I've different sizes of images available under drawable, drawable-hdpi, 
drawable-xhdpi, drawable-xxhdpi etc.. and I'm using below snippet to 
retrieve the images' resource id in my android app.

int resid = res.getIdentifier("com.mypackage:drawable/" + 
selectedItem.getImageName(), null, null);

does this (getItentifier) method grantees that the respective image resource id 
(that suits the screen size of the device that runs this application) gets 
retrieved?

eg:- when the app is running on a phone, resource id of the image in the 
drawable-hdpi folder is retrieved. 
When the application runs on a tab, it returns the resource id of the image in 
the drawable-xhdpi (etc..)


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