圖片掃描

<span style="font-size:18px;">Uri imageUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;// 外部圖片
		ContentResolver contentResolver = MainActivity.this
				.getContentResolver();
		Cursor imagecursor = contentResolver.query(imageUri, null,
				MediaStore.Images.Media.MIME_TYPE + "=? or "
						+ MediaStore.Images.Media.MIME_TYPE + "=?",
				new String[] { "image/jpeg", "image/png" },
				MediaStore.Images.Media.DATE_MODIFIED);

		while (imagecursor.moveToNext()) {

			String path = imagecursor.getString(imagecursor
					.getColumnIndex(MediaStore.Images.Media.DATA));
			Log.i("-----Image----", path + "");
		}</span>
 

1. publicstatic List<VideoInfo> sysVideoList = null;// 視訊資訊集合
2. sysVideoList = new ArrayList<VideoInfo>();  
3. setVideoList();  
4.     privatevoid setVideoList() {  
5.         // MediaStore.Video.Thumbnails.DATA:視訊縮圖的檔案路徑
6.         String[] thumbColumns = { MediaStore.Video.Thumbnails.DATA,  
7.                 MediaStore.Video.Thumbnails.VIDEO_ID };  
8.         // MediaStore.Video.Media.DATA：視訊檔案路徑；
9.         // MediaStore.Video.Media.DISPLAY_NAME : 視訊檔名，如 testVideo.mp4
10.         // MediaStore.Video.Media.TITLE: 視訊標題 : testVideo
11.         String[] mediaColumns = { MediaStore.Video.Media._ID,  
12.                 MediaStore.Video.Media.DATA, MediaStore.Video.Media.TITLE,  
13.                 MediaStore.Video.Media.MIME_TYPE,  
14.                 MediaStore.Video.Media.DISPLAY_NAME };  
15.         cursor = managedQuery(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,  
16.                 mediaColumns, null, null, null);  
17.         if(cursor==null){  
18.             Toast.makeText(SystemVideoChooseActivity.this, "沒有找到可播放視訊檔案", 1).show();  
19.             return;  
20.         }  
21.         if (cursor.moveToFirst()) {  
22.             do {  
23.                 VideoInfo info = new VideoInfo();  
24.                 int id = cursor.getInt(cursor  
25.                         .getColumnIndex(MediaStore.Video.Media._ID));  
26.                 Cursor thumbCursor = managedQuery(  
27.                         MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI,  
28.                         thumbColumns, MediaStore.Video.Thumbnails.VIDEO_ID  
29.                                 + "=" + id, null, null);  
30.                 if (thumbCursor.moveToFirst()) {  
31.                     info.setThumbPath(thumbCursor.getString(thumbCursor  
32.                             .getColumnIndex(MediaStore.Video.Thumbnails.DATA)));  
33.                 }  
34.                 info.setPath(cursor.getString(cursor  
35.                         .getColumnIndexOrThrow(MediaStore.Video.Media.DATA)));  
36.                 info.setTitle(cursor.getString(cursor  
37.                         .getColumnIndexOrThrow(MediaStore.Video.Media.TITLE)));  
38.                 info.setDisplayName(cursor.getString(cursor  
39.                         .getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME)));  
40.                 LogUtil.log(TAG, "DisplayName:"+info.getDisplayName());  
41.                 info.setMimeType(cursor  
42.                         .getString(cursor  
43.                                 .getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE)));  
44.                 sysVideoList.add(info);  
45.             } while (cursor.moveToNext());  
46.         }  
47.     }  

<span style="font-size:18px;">sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://"  
                + Environment.getExternalStorageDirectory())));  </span>