/**
* 获取一个mp3文件
*
* @param context
* @param _id
* @return
*/
public static Mp3Info getMp3Info(Context context, long _id) {
Cursor cursor =
context
.getContentResolver()
.query(
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
null,
MediaStore.Audio.Media._ID + "=" + _id,
null,
MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
Mp3Info mp3Info = null;
if (cursor.moveToNext()) {
mp3Info = new Mp3Info();
long id = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media._ID)); // 音乐id
String title =
cursor.getString((cursor.getColumnIndex(MediaStore.Audio.Media.TITLE))); // 音乐标题
String artist = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ARTIST)); // 艺术家
long duration = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media.DURATION)); // 时长
long size = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media.SIZE)); // 文件大小
String url = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.DATA)); // 文件路径
int isMusic = cursor.getInt(cursor.getColumnIndex(MediaStore.Audio.Media.IS_MUSIC)); // 是否为音乐
if (isMusic != 0) { // 只把音乐添加到集合当中
mp3Info.setId(id);
mp3Info.setTitle(title);
mp3Info.setArtist(artist);
mp3Info.setDuration(duration);
mp3Info.setSize(size);
mp3Info.setUrl(url);
}
}
cursor.close();
return mp3Info;
}
/**
* 获取多个
*
* @param context
* @return
*/
public static ArrayList<Mp3Info> getMp3Infos(Context context) {
Cursor cursor =
context
.getContentResolver()
.query(
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
null,
MediaStore.Audio.Media.DURATION + ">=180000",
null,
MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
ArrayList<Mp3Info> mp3Infos = new ArrayList<Mp3Info>();
for (int i = 0; i < cursor.getCount(); i++) {
cursor.moveToNext();
Mp3Info mp3Info = new Mp3Info();
long id = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media._ID)); // 音乐id
String title =
cursor.getString((cursor.getColumnIndex(MediaStore.Audio.Media.TITLE))); // 音乐标题
String artist = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ARTIST)); // 艺术家
long duration = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media.DURATION)); // 时长
long size = cursor.getLong(cursor.getColumnIndex(MediaStore.Audio.Media.SIZE)); // 文件大小
String url = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.DATA)); // 文件路径
int isMusic = cursor.getInt(cursor.getColumnIndex(MediaStore.Audio.Media.IS_MUSIC)); // 是否为音乐
if (isMusic != 0) { // 只把音乐添加到集合当中
mp3Info.setId(id);
mp3Info.setTitle(title);
mp3Info.setArtist(artist);
mp3Info.setDuration(duration);
mp3Info.setSize(size);
mp3Info.setUrl(url);
mp3Infos.add(mp3Info);
}
}
return mp3Infos;
}
