Image can support an array of sources, one of which is selected based on the layout dimensions of the image.

https://facebook.github.io/react-native/docs/image.html#source
https://github.com/facebook/react-native/blob/master/Libraries/Image/Image.ios.js
https://github.com/facebook/react-native/blob/master/Libraries/Image/Image.android.js