Added darkmode persistence.
App now remembers darkmode even when you close the app. Hello darkness my old friend! ;]
This commit is contained in:
Justin Oros
+34
-27
@@ -9,39 +9,44 @@ import SwiftUI
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import CoreLocation
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struct ContentView: View {
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@StateObject private var locationManager = LocationManager() // Manages live GPS data
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@State private var isMPH = true // Toggle between MPH and KPH
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@State private var previousLocation: CLLocation?
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@State private var tripDistanceMeters: Double = 0.0 // Trip distance in meters
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@State private var isDarkMode = true // Toggle dark/light mode
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@State private var isMinimalView = false // Show only speed + unit if true
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@StateObject private var locationManager = LocationManager() // 📍 Manages real-time GPS data
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// Load saved trip distance from UserDefaults on launch
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@State private var isMPH = true // 🚗 Speed unit toggle: true = MPH, false = KPH
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@State private var previousLocation: CLLocation? // 📌 Track last known location to compute trip distance
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@State private var tripDistanceMeters: Double = 0.0 // 📏 Track trip distance in meters
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// 🌗 Track current theme (loaded from UserDefaults)
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@State private var isDarkMode: Bool = UserDefaults.standard.bool(forKey: "DarkModeEnabled")
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// 👁️ Track minimal view preference (loaded from UserDefaults)
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@State private var isMinimalView: Bool = UserDefaults.standard.bool(forKey: "MinimalViewEnabled")
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// 🧠 Load trip distance if saved
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init() {
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if let savedDistance = UserDefaults.standard.object(forKey: "TripDistance") as? Double {
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_tripDistanceMeters = State(initialValue: savedDistance)
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}
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}
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// Current speed value, converted to MPH or KPH
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// 🧮 Calculate speed based on unit selection
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var currentSpeed: Int {
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let multiplier = isMPH ? 1.0 : 1.60934
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return Int(Double(locationManager.speed) * multiplier)
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}
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// Speed unit label
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// 🏷️ Speed unit label
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var unitLabel: String {
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isMPH ? "mph" : "kph"
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}
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// Formatted trip distance string
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// 📐 Distance label (miles or km)
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var distanceLabel: String {
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let distance = isMPH ? tripDistanceMeters * 0.000621371 : tripDistanceMeters / 1000
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let roundedDistance = Int(distance.rounded())
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return "\(roundedDistance) \(isMPH ? "miles" : "km")"
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}
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// Dynamic color based on GPS accuracy
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// 🎯 Color indicator for GPS accuracy
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var accuracyColor: Color {
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switch locationManager.accuracy {
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case ..<10:
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@@ -53,7 +58,7 @@ struct ContentView: View {
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}
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}
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// Theme-based color helpers
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// 🎨 Theme-dependent color helpers
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var foregroundColor: Color {
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isDarkMode ? .white : .black
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}
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@@ -73,7 +78,7 @@ struct ContentView: View {
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VStack(spacing: 30) {
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Spacer()
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// Speed + unit
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// ⏩ Speed display and unit toggle
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HStack(alignment: .bottom, spacing: 4) {
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Text("\(currentSpeed)")
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.font(.system(size: 140, weight: .bold, design: .rounded))
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@@ -83,13 +88,13 @@ struct ContentView: View {
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.font(.title2)
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.foregroundColor(secondaryTextColor)
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.onTapGesture {
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isMPH.toggle()
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isMPH.toggle() // 🔁 Tap to switch MPH/KPH
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}
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}
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// Optional elements hidden in minimal mode
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// 📊 Only show details if not in minimal mode
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if !isMinimalView {
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// Trip distance + reset icon
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// Trip meter + reset icon
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HStack(spacing: 8) {
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Text("Trip: \(distanceLabel)")
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.font(.title2)
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@@ -98,16 +103,16 @@ struct ContentView: View {
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Button(action: {
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tripDistanceMeters = 0
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previousLocation = nil
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UserDefaults.standard.set(0.0, forKey: "TripDistance") // Clear saved value
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UserDefaults.standard.set(0.0, forKey: "TripDistance") // 🧹 Clear saved trip
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}) {
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Image(systemName: "arrow.counterclockwise.circle")
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Image(systemName: "arrow.counterclockwise.circle") // 🔄 Reset icon
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.font(.title2)
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.foregroundColor(secondaryTextColor)
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}
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.buttonStyle(PlainButtonStyle()) // No tap glow
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.buttonStyle(PlainButtonStyle()) // Remove button glow
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}
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// GPS accuracy display
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// GPS accuracy indicator
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Text(String(format: "GPS Accuracy: ±%.0f meters", locationManager.accuracy))
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.font(.headline)
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.foregroundColor(accuracyColor)
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@@ -117,13 +122,14 @@ struct ContentView: View {
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}
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.padding()
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// Bottom toolbar
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// ⚙️ Bottom control bar (eye + gear)
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VStack {
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Spacer()
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HStack {
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// Minimal mode toggle (eye icon)
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// 👁️ Minimal view toggle
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Button(action: {
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isMinimalView.toggle()
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UserDefaults.standard.set(isMinimalView, forKey: "MinimalViewEnabled") // 💾 Save preference
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}) {
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Image(systemName: isMinimalView ? "eye.slash.fill" : "eye.fill")
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.font(.title2)
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@@ -133,7 +139,7 @@ struct ContentView: View {
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Spacer()
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// Open app Settings
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// ⚙️ Open system settings
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Button(action: {
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if let url = URL(string: UIApplication.openSettingsURLString) {
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UIApplication.shared.open(url)
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@@ -149,12 +155,13 @@ struct ContentView: View {
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}
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}
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// Tap background to toggle dark/light mode
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// 🌗 Tap anywhere to toggle dark/light mode and save it
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.onTapGesture {
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isDarkMode.toggle()
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UserDefaults.standard.set(isDarkMode, forKey: "DarkModeEnabled") // 💾 Save theme mode
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}
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// Show alert when location fails
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// 🚨 Show alert for location errors or denied permissions
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.alert(isPresented: $locationManager.showAlert) {
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Alert(
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title: Text("Location Services"),
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@@ -167,13 +174,13 @@ struct ContentView: View {
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)
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}
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// Track trip distance by accumulating changes between locations
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// 🧮 Update trip distance as new GPS data comes in
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.onReceive(locationManager.$location) { location in
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if let newLocation = location {
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if let oldLocation = previousLocation {
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let distance = newLocation.distance(from: oldLocation)
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tripDistanceMeters += distance
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UserDefaults.standard.set(tripDistanceMeters, forKey: "TripDistance") // Persist distance
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UserDefaults.standard.set(tripDistanceMeters, forKey: "TripDistance") // 💾 Save new trip value
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}
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previousLocation = newLocation
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}
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