从gallery获取图片并显示

protected void onActivityResult(int requestCode, int resultCode, Intent imageReturnedIntent) {     super.onActivityResult(requestCode, resultCode, imageReturnedIntent);     switch(requestCode) {     case REQ_CODE_PICK_IMAGE:         if(resultCode == RESULT_OK){               Uri selectedImage = imageReturnedIntent.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 filePath = cursor.getString(columnIndex);             cursor.close();             Bitmap yourSelectedImage = BitmapFactory.decodeFile(filePath);         }     } }