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I've built a couple different apps now and they both exhibit this same problem. On app start up, the app content sits correctly.. but then when I turn the ipad to landscape and back to portrait the content drops down around 20 pixels, causing the bottom navigation bar to only be partially visible.<br />
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There must be something silly I'm missing, and ideas much appreciated =)
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I've built a couple different apps now and they both exhibit this same problem. On app start up, the app content sits correctly.. but then when I turn the ipad to landscape and back to portrait the content drops down around 20 pixels, causing the bottom navigation bar to only be partially visible.

There must be something silly I'm missing, and ideas much appreciated =)

Why does my content drop (15px) after I turn the ipad to landscape and back to portrait?

Swift is a compiled programming language created for iOS, OS X, watchOS, tvOS and Linux development by Apple Inc. Swift is designed to work with Apple's Cocoa and Cocoa Touch frameworks and the large body of existing Objective-C code written for Apple products. Swift is intended to be more resilient to erroneous code ("safer") than Objective-C and also more concise. It is built with the LLVM compiler framework included in Xcode 6 and later and uses the Objective-C runtime, which allows C, Objective-C, C++ and Swift code to run within a single program. A second free implementation of Swift targets Microsoft's Common Language Infrastructure (a.k.a. .NET) and the Java/Android platform.

Swift Programming

iPad is an iOS-based line of tablet computers built around the device's multi-touch screen, including a virtual keyboard. The iPad includes built-in Wi-Fi and cellular connectivity on select models. An iPad can shoot video, take photos, play music, and perform Internet functions such as web-browsing and emailing. Other functions – games, reference, GPS navigation, social networking, etc. – can be enabled by downloading and installing apps.