// Use this for initialization void Start() { InputField to = this.To.GetComponent <InputField>(); to.onEndEdit.AddListener(this.ToEndEdit); to.text = Singleton <WhatsAppModel> .Instance.To; InputField message = this.Message.GetComponent <InputField>(); message.onEndEdit.AddListener(this.MessageEndEdit); message.text = Singleton <WhatsAppModel> .Instance.Message; Button button = this.Send.GetComponent <Button>(); button.onClick.AddListener(this.SendClick); Sender = this.gameObject.AddComponent <WhatsAppMessaging>(); }