FlexUI (WIP)

A iOS Layout Framework inspired by SwiftUI

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Requirements

• iOS 11
• Swift 5

Installation

CocoaPods

pod 'FlexUI'

Usage

Features

• SwiftUI-Like Syntax
• UIKit firendly
• Flexbox layout, backed by facebook/yoga
• Flexible text render, backed by meitu/MPITextKit
• Build-in Image Loading, backed by kean/Nuke
• Differentable ListView(UITableView, UICollectionView), backby ra1028/DifferenceKit

final class CounterDemoViewController: UIViewController, Component {

  typealias Body = AnyNode

  var fontSize: Int = 12

  override func viewDidLoad() {
    super.viewDidLoad()
    title = "Counter"
    view.backgroundColor = .white
    flex.render()
  }

  func body(with coordinator: SimpleCoordinator<CounterDemoViewController>) -> AnyNode {
    VStack(spacing: 20, justifyContent: .center, alignItems: .center) {
      Text("\(coordinator.content.fontSize)")
        .font(.boldSystemFont(ofSize: CGFloat(coordinator.content.fontSize)))
        .padding(UIEdgeInsets(top: 5, left: 8, bottom: 5, right: 8))
        .viewConfig { (label) in
          label.backgroundColor = .gray
        }
      HStack(spacing: 20) {
        Button("-1") {
          coordinator.update(animated: true) {
            $0.fontSize -= 1
          }
        }
        .viewReuseID("-")
        Button("+1") {
          coordinator.update(animated: true) {
            $0.fontSize += 1
          }
        }
        .viewReuseID("+")
      }
    }
    .width(.percent(100))
    .height(.percent(100))
    .asAnyNode
  }
}

More Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Author

[email protected]

Credits

• facebook/yoga
• ra1028/Carbon
• LinkedInAttic/LayoutKit
• meitu/MPITextKit
• kean/Nuke

License

FlexUI is available under the MIT license. See the LICENSE file for more info.