Android Multimedia Analytics-get audio information via Mediastore

[Java]View Plaincopy

2. public void Getalldata () {
4. Contentresolver CR = Getapplication (). Getcontentresolver ();
6. if (cr = = null) {
8. return;
10. }
12. //Get All songs
14. cursor cursor = cr.query (MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
16. NULL, null, null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
18. if (null = = cursor) {
20. return;
22. }
24. Music Music;
26. list<music> list = new arraylist<mainactivity.music> ();
28. if (Cursor.movetofirst ()) {
30. Do {
34. //Song name
36. String title = cursor.getstring (cursor
38. . Getcolumnindex (MediaStore.Audio.Media.TITLE));
42. //singer
44. String singer = cursor.getstring (cursor
46. . Getcolumnindex (MediaStore.Audio.Media.ARTIST));
50. //albums
52. String album = cursor.getstring (cursor
54. . Getcolumnindex (MediaStore.Audio.Media.ALBUM));
58. //Length
60. Long size = Cursor.getlong (cursor
62. . Getcolumnindex (MediaStore.Audio.Media.SIZE));
66. //Time length
68. int duration = cursor.getint (cursor
70. . Getcolumnindex (MediaStore.Audio.Media.DURATION));
74. //Path
76. String URL = cursor.getstring (cursor
78. . Getcolumnindex (MediaStore.Audio.Media.DATA));
82. //display filename
84. String _display_name = cursor.getstring (cursor
86. . Getcolumnindex (MediaStore.Audio.Media.DISPLAY_NAME));
90. //Type
92. String Mime_type = cursor.getstring (cursor
94. . Getcolumnindex (MediaStore.Audio.Media.MIME_TYPE));
96. Music = new Music ();
98. Music.setalbum (album);
100. Music.setduration (duration);
102. Music.setsinger (singer);
104. Music.setsize (size);
106. Music.settitle (title);
108. Music.seturl (URL);
110. Music.set_display_name (_display_name);
112. Music.setmime_type (Mime_type);
114. List.add (music);
116. } while (Cursor.movetonext ());
118. }
120. System.out.println (List.size ());
122. }
124. class Music
126. {
128. private String title;
130. private String singer;
132. Private String album;
134. private long size;
136. private int duration;
138. private String URL;
140. private String _display_name;
142. private String Mime_type;
146. Public String Get_display_name () {
148. return _display_name;
150. }
152. public void Set_display_name (String _display_name) {
154. this._display_name = _display_name;
156. }
158. Public String Getmime_type () {
160. return mime_type;
162. }
164. public void Setmime_type (String mime_type) {
166. this.mime_type = Mime_type;
168. }
170. Public String GetTitle () {
172. return title;
174. }
176. public void Settitle (String title) {
178. this.title = title;
180. }
182. Public String Getsinger () {
184. return singer;
186. }
188. public void Setsinger (String singer) {
190. This.singer = singer;
192. }
194. Public String Getalbum () {
196. return album;
198. }
200. public void Setalbum (String album) {
202. this.album = album;
204. }
206. public Long GetSize () {
208. return size;
210. }
212. public void SetSize (long size) {
214. this.size = size;
216. }
218. public int getduration () {
220. return duration;
222. }
224. public void Setduration (int duration) {
226. this.duration = Duration;
228. }
230. Public String GetUrl () {
232. return URL;
234. }
236. public void SetUrl (String url) {
238. this.url = URL;
240. }
242. @Override
244. Public String toString () {
246. return "Music [title=] + title + ", singer= "+ singer + ", album= "
248. + album + ", size=" + size + ", duration=" + Duration
250. + ", url=" + URL + ", _display_name=" + _display_name
252. + ", mime_type=" + Mime_type + "]";
254. }
258. }

http://blog.csdn.net/lzh7752/article/details/45131539

Android Multimedia Analytics-get audio information via Mediastore