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iOS-从系统相册获取照片(图片)

来源:二三四教育网

在我们的开发中,有的app需要从系统相册中获取图片,如设置用户头像等,下面分享这个功能的实现,先上代码:


#import "ViewController.h"

@interface ViewController ()<UINavigationControllerDelegate,UIImagePickerControllerDelegate>

@property (weak, nonatomic) IBOutlet UIImageView *IconView;

@end

@implementation ViewController

- (IBAction)chooseImage {
    
    //弹出系统相册
    UIImagePickerController *pickVC = [[UIImagePickerController alloc] init];
    
    //设置照片来源
    pickVC.sourceType =  UIImagePickerControllerSourceTypeSavedPhotosAlbum;
    pickVC.delegate = self;
    [self presentViewController:pickVC animated:YES completion:nil];
}

#pragma mark - UIImagePickerControllerDelegate
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{
    
    UIImage *photo = info[UIImagePickerControllerOriginalImage];
    
    UIImageView *imageV = [[UIImageView alloc] init];
    imageV.frame = self.IconView.frame;
    imageV.image = photo;
    imageV.userInteractionEnabled = YES;
    [self.view addSubview:imageV];
    
    [self dismissViewControllerAnimated:YES completion:nil];
}

@end
效果图

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