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haijiang

2018-09-19 82cc6c94fdc08b1814fbf7195e88cf335eed3e8d

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package com.moral.yunfushao.utils;
 
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.database.Cursor;
import android.os.Vibrator;
import android.provider.MediaStore;
 
import com.moral.yunfushao.model.Song;
 
import java.util.ArrayList;
 
/**
 * Created by Administrator on 2018/4/12.
 */
 
public class AudioUtils {
    /**
     * 获取sd卡所有的音乐文件
     *
     * @return
     * @throws Exception
     */
    public static ArrayList<Song> getAllSongs(Context context) {
        ArrayList<Song> songs = null;
        Cursor cursor = context.getContentResolver().query(
                MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                new String[] { MediaStore.Audio.Media._ID,
                        MediaStore.Audio.Media.DISPLAY_NAME,
                        MediaStore.Audio.Media.TITLE,
                        MediaStore.Audio.Media.DURATION,
                        MediaStore.Audio.Media.ARTIST,
                        MediaStore.Audio.Media.ALBUM,
                        MediaStore.Audio.Media.YEAR,
                        MediaStore.Audio.Media.MIME_TYPE,
                        MediaStore.Audio.Media.SIZE,
                        MediaStore.Audio.Media.DATA },
                MediaStore.Audio.Media.MIME_TYPE + "=? or "
                        + MediaStore.Audio.Media.MIME_TYPE + "=?",
                new String[] { "audio/mpeg", "audio/x-ms-wma" }, null);
 
        songs = new ArrayList<Song>();
 
        if (cursor.moveToFirst()) {
            Song song = null;
            do {
                song = new Song();
                // 文件名
                song.setFileName(cursor.getString(1));
                // 歌曲名
                song.setTitle(cursor.getString(2));
                // 时长
                song.setDuration(cursor.getInt(3));
                // 歌手名
                song.setSinger(cursor.getString(4));
                // 专辑名
                song.setAlbum(cursor.getString(5));
                // 年代
                if (cursor.getString(6) != null) {
                    song.setYear(cursor.getString(6));
                } else {
                    song.setYear("未知");
                }
                // 歌曲格式
                if ("audio/mpeg".equals(cursor.getString(7).trim())) {
                    song.setType("mp3");
                } else if ("audio/x-ms-wma".equals(cursor.getString(7).trim())) {
                    song.setType("wma");
                }
                // 文件大小
                if (cursor.getString(8) != null) {
                    float size = cursor.getInt(8) / 1024f / 1024f;
                    song.setSize((size + "").substring(0, 4) + "M");
                } else {
                    song.setSize("未知");
                }
                // 文件路径
                if (cursor.getString(9) != null) {
                    song.setFileUrl(cursor.getString(9));
                }
                songs.add(song);
            } while (cursor.moveToNext());
            cursor.close();
        }
        return songs;
    }
 
 
    //震动milliseconds毫秒
    public static void vibrate(final Activity activity, long milliseconds) {
        Vibrator vib = (Vibrator) activity.getSystemService(Service.VIBRATOR_SERVICE);
        vib.vibrate(milliseconds);
    }
    //以pattern[]方式震动
    public static void vibrate(final Activity activity, long[] pattern,int repeat){
        Vibrator vib = (Vibrator) activity.getSystemService(Service.VIBRATOR_SERVICE);
        vib.vibrate(pattern,repeat);
    }
    //取消震动
    public static void virateCancle(final Activity activity){
        Vibrator vib = (Vibrator) activity.getSystemService(Service.VIBRATOR_SERVICE);
        vib.cancel();
    }
}