With smartphone screen sizes increasing, developers have to make sure they can find ways to prepare the UI for one-hand usage. Today, it is discovered that Apple has already been working on a one-handed keyboard that can be (eventually) activated via edge-swipe. The feature has yet to be completed though.
15 Games & Apps to Get the Most Out of iMessages in iOS 10
iOS users can now do more on Messages than ever before, sprinkle conversations with stickers of their favorite…Read more
Developer Steve Troughton-Smith who discovered the existence of this keyboard inside Apple’s iOS simulator, says that this the code for this feature has existed in the iOS Xcode since iOS 8. However, Apple yet to announce the implementation of the feature.
The one-handed keyboard can be activated with swipes from the edge of the keyboard. This would cause iOS to pull all the keys to one side or the other. You can see this in the gif below.