AppDelegate

flutterEngine

let

flutterViewController

FlutterViewController

engine

flutterEngine

nibName

nil

bundle

nil

present

flutterViewController

animated

true

completion

nil

FlutterViewController.
The

@import

Flutter

#import "AppDelegate.h"
#import "ViewController.h"

@implementation

ViewController

void

viewDidLoad

super

viewDidLoad

];

// Make a button to call the showFlutter function when pressed.

UIButton

button

UIButton

buttonWithType