Hey! I got to admit, we're kinda obsessed with Principle here in @Yalantis because it's a really powerful tool for UI prototyping and it's really easy to use. Check this cool animated adaptive contact screen and hit L if you love it and also feel free to speak up :) Cheers!
Also you may want to see how we implemented this transition in a code for iOS. In case you do, please visit our GitHub Repo