init method
Implementation
Future<void> init(String appName, String subTitle, String streamURL,
String playWhenReady, {Color? primaryColor}) async {
return await _channel.invokeMethod("initService", {
"appName": appName,
"subTitle": subTitle,
"streamURL": streamURL,
"playWhenReady": playWhenReady,
"primaryColor": primaryColor?.value
});
}