android 获取sd卡视频文件格式,获取SD卡视频文件缩略图

Java代码

1privateBitmapcreateVideoThumbnail(StringfilePath){

2Bitmapbitmap=null;

3MediaMetadataRetrieverretriever=newMediaMetadataRetriever();

4try{

5retriever.setMode(MediaMetadataRetriever.MODE_CAPTURE_FRAME_ONLY);

6retriever.setDataSource(filePath);

7bitmap=retriever.captureFrame();

8}catch(IllegalArgumentExceptionex){

9//Assumethisisacorruptvideofile

10}catch(RuntimeExceptionex){

11//Assumethisisacorruptvideofile.

12}finally{

13try{

14retriever.release();

15}catch(RuntimeExceptionex){

16//Ignorefailureswhilecleaningup.

17}

18}

19returnbitmap;

20}

21

22privatevoidgetVideoFile(finalListlist)

23{

24Bitmapbitmap=null;

25

26ContentResolvermContentResolver=this.getContentResolver();

27Cursorcursor=mContentResolver.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,null,

28null,null,MediaStore.Video.DEFAULT_SORT_ORDER);

29

30

31

32if(cursor.moveToFirst())

33{

34do{

35//ID：MediaStore.Audio.Media._ID

36intid=cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID));

37

38//名称：MediaStore.Audio.Media.TITLE

39Stringtilte=cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.TITLE));

40

41//专辑名：MediaStore.Audio.Media.ALBUM

42Stringalbum=cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.ALBUM));

43

44

45//歌手名：MediaStore.Audio.Media.ARTIST

46Stringartist=cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.ARTIST));

47

48//路径：MediaStore.Audio.Media.DATA

49Stringurl=cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA));

50

51//总播放时长：MediaStore.Audio.Media.DURATION

52intduration=cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DURATION));

53

54//大小：MediaStore.Audio.Media.SIZE

55intsize=(int)cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.SIZE));

56

57//拍摄时间

58intdateTaken=cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATE_TAKEN));

59Stringdatetime=DateFormat.format("yyyy-MM-ddkk:mm:ss",dateTaken).toString();

60

61bitmap=createVideoThumbnail(url);

62

63}

MediaMetadataRetriever.Java 应放在工程的：Android.media下面