Android Open Source - caddisfly-app-camera Audio Utils

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) TernUp Research Labs/*  ww w .  j  a  v  a  2  s . co m*/
 *
 * This file is part of Caddisfly
 *
 * Caddisfly is free software: you can redistribute it and modify it under the terms of
 * the GNU Affero General Public License (AGPL) as published by the Free Software Foundation,
 * either version 3 of the License or any later version.
 *
 * Caddisfly is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License included below for more details.
 *
 * The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>.
 */

package com.ternup.caddisfly.util;

import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.RingtoneManager;
import android.net.Uri;

import java.io.IOException;

public class AudioUtils {

    private AudioUtils() {
    }

    /**
     * Play an alarm sound on the device
     *
     * @param context The context
     * @return MediaPlayer
     */
    public static MediaPlayer playAlarmSound(Context context) {
        MediaPlayer mediaPlayer = new MediaPlayer();
        try {
            mediaPlayer.setDataSource(context, getAlarmUri());
            final AudioManager audioManager = (AudioManager) context
                    .getSystemService(Context.AUDIO_SERVICE);
            if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) != 0) {
                mediaPlayer.setAudioStreamType(AudioManager.STREAM_ALARM);
                mediaPlayer.prepare();
                mediaPlayer.start();
            }

            return mediaPlayer;
        } catch (IOException e) {
            return null;
        }
    }

    /**
     * Get an alarm sound. Try for an alarm. If none set, try notification, otherwise, ringtone.
     *
     * @return Alarm media uri
     */
    private static Uri getAlarmUri() {
        Uri alarm = RingtoneManager
                .getDefaultUri(RingtoneManager.TYPE_ALARM);
        if (alarm == null) {
            alarm = RingtoneManager
                    .getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
            if (alarm == null) {
                alarm = RingtoneManager
                        .getDefaultUri(RingtoneManager.TYPE_RINGTONE);
            }
        }
        return alarm;
    }

}

Java Source Code List

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