iOS中调用系统相册以及使用系统相册的照片

最新推荐文章于 2021-11-27 11:53:59 发布

转载最新推荐文章于 2021-11-27 11:53:59 发布 · 128 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/cityingma/p/4883401.html

本文介绍了一个iOS应用中实现从相册选择图片并进行编辑的功能。通过使用UIImagePickerController，可以轻松地让用户从设备的相册中挑选图片，并提供简单的编辑选项。代码展示了如何设置图片选择控制器以及如何处理用户的选择。

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#import "ViewController.h"

@interface ViewController ()<UINavigationControllerDelegate,UIImagePickerControllerDelegate>
@property (nonatomic,strong)UIImageView *headImageView;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.headImageView = [[UIImageView alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
    _headImageView.backgroundColor = [UIColor yellowColor];
    _headImageView.layer.cornerRadius = 50;
    _headImageView.layer.masksToBounds = YES;
    _headImageView.tag = 101;
    [self.view addSubview:_headImageView];
    
    _headImageView.userInteractionEnabled = YES;
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];
    [_headImageView addGestureRecognizer:tap];
    
    
    
    
    // Do any additional setup after loading the view, typically from a nib.
}

- (void)tapAction:(UIImageView*)sender
{
    UIImagePickerController *imagePicker = [[UIImagePickerController alloc]init];
    imagePicker.allowsEditing = YES;
    imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    imagePicker.delegate = self;
    [self presentViewController:imagePicker animated:YES completion:^{
        NSLog(@"打开相册");
    }];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
    [picker dismissViewControllerAnimated:YES completion:^{
        NSLog(@"取消");
    }];
}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    _headImageView.image = info[UIImagePickerControllerEditedImage];
    NSLog(@"%@",info);
    [picker dismissViewControllerAnimated:YES completion:^{
        NSLog(@"选照片");
    }];
    
    
    
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

转载于:https://www.cnblogs.com/cityingma/p/4883401.html