You can dismiss modal viewcontroller like Facebook Messenger by pulling scrollview or navigationbar in Swift.
PullToDismiss provides dismiss modal viewcontroller function like Facebook Messenger by pulling scrollview or navigationbar with smooth and rich background effect.
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If you update from 1.x to 2.0, see migration guide if needed.
(1) Setup
PullToDismiss
import PullToDismissclass SampleViewController: UIViewController { @IBOutlet private weak var tableView: UITableView! private var pullToDismiss: PullToDismiss? override func viewDidLoad() { super.viewDidLoad() pullToDismiss = PullToDismiss(scrollView: tableView) } }
(2) Create view controller and set
modalPresentationStyle. Then present view controller
let vc = SampleViewController() let nav = UINavigationController(rootViewController: vc) nav.modalPresentationStyle = .overCurrentContextself.present(nav, animated: true, completion: nil)
:thumbsup::thumbsup::thumbsup:
(UIScrollView|UITableView|UICollectionView)Delegate
You can use all scroll view's delegate by set
pullToDismiss.delegate.
import PullToDismissclass SampleViewController: UIViewController { @IBOutlet private weak var tableView: UITableView! private var pullToDismiss: PullToDismiss? override func viewDidLoad() { super.viewDidLoad() pullToDismiss = PullToDismiss(scrollView: tableView) pullToDismiss?.delegate = self } }
extension SampleViewController: UITableViewDelegate { func scrollViewDidScroll(_ scrollView: UIScrollView) { // ... }
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { // ... }
}
You can customize backgroundEffect, dismissableHeightPercentage:
ShadowEffect.default, [color: black, alpha: 0.8])
pullToDismiss?.background = ShadowEffect(color: .red, alpha: 0.5) // color: red, alpha: 0.5
New feature for v1.0.
// preset blur (.extraLight, .light, .dark) pullToDismiss?.background = BlurEffect.extraLight// set custom Blur pullToDismiss?.background = BlurEffect(color: .red, alpha: 0.5, blurRadius: 40.0, saturationDeltaFactor: 1.8)
// to pull half size of view controller, dismiss view controller. pullToDismiss?.dismissableHeightPercentage = 0.5
# Swift 5.0 or later github "sgr-ksmt/PullToDismiss" ~> 2.2 # Swift 3 github "sgr-ksmt/PullToDismiss", 2.1
carthage update
PullToDismiss is available through CocoaPods. To install it, simply add the following line to your Podfile:
# Swift 5.0 or later pod 'PullToDismiss', '~> 2.2' # Swift 3 pod 'PullToDismiss', '2.1'
and run
pod install
Download all
*.swiftfiles and put your project.
Change log is here.
PullToDismiss is under MIT license. See the LICENSE file for more info.