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  • UIKit
    Reads in 9 minutes

    UISheetPresentationController as in the Maps application

    In iOS 15, there are sheet-controllers. These are modal controllers that use a gesture to change height. You've seen these controllers in the «Maps» and «Stocks» apps.

  • UIKit
    Reads in 7 minutes

    SF Symbols 4 and Render Mode

    How Monochrome, Hierarchical, Palette, Multicolor Render work for SF Symbols. Code examples for UIKit and SwiftUI.

  • Development
    Reads in 2 minutes

    How to clear UserDefaults and Realm for Mac Catalyst

    How to clear data for Catalyst application including AppGroup, Realm and UserDefaults.

  • UIKit
    Reads in 6 minutes

    Edge Insets indents for UIButton

    How to add an indent between text and picture in UIButton. How to place an icon to the right of the text.

  • UIKit
    Reads in 11 minutes

    UIViewController Lifecycle

    Consider when controller methods are called and what you can do inside them. When to configure views and data.

  • App Store Connect
    Reads in 3 minutes

    Alternative icons for Product Page Optimization tests

    How to add alternative icons for A/B tests on the app page in the App Store.

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