Android多媒体分析-通过MediaStore获取Audio信息

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1.      public void getAlldata() {  
2.         ContentResolver cr = getApplication().getContentResolver();  
3.         if (cr == null) {  
4.             return;  
5.         }  
6.         // 获取所有歌曲  
7.         Cursor cursor = cr.query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,  
8.                 null, null, null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);  
9.         if (null == cursor) {  
10.             return;  
11.         }  
12.         Music music;  
13.         List<Music> list = new ArrayList<MainActivity.Music>();  
14.         if (cursor.moveToFirst()) {  
15.             do {  
16.                   
17.                 //歌曲名  
18.                 String title = cursor.getString(cursor  
19.                         .getColumnIndex(MediaStore.Audio.Media.TITLE));  
20.                   
21.                 //歌手  
22.                 String singer = cursor.getString(cursor  
23.                         .getColumnIndex(MediaStore.Audio.Media.ARTIST));  
24.                   
25.                 //专辑  
26.                 String album = cursor.getString(cursor  
27.                         .getColumnIndex(MediaStore.Audio.Media.ALBUM));  
28.                   
29.                 //长度  
30.                 long size = cursor.getLong(cursor  
31.                         .getColumnIndex(MediaStore.Audio.Media.SIZE));  
32.                   
33.                 //时长  
34.                 int duration = cursor.getInt(cursor  
35.                         .getColumnIndex(MediaStore.Audio.Media.DURATION));  
36.                   
37.                 //路径  
38.                 String url = cursor.getString(cursor  
39.                         .getColumnIndex(MediaStore.Audio.Media.DATA));  
40.                   
41.                 //显示的文件名  
42.                 String _display_name = cursor.getString(cursor  
43.                         .getColumnIndex(MediaStore.Audio.Media.DISPLAY_NAME));  
44.                   
45.                 //类型  
46.                 String mime_type = cursor.getString(cursor  
47.                         .getColumnIndex(MediaStore.Audio.Media.MIME_TYPE));  
48.                 music = new Music();  
49.                 music.setAlbum(album);  
50.                 music.setDuration(duration);  
51.                 music.setSinger(singer);  
52.                 music.setSize(size);  
53.                 music.setTitle(title);  
54.                 music.setUrl(url);  
55.                 music.set_display_name(_display_name);  
56.                 music.setMime_type(mime_type);  
57.                 list.add(music);  
58.             } while (cursor.moveToNext());  
59.         }  
60.         System.out.println(list.size());  
61.     }  
62.     class Music  
63.     {  
64.         private  String title;  
65.         private  String singer;  
66.         private  String album;  
67.         private  long size;  
68.         private  int duration;  
69.         private  String url;  
70.         private  String _display_name;  
71.         private String mime_type;  
72.           
73.         public String get_display_name() {  
74.             return _display_name;  
75.         }  
76.         public void set_display_name(String _display_name) {  
77.             this._display_name = _display_name;  
78.         }  
79.         public String getMime_type() {  
80.             return mime_type;  
81.         }  
82.         public void setMime_type(String mime_type) {  
83.             this.mime_type = mime_type;  
84.         }  
85.         public String getTitle() {  
86.             return title;  
87.         }  
88.         public void setTitle(String title) {  
89.             this.title = title;  
90.         }  
91.         public String getSinger() {  
92.             return singer;  
93.         }  
94.         public void setSinger(String singer) {  
95.             this.singer = singer;  
96.         }  
97.         public String getAlbum() {  
98.             return album;  
99.         }  
100.         public void setAlbum(String album) {  
101.             this.album = album;  
102.         }  
103.         public long getSize() {  
104.             return size;  
105.         }  
106.         public void setSize(long size) {  
107.             this.size = size;  
108.         }  
109.         public int getDuration() {  
110.             return duration;  
111.         }  
112.         public void setDuration(int duration) {  
113.             this.duration = duration;  
114.         }  
115.         public String getUrl() {  
116.             return url;  
117.         }  
118.         public void setUrl(String url) {  
119.             this.url = url;  
120.         }  
121.         @Override  
122.         public String toString() {  
123.             return "Music [title=" + title + ", singer=" + singer + ", album="  
124.                     + album + ", size=" + size + ", duration=" + duration  
125.                     + ", url=" + url + ", _display_name=" + _display_name  
126.                     + ", mime_type=" + mime_type + "]";  
127.         }  
128.           
129.     }  

Android多媒体分析-通过MediaStore获取Audio信息

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原文地址：http://www.cnblogs.com/Free-Thinker/p/4584952.html