#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC 7
#define TFT_CS 6
#define TFT_MOSI 11
#define TFT_CLK 13
#define TFT_RST 10
#define TFT_MISO 12
Adafruit_ILI9341 screen = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);

int current_screen = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(51, INPUT);

  //Screen Setup
  screen.begin();
  screen.fillScreen(ILI9341_BLACK);
  screen.setCursor(0, 0);
  screen.setTextColor(ILI9341_WHITE);  screen.setTextSize(3);
  screen.println("Hello World!");
  screen.fillRoundRect(35, 260, 60, 60, 10, ILI9341_RED);
}

void loop() {
  // put your main code here, to run repeatedly:
  int button = digitalRead(51);
  if (button && current_screen != 1) {
    current_screen = 1;
    screen.fillScreen(ILI9341_BLACK);
    screen.setCursor(60, 0);
    screen.println("Red App");
  }
  delay(10);
}