问题描述

ipad将图片放到UIPopoverController中

我的目标是让用户能从UIWebView抓取屏幕截图。然后将图片加载到UIPopoverController中。

在UIPopoverController中用户可剪裁并保存图片。

目前我实现了UIImage屏幕截图。然后UIPopoverController弹出，但是不能保存图片，好像是由于这句代码： imagePicker sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
应该怎么修改呢？

全部代码：

-(UIImage*)captureScreen:(UIView*) viewToCapture{        UIGraphicsBeginImageContext(viewToCapture.bounds.size);    [viewToCapture.layer renderInContext:UIGraphicsGetCurrentContext()];    UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();    UIGraphicsEndImageContext();    imageView.image = viewImage;    [imageView setHidden:NO];    // this removes current view ie photoLibary    [self dismissViewControllerAnimated:YES completion:NULL];    // this checks that a popover is not already in view    if ([popoverController isPopoverVisible])    {        // if yes - remove        [popoverController dismissPopoverAnimated:YES];   }    else    {             // create an imagePicker        UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];        imagePicker.delegate = self;        imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;        imagePicker.allowsEditing = YES;        // create an PopoverController        popoverController = [[UIPopoverController alloc]                             initWithContentViewController:imagePicker];        popoverController.delegate = self;        UIView *popView = [[UIView alloc]initWithFrame:CGRectMake(0 0 500 500)];        [self.view addSubview:popView];        [popoverController presentPopoverFromRect:CGRectMake(100200 565 545)                                           inView:self.view                         permittedArrowDirections:0                                         animated:YES];    }    return viewImage;}

解决方案

http://www.cnblogs.com/ios-wmm/archive/2012/09/03/2668885.html