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Developer finds unused one-handed iPhone keyboard in iOS system code, activated by edge swipes
Prolific Apple hacker/developer Steve Troughton-Smith last night posted on Twitter that he has found a one-handed mode for the iPhone keyboard, hacking the iOS Simulator to demo the unreleased feature as shown above. The code has apparently been in the system since iOS 8 but is yet to be released as a public-facing feature.The one-handed keyboard mode is activated by an edge swipe on the keys, revealing a sidebar of cut/copy/paste controls and squishing the other keys down to the side. This would make it much easier for the user to stretch their thumb across the entire width of the alphabet keys, improving one-handed use on larger iPhones.Inside iOS code since iOS 8 implies that Apple was testing the feature alongside the development of the iPhone 6 and iPhone 6 Plus, which introduced dramatically larger 4.7 inch and 5.5 inch screens to the iPhone lineup back in 2014. Obviously, the feature was not considered that important as it is yet to ship.iOS code includes a lot of disabled work-in-progress stuff but the one-handed keyboard seems to be in an almost final form (the animation could use some work, granted). The user can swipe from either the left or right edge to reveal the sidebar at either side of the screen, so that the feature is compatible with both left-handed and right-handed use.Steve Troughton Smith recorded a video of the hacked iOS Simulator to demo the feature. In theory, this same interface could be exposed on a jailbroken iPhone today.