Android将图片路径转换成URi

 /***
     * 将指定路径的图片转uri
     * @param context
     * @param path ，指定图片(或文件)的路径
     * @return
     */
public static Uri getMediaUriFromPath(Context context, String path) {
        Uri mediaUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        Cursor cursor = context.getContentResolver().query(mediaUri,
                null,
                MediaStore.Images.Media.DISPLAY_NAME + "= ?",
                new String[] {path.substring(path.lastIndexOf("/") + 1)},
                null);

        Uri uri = null;
        if(cursor.moveToFirst()) {
            uri = ContentUris.withAppendedId(mediaUri,
                    cursor.getLong(cursor.getColumnIndex(MediaStore.Images.Media._ID)));
        }
        cursor.close();
        return uri;
    }