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lpestllpestl
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Added Settings page
1 parent 9e7678f commit 6ce75df

10 files changed

Lines changed: 273 additions & 7 deletions

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‎HttpGamepadInput/App.xaml‎

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<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:local="clr-namespace:HttpGamepadInput"
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xmlns:converters="clr-namespace:HttpGamepadInput.BaseClasses.Converters"
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x:Class="HttpGamepadInput.App">
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<Application.Resources>
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<ResourceDictionary>
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<converters:StringNotEmptyConverter x:Key="StringNotEmptyConverter" />
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<converters:BoolToColorConverter x:Key="BoolToColorConverter"
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TrueColor="Green"
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FalseColor="Red" />
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<ResourceDictionary.MergedDictionaries>
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<ResourceDictionary Source="Resources/Styles/Colors.xaml" />
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<ResourceDictionary Source="Resources/Styles/Styles.xaml" />

‎HttpGamepadInput/AppShell.xaml‎

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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:views="clr-namespace:HttpGamepadInput.Views"
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Shell.FlyoutBehavior="Flyout"
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Shell.NavBarIsVisible="False"
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Title="Gamepad Input via HTTP">
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<ShellContent
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Title="Gamepad"
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ContentTemplate="{DataTemplate views:MainPage}"
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Route="MainPage" />
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<FlyoutItem Title="Gamepads">
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<ShellContent ContentTemplate="{DataTemplate views:MainPage}"
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Title="1 Gamepad"
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Route="MainPage" />
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</FlyoutItem>
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<FlyoutItem Title="Settings">
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<ShellContent ContentTemplate="{DataTemplate views:SettingsPage}"
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Title="Settings"
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Route="Settings" />
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</FlyoutItem>
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</Shell>

‎HttpGamepadInput/AppShell.xaml.cs‎

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namespace HttpGamepadInput;
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using HttpGamepadInput.Views;
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namespace HttpGamepadInput;
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public partial class AppShell : Shell
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{
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public AppShell()
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{
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InitializeComponent();
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Routing.RegisterRoute(nameof(MainPage), typeof(MainPage));
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Routing.RegisterRoute(nameof(SettingsPage), typeof(SettingsPage));
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}
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}

‎HttpGamepadInput/BaseClasses/Converters/BoolToColorConverter.cs‎

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using System;
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using System.Globalization;
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using Microsoft.Maui.Controls;
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namespace HttpGamepadInput.BaseClasses.Converters;
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public class BoolToColorConverter : IValueConverter
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{
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public Color TrueColor { get; set; } = Colors.Green;
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public Color FalseColor { get; set; } = Colors.Red;
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public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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if (value is bool b)
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return b ? TrueColor : FalseColor;
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return FalseColor;
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}
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public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
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=> throw new NotImplementedException();
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}

‎HttpGamepadInput/BaseClasses/Converters/StringNotEmptyConverter.cs‎

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using System;
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using System.Globalization;
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using Microsoft.Maui.Controls;
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namespace HttpGamepadInput.BaseClasses.Converters;
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public class StringNotEmptyConverter : IValueConverter
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{
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public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
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=> !string.IsNullOrWhiteSpace(value?.ToString());
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public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
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=> throw new NotImplementedException();
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}

‎HttpGamepadInput/ViewModels/SettingsViewModel.cs‎

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using System.Windows.Input;
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using HttpGamepadInput.BaseClasses;
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namespace HttpGamepadInput.ViewModels;
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public class SettingsViewModel : BindableBase
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{
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public ICommand SaveCommand { get; }
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public ICommand TestConnectionCommand { get; }
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private string _serverUrl = "http://localhost:8080";
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public string ServerUrl
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{
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get => _serverUrl;
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set => SetProperty(ref _serverUrl, value);
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}
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private bool _isNotError = true;
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public bool IsNotError
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{
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get => _isNotError;
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set => SetProperty(ref _isNotError, value);
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}
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private string _validationMessage;
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public string ValidationMessage
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{
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get => _validationMessage;
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set
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{
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if (_validationMessage != value)
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{
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_validationMessage = value;
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OnPropertyChanged();
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}
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}
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}
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public SettingsViewModel()
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{
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SaveCommand = new Command(OnSaveClicked);
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TestConnectionCommand = new Command(OnTestConnectionClicked);
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}
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private bool IsValidUrl(string url)
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{
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if (string.IsNullOrWhiteSpace(ServerUrl))
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{
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ValidationMessage = "URL can't be empty.";
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IsNotError = false;
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return false;
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}
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else if (!Uri.TryCreate(ServerUrl, UriKind.Absolute, out var uri) ||
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!(uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps))
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{
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ValidationMessage = "Enter valid url address (http or https).";
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IsNotError = false;
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return false;
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}
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else
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{
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ValidationMessage = string.Empty; // All Ok
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IsNotError = true;
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}
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return true;
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}
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private void OnSaveClicked()
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{
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string url = ServerUrl.Trim();
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if (!IsValidUrl(url))
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{
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return;
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}
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Preferences.Set("ServerUrl", url);
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}
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private async void OnTestConnectionClicked()
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{
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string url = ServerUrl.Trim();
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if (!IsValidUrl(url))
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{
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return;
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}
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if (!Uri.TryCreate(url, UriKind.Absolute, out var baseUri))
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{
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ValidationMessage = "Error: Filed creating Uri.";
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IsNotError = false;
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return;
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}
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try
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{
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var versionUri = new Uri(baseUri, "/version/");
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using HttpClient client = new HttpClient
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{
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Timeout = TimeSpan.FromSeconds(5)
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};
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HttpResponseMessage response = await client.GetAsync(versionUri);
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if (response.IsSuccessStatusCode)
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{
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ValidationMessage = "Success! Connection to the server established.";
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IsNotError = true;
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}
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else
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{
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ValidationMessage = $"Error. Server response: {(int)response.StatusCode} {response.ReasonPhrase}";
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IsNotError = false;
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}
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}
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catch (Exception ex)
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{
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ValidationMessage = $"Error. Failed to connect: {ex.Message}";
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IsNotError = false;
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}
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}
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}

‎HttpGamepadInput/Views/MainPage.xaml‎

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xmlns:base="clr-namespace:HttpGamepadInput.BaseClasses"
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x:Class="HttpGamepadInput.Views.MainPage"
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Background="White"
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Shell.NavBarIsVisible="False"
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x:DataType="viewModels:GamepadViewModel">
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<ContentPage.BindingContext>

‎HttpGamepadInput/Views/MainPage.xaml.cs‎

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public partial class MainPage : ContentPage
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{
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public GamepadViewModel ViewModel => (GamepadViewModel)BindingContext;
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private GamepadViewModel ViewModel => (GamepadViewModel) BindingContext;
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public MainPage()
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{
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InitializeComponent();

‎HttpGamepadInput/Views/SettingsPage.xaml‎

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<?xml version="1.0" encoding="utf-8"?>
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<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:viewModels="clr-namespace:HttpGamepadInput.ViewModels"
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Shell.NavBarIsVisible="False"
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x:Class="HttpGamepadInput.Views.SettingsPage"
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x:DataType="viewModels:SettingsViewModel">
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<ContentPage.BindingContext>
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<viewModels:SettingsViewModel />
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</ContentPage.BindingContext>
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<ContentPage.Content>
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<VerticalStackLayout Padding="20" Spacing="15">
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<Label Text="Server URL:"
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FontSize="18" />
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<Entry x:Name="ServerUrlEntry"
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Placeholder="https://example.com/"
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Text="{Binding ServerUrl}"
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Keyboard="Url" />
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<!-- Error message -->
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<Label Text="{Binding ValidationMessage}"
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TextColor="{Binding IsNotError, Converter={StaticResource BoolToColorConverter}}"
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IsVisible="{Binding ValidationMessage, Converter={StaticResource StringNotEmptyConverter}}"/>
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<Button Text="Save"
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Command="{Binding SaveCommand}"
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BackgroundColor="LightGray"
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TextColor="Black" >
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<VisualStateManager.VisualStateGroups>
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<VisualStateGroup Name="CommonStates">
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<VisualState Name="Normal" />
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<VisualState Name="Pressed">
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<VisualState.Setters>
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<Setter Property="BackgroundColor" Value="Gray" />
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</VisualState.Setters>
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</VisualState>
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</VisualStateGroup>
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</VisualStateManager.VisualStateGroups>
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</Button>
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<Button Text="Test connection"
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Command="{Binding TestConnectionCommand}"
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BackgroundColor="LightGray"
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TextColor="Black" >
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<VisualStateManager.VisualStateGroups>
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<VisualStateGroup Name="CommonStates">
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<VisualState Name="Normal" />
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<VisualState Name="Pressed">
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<VisualState.Setters>
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<Setter Property="BackgroundColor" Value="Gray" />
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</VisualState.Setters>
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</VisualState>
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</VisualStateGroup>
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</VisualStateManager.VisualStateGroups>
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</Button>
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</VerticalStackLayout>
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</ContentPage.Content>
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</ContentPage>

‎HttpGamepadInput/Views/SettingsPage.xaml.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using HttpGamepadInput.ViewModels;
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namespace HttpGamepadInput.Views;
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public partial class SettingsPage : ContentPage
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{
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public SettingsViewModel ViewModel => (SettingsViewModel) BindingContext;
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public SettingsPage()
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{
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InitializeComponent();
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}
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protected override void OnAppearing()
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{
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base.OnAppearing();
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if (Preferences.ContainsKey("ServerUrl"))
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{
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ServerUrlEntry.Text = Preferences.Get("ServerUrl", string.Empty);
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}
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}
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}

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