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由于标题说我想在UIImageview中显示UIImage,所以问题是它不会显示。就在我显示它之前,我通过另一个视图的segue传递它。当我断点我看到,UIImage分配,但没有图片将显示,我已经尝试将其设置为静态图片,并且工作正常。传递后不会显示图片
相关的代码应该是...
在FirstViewController.m
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
UIImage* img = [info objectForKey:UIImagePickerControllerOriginalImage];
if (picker.sourceType == UIImagePickerControllerSourceTypePhotoLibrary) {
NSLog(@"Bild hämtad!");
[self moveImage];
}
else
{
UIImageWriteToSavedPhotosAlbum(img, self, @selector(image:didFinishSavingWithError:contextInfo:), Nil);
}
[picker dismissModalViewControllerAnimated:YES];
[MBProgressHUD showHUDAddedTo:self.view animated:YES];
}
- (void)image: (UIImage *)image didFinishSavingWithError: (NSError *) error contextInfo: (void *) contextInfo{
if (!error) {
NSLog(@"Bild sparad!");
[self moveImage];
}
else{
NSLog(@"%@",error);
}
}
-(void)moveImage
{
[self performSegueWithIdentifier:@"ImageEdit" sender:self];
[MBProgressHUD hideHUDForView:self.view animated:YES];
NSLog(@"Bild Flyttad!");
}
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:self
{
if ([[segue identifier] isEqualToString:@"ImageEdit"])
{
[segue.destinationViewController setMImage:image];
}
}
在ImageEditController.m
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
[imageView setImage:_mImage];
NSLog(@"Bild Visas!");
}
我知道有很多是代码,但我想通岗位多到少就好。
我做对了吗? “@property(weak,nonatomic)IBOutlet UIImageView * imageView;” 和 “@synthesize imageView;” – Lattmjolk1
IBOutlet是否实际连接到界面构建器中的图像视图?如果不是,那么它就不会像我说的那样初始化。如果它是一个迷人的IB对象,它应该工作。 – Dima
您是否尝试过通过代码进行调试/步进,以查看它在运行时是否实际上是有效的映像? – Dima