https://github.com/thomasfredericks/Metro-Arduino-Wiring

/*
   -- Led toggle button with text --

   This source code of graphical user interface
   has been generated automatically by RemoteXY editor.
   To compile this code using RemoteXY library 2.4.3 or later version
   download by link http://remotexy.com/en/library/
   To connect using RemoteXY mobile app by link http://remotexy.com/en/download/
     - for ANDROID 4.5.1 or later version;
     - for iOS 1.4.1 or later version;

   This source code is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
*/

//////////////////////////////////////////////
//        RemoteXY include library          //
//////////////////////////////////////////////

// RemoteXY select connection mode and include library 
#define REMOTEXY_MODE__ESP8266WIFI_LIB_POINT
#include <ESP8266WiFi.h>

#include <RemoteXY.h>

// RemoteXY connection settings 
#define REMOTEXY_WIFI_SSID "RemoteXY"
#define REMOTEXY_WIFI_PASSWORD "12345678"
#define REMOTEXY_SERVER_PORT 6377


// RemoteXY configurate  
#pragma pack(push, 1)
uint8_t RemoteXY_CONF[] =
{ 255,1,0,55,0,71,0,10,8,0,
67,0,50,22,41,7,135,26,21,67,
0,50,22,41,7,37,26,21,1,1,
8,20,34,11,2,31,0,65,46,7,
20,36,11,129,0,30,6,40,4,94,
87,65,82,72,69,65,68,32,65,67,
84,73,86,65,84,73,79,78,0,67,
1,10,23,31,5,8,26,11 };

// this structure defines all the variables and events of your control interface 
struct {

    // input variables
    uint8_t button_1; // =1 if button pressed, else =0 

      // output variables
    char disarmed_text[21];  // string UTF8 end zero 
    char armed_text[21];  // string UTF8 end zero 
    uint8_t led_1_r; // =0..255 LED Red brightness 
    uint8_t led_1_g; // =0..255 LED Green brightness 
    char button_text[11];  // string UTF8 end zero 

      // other variable
    uint8_t connect_flag;  // =1 if wire connected, else =0 

} RemoteXY;
#pragma pack(pop)


/////////////////////////////////////////////
//           END RemoteXY include          //
/////////////////////////////////////////////

#define PIN_BUTTON_1 13

#include <Metro.h>
Metro debounce =  Metro(300);

void setup()
{
    RemoteXY_Init();

    pinMode(PIN_BUTTON_1, OUTPUT);
    RemoteXY.led_1_r = 255;
    strcpy(RemoteXY.button_text, "DIS-ARMED");
    strcpy(RemoteXY.disarmed_text, "NUCLEAR WARHEAD");
    strcpy(RemoteXY.armed_text, "");
    


    // TODO you setup code
    debounce.reset();
}

void loop()
{
    RemoteXY_Handler();

    if (RemoteXY.button_1 == 1)
        if (debounce.check()) {
            if (RemoteXY.led_1_g > 0)
            {
                RemoteXY.led_1_g = 0;
                RemoteXY.led_1_r = 255;
                strcpy(RemoteXY.button_text, "DIS-ARMED");
                strcpy(RemoteXY.disarmed_text, "NUCLEAR WARHEAD");
                strcpy(RemoteXY.armed_text, "");
            }
            else
            {
                RemoteXY.led_1_g = 255;
                RemoteXY.led_1_r = 0;
                strcpy(RemoteXY.button_text, "ARMED");
                strcpy(RemoteXY.armed_text, "NUCLEAR WARHEAD");
                strcpy(RemoteXY.disarmed_text, "");
            }
            debounce.reset();
        }

    // TODO you loop code
    // use the RemoteXY structure for data transfer
    // do not call delay() 


}