android中获取选择图片的路径

data.getData();
         Uri selectedImage = data.getData();
           String[] filePathColumn = { MediaStore.Images.Media.DATA };

           Cursor cursor = getContentResolver().query(selectedImage,
                   filePathColumn, null, null, null);
           cursor.moveToFirst();

           int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
           String picturePath = cursor.getString(columnIndex);
           cursor.close();