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[ios] make modal screen animation smoother

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Signed-off-by: Kiryl Kaveryn <kirylkaveryn@gmail.com>
This commit is contained in:
Kiryl Kaveryn
2025-05-20 12:51:55 +04:00
committed by Konstantin Pastbin
parent 6a488a08a0
commit 7117a1b954
1 changed files with 24 additions and 13 deletions
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37
iphone/Maps/UI/Search/SearchOnMap/Presentation/ModalPresentationAnimator.swift
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@@ -8,8 +8,10 @@ final class ModalPresentationAnimator {
private enum Constants {
static let animationDuration: TimeInterval = kDefaultAnimationDuration
static let springDamping: CGFloat = 0.85
static let springDamping: CGFloat = 0.8
static let springVelocity: CGFloat = 0.2
static let controlPoint1: CGPoint = CGPoint(x: 0.25, y: 0.1)
static let controlPoint2: CGPoint = CGPoint(x: 0.15, y: 1.0)
}
static func animate(with stepAnimation: PresentationStepChangeAnimation = .slide,
@@ -19,20 +21,29 @@ final class ModalPresentationAnimator {
case .none:
animations()
completion?(true)
case .slide:
UIView.animate(withDuration: Constants.animationDuration,
delay: 0,
options: .curveEaseOut,
animations: animations,
completion: completion)
let timing = UICubicTimingParameters(controlPoint1: Constants.controlPoint1,
controlPoint2: Constants.controlPoint2)
let animator = UIViewPropertyAnimator(duration: Constants.animationDuration,
timingParameters: timing)
animator.addAnimations(animations)
animator.addCompletion { position in
completion?(position == .end)
}
animator.startAnimation()
case .slideAndBounce:
UIView.animate(withDuration: Constants.animationDuration,
delay: 0,
usingSpringWithDamping: Constants.springDamping,
initialSpringVelocity: Constants.springVelocity,
options: .curveLinear,
animations: animations,
completion: completion)
let velocity = CGVector(dx: Constants.springVelocity, dy: Constants.springVelocity)
let timing = UISpringTimingParameters(dampingRatio: Constants.springDamping,
initialVelocity: velocity)
let animator = UIViewPropertyAnimator(duration: Constants.animationDuration,
timingParameters: timing)
animator.addAnimations(animations)
animator.addCompletion { position in
completion?(position == .end)
}
animator.startAnimation()
}
}
}