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[操作系统]iOS中调用系统相册以及使用系统相册的照片


#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