public void listfiles(Activity act, File[] files) { ArrayList<HashMap<String, Object>> lstImageItem = new ArrayList<HashMap<String, Object>>(); List<File> fileList = new ArrayList<File>(); for (File file : files) { HashMap<String, Object> map = new HashMap<String, Object>(); String thumbnail_path = null; // get the thumbnail of the given picture String[] projection2 = { "_id" }; // "_data" System.out.println("s"); Uri uri2 = MediaStore.Images.Media.getContentUri("external"); System.out.println("huhuhuhuhu" + file.getPath()); String where = String.format("_data='%s'", "/mnt" + file.getPath()); System.out.println(where); Cursor c2 = Media.query(act.getContentResolver(), uri2, projection2, where, null); if (c2.moveToFirst()) { do { long image_id = c2.getLong(c2.getColumnIndexOrThrow("_id")); System.out.println("------------------>" + image_id); String[] projection = { "_data" }; Cursor c = Thumbnails.queryMiniThumbnail( act.getContentResolver(), image_id, Thumbnails.MINI_KIND, projection); if (c.moveToFirst()) { do { thumbnail_path = c.getString(c .getColumnIndexOrThrow("_data")); System.out.println("------------------>" + thumbnail_path); } while (c.moveToNext()); } // do some stuff } while (c2.moveToNext()); } map.put("ItemImage", thumbnail_path);// 添加图像资源的ID // map.put("ItemText", "默认相册" + file.getName());// 按序号做ItemText lstImageItem.add(map); fileList.add(file); } }
Android 根据所给的图片位置获得Thumbnail
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转载自badboywang.iteye.com/blog/1951633
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