Merge pull request #315 from Adyen/feature/updateReadme

Update readme and align example returnUrl

README.md

@@ -47,15 +47,20 @@ release a new version when we need to.
 4. [Set up your webhooks](https://docs.adyen.com/development-resources/webhooks/) to get the payment
    outcome.
 
-Required versions:
+## Requirements:
 
 * [Checkout API v71](https://docs.adyen.com/api-explorer/Checkout/71/overview) or later.
-* [iOS 12](https://support.apple.com/en-us/118387) or later.
-* [Android 5.0](https://www.android.com/versions/lollipop-5-0/) or later with compileSdk set to 34.
-  Google will
-  change [target API level requirements](https://support.google.com/googleplay/android-developer/answer/11926878?hl=en)
-  for Google Play apps starting August 31 2024.
+
+#### Android 
+* [Android 5.0](https://www.android.com/versions/lollipop-5-0/) (API 21) or later.
 * [Kotlin 1.8](https://kotlinlang.org/docs/releases.html) or later.
+* Requires the usage of a `FlutterFragmentActivity` instead of the default `FlutterActivity` in the MainActivity of your [native Android](https://github.com/Adyen/adyen-flutter/blob/main/example/android/app/src/main/kotlin/com/adyen/checkout/flutter/example/MainActivity.kt) layer.
+
+#### iOS
+* [iOS 12](https://support.apple.com/en-us/118387) or later.
+* Add the return URL handler to your AppDelegate in your [native iOS](https://github.com/Adyen/adyen-flutter/blob/5301abab34773e820c4fd38be54d3bf4bb247fd6/example/ios/Runner/AppDelegate.swift#L18) layer.
+* Add a custom [URL scheme](https://developer.apple.com/documentation/xcode/defining-a-custom-url-scheme-for-your-app) that matches the returnUrl you use.
+
 
 ## Integration
 

example/ios/Runner/Info.plist

@@ -36,7 +36,7 @@
 			<string>com.adyen.adyen_checkout_example</string>
 			<key>CFBundleURLSchemes</key>
 			<array>
-				<string>flutter-ui-host</string>
+				<string>adyencheckout</string>
 			</array>
 		</dict>
 	</array>

example/lib/config.dart

@@ -28,7 +28,7 @@ class Config {
   static const Environment environment = Environment.test;
   static const String baseUrl = "checkout-test.adyen.com";
   static const String apiVersion = "v71";
-  static const String iOSReturnUrl = "flutter-ui-host://payments";
+  static const String iOSReturnUrl = "adyencheckout://com.adyen.adyen_checkout_example";
   static const GooglePayEnvironment googlePayEnvironment =
       GooglePayEnvironment.test;