Android 从URI 到 File

Uri uri = data.getData();String path = uri.toString();ImageLoader.getInstance().displayImage(path, ivHead);// 上传头像String[] proj = { MediaStore.Images.Media.DATA };Cursor actualimagecursor = managedQuery(uri, proj, null, null, null);int actual_image_column_index = actualimagecursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);actualimagecursor.moveToFirst();String img_path = actualimagecursor.getString(actual_image_column_index);File file = new File(img_path);