Android/.svn/pristine/13/13208671aa4539c27717aa88a7a8dbbf2c22ce59.svn-base

package eVVM.apk.helper;

import android.content.Context;
import android.media.AudioManager;
import android.media.RingtoneManager;
import android.media.SoundPool;
import android.net.Uri;
import android.support.annotation.IntDef;
import android.support.annotation.NonNull;
import android.support.annotation.RawRes;


import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.HashMap;
import java.util.Map;

/**
 * <pre>
 *     author: Chestnut
 *     blog  : http://www.jianshu.com/u/a0206b5f4526
 *     time  : 2017/6/22 17:24
 *     desc  :  封装了SoundPool
 *     thanks To:   http://flycatdeng.iteye.com/blog/2120043
 *                  http://www.2cto.com/kf/201408/325318.html
 *                  https://developer.android.com/reference/android/media/SoundPool.html
 *     dependent on:
 *     update log:
 *              1.  2017年6月28日10:39:46
 *                  1）修复了当play指定的RingtoneName为空的时候，触发的一个bug
 *                  2）增加了一个默认的铃声，当找不到系统的默认铃声时候，会默认加载一个我们提供的一个默认铃声
 * </pre>
 */
public class SoundPoolHelper {

    /*常量*/
    public final static int TYPE_MUSIC = AudioManager.STREAM_MUSIC;
    public final static int TYPE_ALARM = AudioManager.STREAM_ALARM;
    public final static int TYPE_RING = AudioManager.STREAM_RING;
    @IntDef({TYPE_MUSIC, TYPE_ALARM, TYPE_RING})
    @Retention(RetentionPolicy.SOURCE)
    public @interface TYPE {}

    public final static int RING_TYPE_MUSIC = RingtoneManager.TYPE_ALARM;
    public final static int RING_TYPE_ALARM = RingtoneManager.TYPE_NOTIFICATION;
    public final static int RING_TYPE_RING = RingtoneManager.TYPE_RINGTONE;
    @IntDef({RING_TYPE_MUSIC, RING_TYPE_ALARM, RING_TYPE_RING})
    @Retention(RetentionPolicy.SOURCE)
    public @interface RING_TYPE {}

    /*变量*/
    private SoundPool soundPool;
    private int NOW_RINGTONE_TYPE = RingtoneManager.TYPE_NOTIFICATION;
    private int maxStream;
    private Map<String,Integer> ringtoneIds;

    /*方法*/

    public SoundPoolHelper() {
        this(1,TYPE_MUSIC);
    }

    public SoundPoolHelper(int maxStream) {
        this(maxStream,TYPE_ALARM);
    }

    public SoundPoolHelper(int maxStream,@TYPE int streamType) {
        soundPool = new SoundPool(maxStream,streamType,1);
        this.maxStream = maxStream;
        ringtoneIds = new HashMap<>();
    }

    /**
     * 设置RingtoneType，这只是关系到加载哪一个默认音频
     *  需要在load之前调用
     * @param ringtoneType  ringtoneType
     * @return  this
     */
    public SoundPoolHelper setRingtoneType(@RING_TYPE int ringtoneType) {
        NOW_RINGTONE_TYPE = ringtoneType;
        return this;
    }

    /**
     * 加载音频资源
     * @param context   上下文
     * @param resId     资源ID
     * @return  this
     */
    public SoundPoolHelper load(Context context,@NonNull String ringtoneName, @RawRes int resId) {
        if (maxStream==0)
            return this;
        maxStream--;
        ringtoneIds.put(ringtoneName,soundPool.load(context,resId,1));
        return this;
    }

    /**
     * 加载默认的铃声
     * @param context 上下文
     * @return  this
     */
    public SoundPoolHelper loadDefault(Context context) {
        Uri uri = getSystemDefaultRingtoneUri(context);
//        if (uri==null)
//            load(context,"default", R.raw.reminder);
//        else
//            load(context,"default",ConvertUtils.uri2Path(context,uri));
        return this;
    }

    /**
     * 加载铃声
     * @param context   上下文
     * @param ringtoneName 自定义铃声名称
     * @param ringtonePath 铃声路径
     * @return  this
     */
    public SoundPoolHelper load(Context context, @NonNull String ringtoneName, @NonNull String ringtonePath) {
        if (maxStream==0)
            return this;
        maxStream--;
        ringtoneIds.put(ringtoneName,soundPool.load(ringtonePath,1));
        return this;
    }

    /**
     *  int play(int soundID, float leftVolume, float rightVolume, int priority, int loop, float rate) ：
     *  1)该方法的第一个参数指定播放哪个声音；
     *  2) leftVolume 、
     *  3) rightVolume 指定左、右的音量：
     *  4) priority 指定播放声音的优先级，数值越大，优先级越高；
     *  5) loop 指定是否循环， 0 为不循环， -1 为循环；
     *  6) rate 指定播放的比率，数值可从 0.5 到 2 ， 1 为正常比率。
     */
    public void play(@NonNull String ringtoneName, boolean isLoop) {
        if (ringtoneIds.containsKey(ringtoneName)) {
            soundPool.play(ringtoneIds.get(ringtoneName),1,1,1,isLoop?-1:0,1);
        }
    }

    public void playDefault() {
        play("default",false);
    }

    /**
     * 释放资源
     */
    public void release() {
        if (soundPool!=null)
            soundPool.release();
    }

    /**
     * 获取系统默认铃声的Uri
     * @param context  上下文
     * @return  uri
     */
    private Uri getSystemDefaultRingtoneUri(Context context) {
        try {
            return RingtoneManager.getActualDefaultRingtoneUri(context, NOW_RINGTONE_TYPE);
        } catch (Exception e) {
            return null;
        }
    }
}