Flutter for Beginners

Implementing the iOS plugin

On the iOS side, the Swift code looks similar to the Kotlin code:

// SwiftHandsOnPlatformVersionPlugin.swiftpublic class SwiftHandsOnPlatformVersionPlugin: NSObject, FlutterPlugin {  public static func register(with registrar: FlutterPluginRegistrar) {   // 1    let channel = FlutterMethodChannel(name: "hands_on_platform_version",     binaryMessenger: registrar.messenger())    let instance = SwiftHandsOnPlatformVersionPlugin()    registrar.addMethodCallDelegate(instance, channel: channel)  }  public func handle(_ call: FlutterMethodCall, result: @escaping   FlutterResult) {    result("iOS " + UIDevice.current.systemVersion)  }}

The process looks similar to Android, but there are some small differences:

• The handle method is the iOS ...