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When designing for iPhone X, you must ensure that layouts fill the screen and aren't obscured by the device's rounded corners, its sensor housing, or the indicator for accessing the Home screen. Most apps that use standard, system-provided UI elements like navigation bars, tables, and collections automatically adapt to the
If you need information about the user, device, or environment, query the system for it whenever possible instead of asking the user. If you must provide settings that rarely require change, see Implementing an iOS Settings Bundle in Preferences and Settings Programming Guide for developer guidance. Provide shortcuts
Apps can use notifications to provide timely and important information anytime, whether the device is locked or in use. For example, notifications may occur when a message has arrived, an event is about to occur, new data is available, or the status of something has changed. People see notifications on the lock screen,
The status bar appears along the upper edge of the screen and displays useful information about the device's current state, like the time, cellular carrier, network status, and battery level. The actual information shown in the status bar varies depending on the device and system configuration. Use the system-provided status
If a user has enabled biometric authentication, you can assume they understand how it works, appreciate its convenience, and prefer to use it whenever possible. Bear in mind that people may choose to disable biometric authentication on their device, so your app should be prepared to handle this scenario. Present people
On-screen information is minimal, relevant, and requires little decision making. Voice interaction using Siri enables drivers to control many apps without taking their hands off the steering wheel or eyes off the road. Well-known iOS paradigms, including interface elements, icons, text appearance, and terminology provide a
Because device screen sizes vary, launch screen sizes vary too. To accommodate this To learn about implementing adaptable interfaces, see Auto Layout Guide. Design a People are likely to switch apps frequently, so design a launch screen that doesn't draw attention to the app launching experience. Don't advertise.
Auto Layout is a development tool for constructing adaptive interfaces. Using Auto Layout, you can define rules (known as constraints) that govern the content in your app. For example, you can constrain a button so it's always horizontally centered and positioned 8 points below an image, regardless of the available screen
A consistent app implements familiar standards and paradigms by using system-provided interface elements, well-known icons, standard text styles, and uniform terminology. The app incorporates Users experience direct manipulation when they rotate the device or use gestures to affect onscreen content. Through direct
If your app supports both portrait and landscape modes, it should launch using the device's current orientation. If your app only runs in one orientation, it should always launch in that orientation and let people rotate the device if necessary. Unless there's a compelling reason not to, an app in landscape mode should orient

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February 2018