Added notes regarding Android Embedding V2.

README.md

@@ -13,7 +13,9 @@ _Rate my app_ is really inspired by [Android-Rate](https://github.com/hotchemi/A
 
 ### Installation
 
-To target an iOS version before _10.3_, add this in your `Info.plist` :
+If you're building your app for Android, you need to migrate your app to the [Android Embedding V2](https:https://github.com/flutter/flutter/wiki/Upgrading-pre-1.12-Android-projects).
+
+On iOS, if you want to target a version before _10.3_, add this in your `Info.plist` :
 
 ```xml
 <key>LSApplicationQueriesSchemes</key>

android/src/main/kotlin/fr/skyost/rate_my_app/RateMyAppPlugin.kt

@@ -24,14 +24,6 @@ import io.flutter.plugin.common.PluginRegistry.Registrar
  * A lot of thanks to https://github.com/britannio/in_app_review and its author (This class is a lot inspired by it).
  */
 public class RateMyAppPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
- companion object {
- @JvmStatic
- fun registerWith(registrar: Registrar) {
- val channel = MethodChannel(registrar.messenger(), "rate_my_app")
- channel.setMethodCallHandler(RateMyAppPlugin())
- }
- }
-
  private var activity: Activity? = null
  private var context: Context? = null
  private lateinit var channel: MethodChannel