// move init to application didFinishLaunchingWithOptions public override void Init() { Class clsU8SDK = Class.FindByName("U8SDK"); u8SDK = clsU8SDK.Call("sharedInstance").Cast <NSObject> (); u8User = u8SDK.valueForKey("defaultUser").Cast <NSObject> (); u8Pay = u8SDK.valueForKey("defaultPay").Cast <NSObject> (); u8SDK.Call("setupWithParams:", NSMutableDictionary.dictionary()); }