STPopup

STPopup provides STPopupController, which works just like UINavigationController in popup style, for both iPhone and iPad. It's written in Objective-C and compatible with Swift.

Features:

Push/Pop view controller into/out of STPopupController just like UINavigationController.
Set navigation items through self.navigationItem just like using a UINavigationController.
Support both "Form Sheet" and "Bottom Sheet" style.
Work well with storyboard(including segue).
Customize UI by using UIAppearance.
Customizable popup transition style.
Auto-reposition of popup view when keyboard shows up, make sure your UITextField/UITextView won't be covered by the keyboard.
Drag navigation bar to dismiss popup view.
Support both portrait and landscape orientation in iPhone and iPad.
iOS 7+.
Compatible with Swift.

Use Cases

Get Started

CocoaPods

pod 'STPopup'

Carthage

github "kevin0571/STPopup"

Import header file
Objective-C

#import <STPopup/STPopup.h>

Swift

import STPopup

Initialize and present STPopupController
Objective-C

STPopupController *popupController = [[STPopupController alloc] initWithRootViewController:viewController];
[popupController presentInViewController:self];

Swift

let popupController = STPopupController(rootViewController: viewController)
popupController.present(in: self)

Set content size in view controller
Objective-C

@implementation ViewController

- (instancetype)init
{
    if (self = [super init]) {
        self.title = @"View Controller";
        self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Next" style:UIBarButtonItemStylePlain target:self action:@selector(nextBtnDidTap)];
        // It's required to set content size of popup.
        self.contentSizeInPopup = CGSizeMake(300, 400);
        self.landscapeContentSizeInPopup = CGSizeMake(400, 200);
    }
    return self;
}

@end

Swift

class ViewController: UIViewController {
    override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
        title = "View Controller"
        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Next", style: .plain, target: self, action: #selector(nextBtnDidTap))
        // It's required to set content size of popup.
        contentSizeInPopup = CGSize(width: 300, height: 400)
        landscapeContentSizeInPopup = CGSize(width: 400, height: 200)
    }
}

Set content size of view controller which is loaded from Storyboard
Set content size in storyboard or in awakeFromNib.

Push, pop and dismiss view controllers
Objective-C

[self.popupController pushViewController:[ViewController new] animated:YES];
[self.popupController popViewControllerAnimated:YES]; // Popup will be dismissed if there is only one view controller in the popup view controller stack
[self.popupController dismiss];

Swift

popupController?.push(viewController, animated: true)
popupController?.popViewController(animated: true) // Popup will be dismissed if there is only one view controller in the popup view controller stack
popupController?.dismiss()

Bottom sheet style
Objective-C

STPopupController *popupController = [[STPopupController alloc] initWithRootViewController:[ViewController new]];
popupController.style = STPopupStyleBottomSheet;
[popupController presentInViewController:self];

Swift

let popupController = STPopupController(rootViewController: viewController)
popupController.style = .bottomSheet
popupController.present(in: self)

Customize popup transition style
Objective-C

#pragma mark - STPopupControllerTransitioning

- (NSTimeInterval)popupControllerTransitionDuration:(STPopupControllerTransitioningContext *)context
{
    return context.action == STPopupControllerTransitioningActionPresent ? 0.5 : 0.35;
}

- (void)popupControllerAnimateTransition:(STPopupControllerTransitioningContext *)context completion:(void (^)())completion
{
    // Popup will be presented with an animation sliding from right to left.
    UIView *containerView = context.containerView;
    if (context.action == STPopupControllerTransitioningActionPresent) {
        containerView.transform = CGAffineTransformMakeTranslation(containerView.superview.bounds.size.width - containerView.frame.origin.x, 0);
        
        [UIView animateWithDuration:[self popupControllerTransitionDuration:context] delay:0 usingSpringWithDamping:1 initialSpringVelocity:1 options:UIViewAnimationOptionCurveEaseInOut animations:^{
            context.containerView.transform = CGAffineTransformIdentity;
        } completion:^(BOOL finished) {
            completion();
        }];
    }
    else {
        [UIView animateWithDuration:[self popupControllerTransitionDuration:context] delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
            containerView.transform = CGAffineTransformMakeTranslation(- 2 * (containerView.superview.bounds.size.width - containerView.frame.origin.x), 0);
        } completion:^(BOOL finished) {
            containerView.transform = CGAffineTransformIdentity;
            completion();
        }];
    }
}

// Use custom transitioning in popup controller
STPopupController *popupController = [[STPopupController alloc] initWithRootViewController:viewController];
popupController.transitionStyle = STPopupTransitionStyleCustom;
popupController.transitioning = self;
[popupController presentInViewController:self];

Swift

// MARK: STPopupControllerTransitioning

func popupControllerTransitionDuration(_ context: STPopupControllerTransitioningContext) -> TimeInterval {
    return context.action == .present ? 0.5 : 0.35
}

func popupControllerAnimateTransition(_ context: STPopupControllerTransitioningContext, completion: @escaping () -> Void) {
    // Popup will be presented with an animation sliding from right to left.
    let containerView = context.containerView
    if context.action == .present {
        containerView.transform = CGAffineTransform(translationX: containerView.superview!.bounds.size.width - containerView.frame.origin.x, y: 0)
        UIView.animate(withDuration: popupControllerTransitionDuration(context), delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: .curveEaseInOut, animations: {
            containerView.transform = .identity
        }, completion: { _ in
            completion()
        });
    } else {
        UIView.animate(withDuration: popupControllerTransitionDuration(context), delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: .curveEaseInOut, animations: {
            containerView.transform = CGAffineTransform(translationX: -2 * (containerView.superview!.bounds.size.width - containerView.frame.origin.x), y: 0)
        }, completion: { _ in
            containerView.transform = .identity
            completion()
        });
    }
}

// Use custom transitioning in popup controller
let popupController = let popupController = STPopupController(rootViewController: viewController)
popupController.transitionStyle = .custom
popupController.transitioning = self
popupController.present(in: self)

Blur background
Objective-C

STPopupController *popupController = [[STPopupController alloc] initWithRootViewController:[PopupViewController1 new]];
if (NSClassFromString(@"UIBlurEffect")) {
    UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
    popupController.backgroundView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
}

Swift

let popupController = let popupController = STPopupController(rootViewController: viewController)
if NSClassFromString("UIBlurEffect") != nil {
    let blurEffect = UIBlurEffect(style: .dark)
    popupController.backgroundView = UIVisualEffectView(effect: blurEffect)
}

Action of tapping on area outside of popup
Objective-C

[popupController.backgroundView addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(backgroundViewDidTap)]];

Swift

popupController.backgroundView?.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(backgroundViewDidTap)))

Customize UI
Objective-C

[STPopupNavigationBar appearance].barTintColor = [UIColor colorWithRed:0.20 green:0.60 blue:0.86 alpha:1.0];
[STPopupNavigationBar appearance].tintColor = [UIColor whiteColor];
[STPopupNavigationBar appearance].barStyle = UIBarStyleDefault;
[STPopupNavigationBar appearance].titleTextAttributes = @{ NSFontAttributeName: [UIFont fontWithName:@"Cochin" size:18], NSForegroundColorAttributeName: [UIColor whiteColor] };
    
[[UIBarButtonItem appearanceWhenContainedIn:[STPopupNavigationBar class], nil] setTitleTextAttributes:@{ NSFontAttributeName:[UIFont fontWithName:@"Cochin" size:17] } forState:UIControlStateNormal];

Swift

STPopupNavigationBar.appearance().barTintColor = UIColor(red: 0.2, green: 0.6, blue: 0.86, alpha: 1)
STPopupNavigationBar.appearance().tintColor = .white
STPopupNavigationBar.appearance().barStyle = .default
STPopupNavigationBar.appearance().titleTextAttributes = [
    .font: UIFont(name: "Cochin", size: 18) ?? .systemFont(ofSize: 18),
    .foregroundColor: UIColor.white,
]
UIBarButtonItem
    .appearance(whenContainedInInstancesOf: [STPopupNavigationBar.self])
    .setTitleTextAttributes([
        .font: UIFont(name: "Cochin", size: 18) ?? .systemFont(ofSize: 18),
        ], for: .normal)

Auto-reposition when keyboard is showing up
This is default behavior.

Drag to dismiss
This is default behavior.

Handle orientation change
This is default behavior.

Please checkout the example project for more details.

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kevin0571 / Stpopup

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