Scale Types Values in ImageView Widget

An ImageView can display an image differently based on the scaleType provided. Above we discussed the fitXY type along with adjustViewBounds to match the aspect ratio of the drawable. The following is a list of all the most common types:

Note: The fitXY scale type allows you to set the exact size of the image in your layout. However, be mindful of potential distortions of the image due to scaling. If you’re creating a photo-viewing application, you will probably want to use the center or fitCenter scale types.


Source: https://guides.codepath.com/android/Working-with-the-ImageView