Android 查看图库指定路径的最新照片

 

            String DCIMPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).getAbsolutePath();

            ContentResolver mContentResolver = getActivity().getApplicationContext().getContentResolver();
            Cursor mCursor = mContentResolver.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                    new String[]{MediaStore.Images.Media._ID, MediaStore.Images.Media.DATA}, MediaStore.Images.Media.MIME_TYPE + "=? AND " + MediaStore.Images.Media.DATA + " like ? ",
                    new String[]{"image/jpeg", "%/DCIM/" + CameraFragment.ALBUM_NAME + "%"},
                    MediaStore.Images.Media.DATE_MODIFIED + " DESC"); // 降序排列

            if (mCursor != null) {
                while (mCursor.moveToNext()) {
                    // 打印LOG查看照片ID的值
                    long id = mCursor.getLong(mCursor.getColumnIndex(MediaStore.Images.Media._ID));
                    LogUtil.i("MediaStore.Images.Media_ID=" + id + "");

                    // 过滤掉不需要的图片，只获取拍照后存储照片的相册里的图片
                    String path = mCursor.getString(mCursor.getColumnIndex(MediaStore.Images.Media.DATA));
                    if (path.startsWith(DCIMPath + File.separator + ALBUM_NAME)) {
                        lastPhotoPath = path;
                        LogUtil.i("last photo path=" + lastPhotoPath);
                        break;
                    }
                }
                mCursor.close();
            }