✨ :: Add example application

2026-04-17 12:17:30 +00:00 · 2026-01-10 16:55:43 +01:00
parent 27392ece2a
commit 81a830c36f
14 changed files with 958 additions and 0 deletions
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+//
+//  UIKitExampleView.swift
+//  GradientLoadingBarExample
+//
+//  Created by Felix Mau on 10.01.26.
+//  Copyright © 2026 Felix Mau. All rights reserved.
+//
+
+import GradientLoadingBar
+import SwiftUI
+import UIKit
+
+private enum Config {
+  /// The custom gradient colors we use.
+  ///
+  /// Source: <https://color.adobe.com/Pink-Flamingo-color-theme-10343714/>
+  static let gradientColors = [
+    #colorLiteral(red: 0.9490196078, green: 0.3215686275, blue: 0.431372549, alpha: 1), #colorLiteral(red: 0.9450980392, green: 0.4784313725, blue: 0.5921568627, alpha: 1), #colorLiteral(red: 0.9529411765, green: 0.737254902, blue: 0.7843137255, alpha: 1), #colorLiteral(red: 0.4274509804, green: 0.8666666667, blue: 0.9490196078, alpha: 1), #colorLiteral(red: 0.7568627451, green: 0.9411764706, blue: 0.9568627451, alpha: 1),
+  ]
+}
+
+/// A SwiftUI view that demonstrates the usage of `GradientActivityIndicatorView` from UIKit.
+struct UIKitExampleView: View {
+  var body: some View {
+    NavigationStack {
+      UIKitExampleViewControllerRepresentable()
+        .navigationTitle("UIKit Example")
+    }
+  }
+}
+
+// MARK: - Supporting Types
+
+/// A UIViewControllerRepresentable that wraps the `UIKitExampleViewController`.
+private struct UIKitExampleViewControllerRepresentable: UIViewControllerRepresentable {
+  func makeUIViewController(context _: Context) -> UIViewController {
+    UIKitExampleViewController()
+  }
+
+  func updateUIViewController(_: UIViewController, context _: Context) {}
+}
+
+/// A UIViewController that showcases the `GradientActivityIndicatorView`
+/// with default and custom gradient colors.
+private final class UIKitExampleViewController: UIViewController {
+
+  // MARK: - Private Properties
+
+  private let contentStackView = UIStackView()
+
+  private let defaultGradientColorsLabel = UILabel()
+  private let defaultGradientActivityIndicatorView = GradientActivityIndicatorView()
+
+  private let customGradientColorsLabel = UILabel()
+  private let customGradientActivityIndicatorView = GradientActivityIndicatorView()
+
+  // MARK: - View Lifecycle
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+
+    setUpSubviews()
+    setUpConstraints()
+  }
+
+  // MARK: - Private Methods
+
+  private func setUpSubviews() {
+    contentStackView.axis = .vertical
+    contentStackView.alignment = .fill
+    contentStackView.spacing = .space2
+    contentStackView.translatesAutoresizingMaskIntoConstraints = false
+    view.addSubview(contentStackView)
+
+    defaultGradientColorsLabel.text = "Default Gradient Colors"
+    defaultGradientColorsLabel.textAlignment = .center
+    defaultGradientColorsLabel.font = .preferredFont(forTextStyle: .callout)
+    contentStackView.addArrangedSubview(defaultGradientColorsLabel)
+
+    contentStackView.addArrangedSubview(defaultGradientActivityIndicatorView)
+    contentStackView.setCustomSpacing(.space6, after: defaultGradientActivityIndicatorView)
+
+    customGradientColorsLabel.text = "Custom Gradient Colors"
+    customGradientColorsLabel.textAlignment = .center
+    customGradientColorsLabel.font = .preferredFont(forTextStyle: .callout)
+    contentStackView.addArrangedSubview(customGradientColorsLabel)
+
+    customGradientActivityIndicatorView.gradientColors = Config.gradientColors
+    contentStackView.addArrangedSubview(customGradientActivityIndicatorView)
+  }
+
+  private func setUpConstraints() {
+    NSLayoutConstraint.activate([
+      contentStackView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: .space6),
+      contentStackView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -.space6),
+      contentStackView.centerYAnchor.constraint(equalTo: view.centerYAnchor),
+
+      defaultGradientActivityIndicatorView.heightAnchor.constraint(equalToConstant: 3),
+
+      customGradientActivityIndicatorView.heightAnchor.constraint(equalToConstant: 3),
+    ])
+  }
+}
+
+// MARK: - Preview
+
+#Preview {
+  UIKitExampleView()
+}