// Copyright 2017 The Chromium Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.#import <Foundation/Foundation.h>#import "NativeViewController.h"#import "MDButton.h"@interfaceNativeViewController()@propertyintcounter;@property(weak,nonatomic)IBOutletUILabel*incrementLabel;@end@implementationNativeViewController-(void)viewDidLoad{[superviewDidLoad];self.counter=0;}-(IBAction)handleIncrement:(MDButton*)sender{[self.delegatedidTapIncrementButton];}-(void)didReceiveIncrement{self.counter++;NSString*text=[NSStringstringWithFormat:@"Flutter button tapped %d %@.",self.counter,(self.counter==1)?@"time":@"times"];self.incrementLabel.text=text;}@end