| // 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" | 
 |  | 
 | @interface NativeViewController () | 
 | @property int counter; | 
 | @property (weak, nonatomic) IBOutlet UILabel* incrementLabel; | 
 | @end | 
 |  | 
 | @implementation NativeViewController | 
 |  | 
 | - (void)viewDidLoad { | 
 |   [super viewDidLoad]; | 
 |   self.counter = 0; | 
 | } | 
 |  | 
 | - (IBAction)handleIncrement:(MDButton*)sender { | 
 |   [self.delegate didTapIncrementButton]; | 
 | } | 
 |  | 
 | - (void)didReceiveIncrement { | 
 |   self.counter++; | 
 |  | 
 |   NSString* text = [NSString stringWithFormat:@"Flutter button tapped %d %@.", | 
 |                                               self.counter, | 
 |                                               (self.counter == 1)? @"time" : @"times"]; | 
 |   self.incrementLabel.text = text; | 
 | } | 
 |  | 
 | @end |