android implements Uri's method of getting the real path to File

This article illustrates how android implements Uri to convert real paths to File. Share to everybody for everybody reference. Specific implementation methods are as follows:

Uri uri = data.getData();
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);

Hopefully, this article has been helpful in your Android programming.