Question

只是想知道当用户点击按钮时，是否有人可以帮助我识别和创建这样的iOS选项（http://imgur.com/QSfYavr），它可以选择使用相机或从照片库中选择图片。我已经研究过UIIMAGEPICKER，但不要认为这就是我所追求的。

我正在使用最新的Xcode + iOS 7开发。

感谢。

Answer 1

您可以使用以下代码：

// Set these delegates in the header file
<UIImagePickerControllerDelegate, UINavigationControllerDelegate,UIActionSheetDelegate>

// On Button Action

UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Select Face for Perform Dance step"
                                              delegate:self
                                     cancelButtonTitle:@"Cancel"
                                destructiveButtonTitle:nil
                                     otherButtonTitles:@"Camera", @"Select from Library", nil];
    actionSheet.actionSheetStyle = UIActionSheetStyleBlackTranslucent;
    [actionSheet showInView:self.view];

//行动表委托

#pragma mark -
#pragma mark UIActionSheetDelegate
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    int i = buttonIndex;
    switch(i)
    {
        case 0:
        {
            UIImagePickerController * picker = [[[UIImagePickerController alloc] init] autorelease];
            picker.delegate = self;
            picker.sourceType = UIImagePickerControllerSourceTypeCamera;
            [self presentViewController:picker animated:YES completion:^{}];
        }
            break;
        case 1:
        {
            UIImagePickerController * picker = [[[UIImagePickerController alloc] init] autorelease];
            picker.delegate = self;
            picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
            [self presentViewController:picker animated:YES completion:^{}];
        }
        default:
            // Do Nothing.........
            break;
    }
}

最后处理相机并从图库操作中选择：

#pragma mark -
#pragma - mark Selecting Image from Camera and Library
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
// Picking Image from Camera/ Library
    [picker dismissViewControllerAnimated:YES completion:^{}];
    self.selectedImage = [info objectForKey:@"UIImagePickerControllerOriginalImage"];

    if (!self.selectedImage)
    {
        return;
    }

// Adjusting Image Orientation
    NSData *data = UIImagePNGRepresentation(selectedImage);
    UIImage *tmp = [UIImage imageWithData:data];
    UIImage *fixed = [UIImage imageWithCGImage:tmp.CGImage
                                         scale:selectedImage.scale
                                   orientation:self.selectedImage.imageOrientation];
    self.selectedImage = fixed;

}

此代码适用于所有iOS SDK 5.x，6.x，7.x. 请享用。：）

Answer 2

iOS7的UIActionSheet，如果您更新iOS7应用程序，则会查找iOS7之前的所有iOS版本，这是已经制作的版本，您可以查看，https://github.com/ianb821/IBActionSheet

这个图像有什么iOS功能？

2 个答案: