Timothy Costa timothycosta
timothycosta
/ SwiftUIKeyboardAnimation.swift
Last active
March 12, 2024 21:10
Create a SwiftUI Animation with the correct curve and duration from UIKit keyboard notifications
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| func animation(from notification: Notification) -> Animation? { | |
| guard | |
| let info = notification.userInfo, | |
| let duration = info[UIResponder.keyboardAnimationDurationUserInfoKey] as? Double, | |
| let curveValue = info[UIResponder.keyboardAnimationCurveUserInfoKey] as? Int, | |
| let uiKitCurve = UIView.AnimationCurve(rawValue: curveValue) | |
| else { | |
| return nil | |
| } |
timothycosta
/ TrackedValue.swift
Created
April 10, 2020 04:43
Replacement for didSet when using SwiftUI
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| /// TrackedValue is a property wrapper that allows you to work around the | |
| /// lack of didSet when working with SwiftUI. | |
| /// Explanation and example usage at: https://stackoverflow.com/a/60145397/467209 | |
| @propertyWrapper | |
| struct TrackedValue<Tracked, Value>: DynamicProperty { | |
| var trackedHolder: State<ValueHolder<Tracked>> | |
| var valueHolder: State<ValueHolder<Value>> | |
| init(wrappedValue value: Value, tracked: Tracked) { | |
| self.trackedHolder = State(initialValue: ValueHolder(tracked)) |
timothycosta
/ ViewPlayground.swift
Created
August 9, 2019 08:33
Resetting @State when other state changes
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| struct StateUpdatedPreferenceKey: PreferenceKey { | |
| static var defaultValue: Int = Int.min | |
| static func reduce(value: inout Int, nextValue: () -> Int) { | |
| value = nextValue() | |
| } | |
| } | |
| struct StateUpdated: View { |
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| // | |
| // GeometryFinder.swift | |
| // | |
| // Created by Timothy Costa on 2019/06/24. | |
| // Copyright © 2019 timothycosta.com. All rights reserved. | |
| // | |
| import SwiftUI | |
| struct RectPreferenceKey: PreferenceKey { |
timothycosta
/ CADisplayLinkBinding.swift
Last active
April 3, 2020 00:43
A CADisplayLink in a BindableObject
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| // | |
| // CADisplayLinkBinding.swift | |
| // lingq-5 | |
| // | |
| // Created by Timothy Costa on 2019/07/11. | |
| // Copyright © 2019 timothycosta.com. All rights reserved. | |
| // | |
| import Combine | |
| import SwiftUI |
timothycosta
/ UIScrollViewWrapper.swift
Created
July 5, 2019 03:25
UIScrollView wrapped for SwiftUI
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| // | |
| // UIScrollViewWrapper.swift | |
| // lingq-5 | |
| // | |
| // Created by Timothy Costa on 2019/07/05. | |
| // Copyright © 2019 timothycosta.com. All rights reserved. | |
| // | |
| import SwiftUI |
timothycosta
/ UIViewController+SwiftUI.swift
Last active
April 28, 2023 07:00
Using UIViewController via the SwiftUI Environment
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| struct ViewControllerHolder { | |
| weak var value: UIViewController? | |
| init(_ value: UIViewController?) { | |
| self.value = value | |
| } | |
| } | |
| struct ViewControllerKey: EnvironmentKey { | |
| static var defaultValue: ViewControllerHolder { return ViewControllerHolder(UIApplication.shared.windows.first?.rootViewController ) } |
timothycosta
/ UIViewWrapper.swift
Last active
February 18, 2020 21:08
Get the position of a child View by wrapping it in a UIView
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| // | |
| // UIViewWrapper.swift | |
| // lingq-5 | |
| // | |
| // Created by Timothy Costa on 2019/06/14. | |
| // Copyright © 2019 timothycosta.com. All rights reserved. | |
| // | |
| import SwiftUI | |
| import UIKit |
timothycosta
/ gist:112f2eb66a2539f2d7b583f83a711edb
Created
January 2, 2017 05:20
Object has been deleted or invalidated
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| Fatal Exception: RLMException | |
| 0 CoreFoundation 0x1841badb0 __exceptionPreprocess | |
| 1 libobjc.A.dylib 0x18381ff80 objc_exception_throw | |
| 2 Realm 0x100b6e300 RLMGetArray(RLMObjectBase*, unsigned long) (RLMAccessor.mm:212) | |
| 3 LingQ 0x1000bdaf0 -[GCCellFactory configureCell:forLesson:locked:feed:] (GCCellFactory.m:173) | |
| 4 LingQ 0x1000f0188 -[LQTableViewController configureCell:section:row:] (LQTableViewController.m:353) | |
| 5 LingQ 0x1000effec -[LQTableViewController configuredCellForTableView:row:indexPath:] (LQTableViewController.m:342) | |
| 6 LingQ 0x1000f086c -[LQTableViewController tableView:cellForRowAtIndexPath:] (LQTableViewController.m:421) | |
| 7 UIKit 0x18966f030 -[UITableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:] | |
| 8 UIKit 0x18966f198 -[UITableView _createPreparedCellForGlobalRow:willDispla |
timothycosta
/ gist:856afecaf4fef5dc74f323e98e8892c3
Created
January 2, 2017 05:18
Object has been deleted or invalidated.
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| Fatal Exception: RLMException | |
| 0 CoreFoundation 0x1821821c0 __exceptionPreprocess | |
| 1 libobjc.A.dylib 0x180bbc55c objc_exception_throw | |
| 2 Realm 0x1009f6954 ___ZL17RLMAccessorGetterP11RLMProperty15RLMAccessorCode_block_invoke_2 (RLMAccessor.mm:308) | |
| 3 iLingQ 0x1001b149c __52-[FeedSearchViewController importDetailsForLessons:]_block_invoke (FeedSearchViewController.m:241) | |
| 4 Objective_Shorthand 0x1009aa198 __67-[NSArray(FunctionalMethods) arrayByTransformingObjectsUsingBlock:]_block_invoke (NSArray+FunctionalMethods.m:34) | |
| 5 CoreFoundation 0x18206f1a4 __53-[__NSArrayM enumerateObjectsWithOptions:usingBlock:]_block_invoke | |
| 6 CoreFoundation 0x18206f010 -[__NSArrayM enumerateObjectsWithOptions:usingBlock:] | |
| 7 Objective_Shorthand 0x1009aa134 -[NSArray(FunctionalMethods) arrayByTransformingObjectsUsingBlock:] (NSArray+FunctionalMethods.m:40) | |
| 8 iLingQ 0x1001b12c |
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