apatronl

import UIKit

fileprivate let buttonSize: CGFloat = 56
fileprivate let shadowOpacity: Float = 0.7

class ButtonPanelView: UIView {

  lazy var menuButton: UIButton = {
    let button = UIButton(frame: .zero)
    button.setTitle("➕", for: .normal)

apatronl

@objc private func handleTogglePanelButtonTapped(_ sender: UIButton) {
  UIView.animate(
    withDuration: 0.3, delay: 0, options: .curveEaseIn,
    animations: {
      self.expandedStackView.subviews.forEach { $0.isHidden = !$0.isHidden }
      self.expandedStackView.isHidden = !self.expandedStackView.isHidden
    })
}

apatronl

import UIKit

fileprivate let buttonSize: CGFloat = 56
fileprivate let shadowOpacity: Float = 0.7

class ButtonPanelView: UIView {

  lazy var menuButton: UIButton = {
    let button = UIButton(frame: .zero)
    button.setTitle("➕", for: .normal)

apatronl

class ButtonPanelView: UIView {

  // ...

  override init(frame: CGRect) {
    super.init(frame: frame)
    backgroundColor = UIColor(red: 81/255, green: 166/255, blue: 219/255, alpha: 1)

    layer.cornerRadius = buttonSize / 2
    layer.shadowColor = UIColor.lightGray.cgColor

apatronl

import UIKit

class HeartButton: UIButton {
  private var isLiked = false
  
  private let unlikedImage = UIImage(named: "heart_empty")
  private let likedImage = UIImage(named: "heart_filled")
  
  private let unlikedScale: CGFloat = 0.7
  private let likedScale: CGFloat = 1.3

apatronl

import UIKit

class HeartButton: UIButton {
  
  private let unlikedImage = UIImage(named: "heart_empty")
  private let likedImage = UIImage(named: "heart_filled")

  override public init(frame: CGRect) {
    super.init(frame: frame)

apatronl

import UIKit

class HeartButton: UIButton {
  private var isLiked = false
  
  // ...

  public func flipLikedState() {
    isLiked = !isLiked
    animate()

apatronl

import SwiftUI

struct ContentView: View {

  @State private var selectedColor = Color.black
  
  var body: some View {
    VStack(alignment: .center) {
      Text("Color Picker Demo").foregroundColor(selectedColor).font(.largeTitle)
      ColorPicker(

apatronl

import UIKit

extension UITableViewCell {
  class var identifier: String {
    return String(describing: self)
  }
}

apatronl

import SwiftUI
import UIKit

struct NavigationBarColor: ViewModifier {

  init(backgroundColor: UIColor, tintColor: UIColor) {
    let coloredAppearance = UINavigationBarAppearance()
    coloredAppearance.configureWithOpaqueBackground()
    coloredAppearance.backgroundColor = backgroundColor
    coloredAppearance.titleTextAttributes = [.foregroundColor: tintColor]