src/com/android/tv/audiotvservice/AudioOnlyTvServiceUtil.java

/*
 * Copyright (C) 2018 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.tv.audiotvservice;

import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.support.annotation.MainThread;
import android.support.annotation.Nullable;
import android.util.Log;

/** Utility methods to start and stop audio only TV Player. */
public final class AudioOnlyTvServiceUtil {
    private static final String TAG = "AudioOnlyTvServiceUtil";
    private static final String EXTRA_INPUT_ID = "intputId";

    @MainThread
    public static void startAudioOnlyInput(Context context, String tvInputId) {
        Log.i(TAG, "startAudioOnlyInput");
        Intent intent = getIntent(context);
        if (intent == null) {
            return;
        }
        intent.putExtra(EXTRA_INPUT_ID, tvInputId);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            context.startForegroundService(intent);
        } else {
            context.startService(intent);
        }
    }

    @Nullable
    private static Intent getIntent(Context context) {
        try {
            return new Intent(
                    context, Class.forName("com.android.tv.audiotvservice.AudioOnlyTvService"));
        } catch (ClassNotFoundException e) {
            Log.wtf(TAG, e);
            return null;
        }
    }

    @MainThread
    public static void stopAudioOnlyInput(Context context) {
        Log.i(TAG, "stopForegroundService");
        context.stopService(getIntent(context));
    }

    @Nullable
    public static String getInputIdFromIntent(Intent intent) {
        return intent.getStringExtra(EXTRA_INPUT_ID);
    }

    private AudioOnlyTvServiceUtil() {}
}