Installation

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Installation
Prerequisites: Flutter uses Android and iOS native SDKs to integrate kevin. infrastructure. Before proceeding further, please import SDK dependencies as it is described in the corresponding installation sections.
Extensive demo example on how to implement kevin. Flutter project can be found in our public github repository.
In order to use kevin. SDK in your Flutter application you need to initialize kevin. plugin and set up platform-specific MethodChannels.
Android
Override configureFlutterEngine method in your projects android/app/src/main/kotlin/your/app/MainActivity.kt file:
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class MainActivity: FlutterActivity() {
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    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
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        super.configureFlutterEngine(flutterEngine)
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        // Setup your custom theme which extends Theme.Kevin.Base
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        Kevin.setTheme(R.style.Theme_Kevin_Base)
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        // Set optional locale, default is phone locale
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        Kevin.setLocale(Locale("en"))
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        // Initialize required plugins with your callback urls
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        KevinAccountsPlugin.configure(
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            KevinAccountsConfiguration.builder()
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                .setCallbackUrl("https://your.callback.url")
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                .build()
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        )
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        KevinPaymentsPlugin.configure(
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            KevinPaymentsConfiguration.builder()
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                .setCallbackUrl("https://your.callback.url")
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                .build()
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        )
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        MethodChannel(
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            flutterEngine.dartExecutor.binaryMessenger,
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            "your.application.name/kevinChannel"
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        ).setMethodCallHandler { call, result ->
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            // TODO: Handle Flutter calls here
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        }
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    }
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}
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iOS
Override didFinishLaunchingWithOptions method in your projects ios/Runner/AppDelegate.swift file:
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@UIApplicationMain
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@objc class AppDelegate: FlutterAppDelegate {
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    override func application(
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        _ application: UIApplication,
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        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
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    ) -> Bool {
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        GeneratedPluginRegistrant.register(with: self)
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        let controller : FlutterViewController = window?.rootViewController as! FlutterViewController
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        // Setup your custom theme which extends KevinTheme
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        Kevin.shared.theme = KevinTheme()
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        // Set optional locale, default is English locale
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        Kevin.shared.locale = Locale(identifier: "en")
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        // Initialize required plugins with your callback urls
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        KevinAccountsPlugin.shared.configure(
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            KevinAccountsConfiguration.Builder(
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                callbackUrl: URL(string: "https://your.callback.url")!
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            ).build()
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        )
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        KevinInAppPaymentsPlugin.shared.configure(
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            KevinInAppPaymentsConfiguration.Builder(
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                callbackUrl: URL(string: "https://your.callback.url")!
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            ).build()
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        )
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        let kevinChannel = FlutterMethodChannel(
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            name: "your.application.name/kevinChannel",
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            binaryMessenger: controller.binaryMessenger
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        )
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        kevinChannel.setMethodCallHandler({
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            (call: FlutterMethodCall, result: @escaping FlutterResult) -> Void in
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            // TODO: Handle Flutter calls here
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        })
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        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
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    }
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}
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Last modified 4mo ago
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