#import "ViewController.h"@interface ViewController ()<UINavigationControllerDelegate,UIImagePickerControllerDelegate>@property (weak, nonatomic) IBOutlet UIImageView *IconView;@end@implementation ViewController- (IBAction)chooseImage {  //彈出系統相冊  UIImagePickerController *pickVC = [[UIImagePickerController alloc] init];  //設置照片來源  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