弹源于定义显示大小的UIViewController

弹出自定义显示大小的UIViewController

EditHeadViewController *editHead = [[[EditHeadViewController alloc] init] autorelease];
    //设置待显示控制器的范围
    [editHead.view setFrame:CGRectMake(0, 0, 173, 108)];
    //设置待显示控制器视图的尺寸
    editHead.contentSizeForViewInPopover = CGSizeMake(173, 108);
    
    UIPopoverController *popover = [[UIPopoverController alloc] initWithContentViewController:editHead];
    self.editPopoverController = popover;
    //设置弹出窗口尺寸
    self.editPopoverController.popoverContentSize = CGSizeMake(173, 108);
    [self.editPopoverController presentPopoverFromRect:CGRectMake(0, 200, 173, 108) inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
    [popover release];