Question

我的代码

- (IBAction)takePhoto:(UIButton *)sender {
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]){
    UIImagePickerController *picker = [UIImagePickerController new];
    picker.delegate = self;
    picker.allowsEditing = YES;
    picker.sourceType = UIImagePickerControllerSourceTypeCamera;

    [self presentViewController:picker animated:YES completion:nil];
}else{
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"ERROR!" message:@"Device has no camera!" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
    [alert show];
}
}

和代表

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
UIImage *chosenImage = info[UIImagePickerControllerEditedImage];
self.userImage.image = chosenImage;

[picker dismissViewControllerAnimated:YES completion:NULL];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {

[picker dismissViewControllerAnimated:YES completion:NULL];

}

嗯，这非常简单和基本。我的问题是，在将我的图像分配给UIImageView后（它具有固定/固定的宽度和高度）而不是将其自身调整为uiimageview的大小，它在整个视图中延伸，更像是放置图像的背景它应该在哪里。同样，我的uiimageview的宽度和高度已固定。有人可以帮忙吗？感谢

Answer 1

contentMode的{{1}}应为UIImageView，而不是UIViewContentModeScaleAspectFit。

如果您需要动态更改内容模式，只需添加以下行：

UIViewContentModeCenter

用相机拍摄的照片不会在uiimageview中调整大小

1 个答案: