voice interaction. Should return true if the
* voice interaction is complete or false if more interaction is required.
*/
abstract protected boolean onVoiceSettingInteraction(Intent intent);
/**
* Send a notification that the interaction was successful. If {@param prompt} is
* not null, then it will be read to the user.
*/
protected void notifySuccess(CharSequence prompt) {
if (getVoiceInteractor() != null) {
getVoiceInteractor().submitRequest(new CompleteVoiceRequest(prompt, null) {
@Override
public void onCompleteResult(Bundle options) {
finish();
}
});
}
}
/**
* Indicates when the setting could not be changed.
*/
protected void notifyFailure(CharSequence prompt) {
if (getVoiceInteractor() != null) {
getVoiceInteractor().submitRequest(new AbortVoiceRequest(prompt, null));
}
}
}
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