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