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我的名片页面导航栏加了[下载]按钮 #2

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我的名片页面导航栏加了[下载]按钮 #2

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14 changes: 13 additions & 1 deletion HMQRCodeScanner/QRCode/HMScanerCardViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ @interface HMScanerCardViewController()

@implementation HMScanerCardViewController {
UIImageView *cardImageView;
UIBarButtonItem *downloadButton;
}

#pragma mark - 构造函数
Expand Down Expand Up @@ -50,13 +51,24 @@ - (void)viewDidLoad {

/// 准备导航栏
- (void)prepareNavigationBar {
// 1> 背景颜色
// 1> 背景图片
[self.navigationController.navigationBar setBarTintColor:[UIColor colorWithWhite:0.1 alpha:1.0]];
self.navigationController.navigationBar.translucent = YES;
self.navigationController.navigationBar.shadowImage = [[UIImage alloc] init];

// 2> 标题
self.title = @"我的名片";

// 3> 加个下载图片按钮
downloadButton = [[UIBarButtonItem alloc]initWithTitle:@"下载" style:UIBarButtonItemStyleBordered target:self action:@selector(downloadImage)];
self.navigationItem.rightBarButtonItem = downloadButton;
}

// 下载图片到用户相册
-(void)downloadImage {
UIImageWriteToSavedPhotosAlbum(cardImageView.image, self, nil, nil);
[downloadButton setTitle:@"已下载"];
self.navigationItem.rightBarButtonItem.enabled = NO;
}

@end