直接上图上代码。。。
OTPopoverMenuViewController.h:
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| @interface OTPopoverMenuViewController : UIViewController
- (void)presentInController:(UIViewController *)controller
sourceView:(UIView *)view;
- (void)presentInController:(UIViewController *)controller
barButtonItem:(UIBarButtonItem *)barButtonItem;
@end
|
OTPopoverMenuViewController.m:
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| #import "OTPopoverMenuViewController.h"
@interface OTPopoverMenuViewController () <UIPopoverPresentationControllerDelegate>
@end
@implementation OTPopoverMenuViewController
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self)
{
self.modalPresentationStyle = UIModalPresentationPopover;
UIPopoverPresentationController *popController = [self popoverPresentationController];
self.preferredContentSize = CGSizeMake(100, 100);
popController.permittedArrowDirections = UIPopoverArrowDirectionUp;
popController.delegate = self;
[self initUI];
}
return self;
}
- (void)presentInController:(UIViewController *)controller
sourceView:(UIView *)view
{
UIPopoverPresentationController *popController = [self popoverPresentationController];
popController.sourceView = view;
popController.sourceRect = view.bounds;
[controller presentViewController:self animated:YES completion:nil];
}
- (void)presentInController:(UIViewController *)controller
barButtonItem:(UIBarButtonItem *)barButtonItem
{
UIPopoverPresentationController *popController = [self popoverPresentationController];
popController.barButtonItem = barButtonItem;
[controller presentViewController:self animated:YES completion:nil];
}
- (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController:(UIPresentationController *)controller
{
return UIModalPresentationNone;
}
- (void)initUI
{
}
@end
|
调用:
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| OTPopoverMenuViewController *controller = [[OTPopoverMenuViewController alloc] init];
[controller presentInController:self sourceView:view];
//或
[controller presentInController:self barButtonItem:barButtonItem];
|
Over