chore: cleanup of all Xamarin.Forms, fix an exception when inserting task loading states view

Author: Jean-Marie Alfonsi

Retronado.Maui/Converters/CyclicLoadingLottieConverter.cs

@@ -0,0 +1,35 @@
+using System.Globalization;
+
+namespace Sample.Converters;
+
+public class CyclicLoadingLottieConverter : IValueConverter
+{
+    private int _counter = -1;
+
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if (value == null || (value is bool showLoader && !showLoader))
+        {
+            return null;
+        }
+
+        _counter = ++_counter > 2 ? 0 : _counter;
+        switch (_counter)
+        {
+            case 0:
+                return "delorean_grey.json";
+            case 1:
+                return "joystick_grey.json";
+            case 2:
+                return "cassette_grey.json";
+        }
+
+        return "delorean_grey.json";
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        // One-Way converter only
+        throw new NotImplementedException();
+    }
+}

Retronado.Maui/Converters/ExceptionToErrorMessageConverter.cs

@@ -0,0 +1,31 @@
+using System.Globalization;
+
+using Sample.Services;
+
+namespace Sample.Converters;
+
+public class ExceptionToErrorMessageConverter : IValueConverter, IMarkupExtension
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        var exception = value as Exception;
+
+        if (value == null)
+        {
+            return null;
+        }
+
+        return ApplicationExceptions.ToString(exception);
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        // One-Way converter only
+        throw new NotImplementedException();
+    }
+
+    public object ProvideValue(IServiceProvider serviceProvider)
+    {
+        return this;
+    }
+}

Retronado.Maui/Converters/ExceptionToImageSourceConverter.cs

@@ -0,0 +1,44 @@
+using System.Globalization;
+
+using Sample.Services;
+
+namespace Sample.Converters;
+
+public class ExceptionToImageSourceConverter : IValueConverter, IMarkupExtension
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if (value == null)
+        {
+            return null;
+        }
+
+        string imageName;
+
+        switch (value)
+        {
+            case ServerException:
+                imageName = "server.png";
+                break;
+            case NetworkException:
+                imageName = "the_internet.png";
+                break;
+            default:
+                imageName = "richmond.png";
+                break;
+        }
+
+        return ImageSource.FromFile(imageName);
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        // One-Way converter only
+        throw new NotImplementedException();
+    }
+
+    public object ProvideValue(IServiceProvider serviceProvider)
+    {
+        return this;
+    }
+}

Retronado.Maui/Converters/ExceptionToLottieConverter.cs

@@ -0,0 +1,40 @@
+
+using System.Globalization;
+
+using Sample.Services;
+
+namespace Sample.Converters;
+
+public class ExceptionToLottieConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if (value == null)
+        {
+            return null;
+        }
+
+        string imageName;
+
+        switch (value)
+        {
+            case ServerException serverException:
+                imageName = "server_error.json";
+                break;
+            case NetworkException networkException:
+                imageName = "connection_grey.json";
+                break;
+            default:
+                imageName = "sketch_grey.json";
+                break;
+        }
+
+        return imageName;
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        // One-Way converter only
+        throw new NotImplementedException();
+    }
+}

…erters/ListCountToVisibilityConverter.cs …erters/ListCountToVisibilityConverter.csRetronado/Sample/Converters/ListCountToVisibilityConverter.cs renamed to Retronado.Maui/Converters/ListCountToVisibilityConverter.cs Retronado/Sample/Converters/ListCountToVisibilityConverter.cs renamed to Retronado.Maui/Converters/ListCountToVisibilityConverter.cs

@@ -1,10 +1,5 @@
-using System;
-using System.Collections;
+using System.Collections;
 using System.Globalization;
-using Sample.Infrastructure;
-using Sample.Services;
-
-using Xamarin.Forms;
 
 namespace Sample.Converters
 {

…/StringToImageSourceResourceConverter.cs …/StringToImageSourceResourceConverter.csRetronado/Sample/Converters/StringToImageSourceResourceConverter.cs renamed to Retronado.Maui/Converters/StringToImageSourceResourceConverter.cs Retronado/Sample/Converters/StringToImageSourceResourceConverter.cs renamed to Retronado.Maui/Converters/StringToImageSourceResourceConverter.cs

@@ -1,9 +1,5 @@
-using System;
-using System.Globalization;
+using System.Globalization;
 using Sample.Infrastructure;
-using Sample.Services;
-
-using Xamarin.Forms;
 
 namespace Sample.Converters
 {

Retronado/Sample/CoreEntryPoint.cs Retronado.Maui/CoreEntryPoint.csRetronado/Sample/CoreEntryPoint.cs renamed to Retronado.Maui/CoreEntryPoint.cs

@@ -7,18 +7,13 @@
 // </summary>
 // --------------------------------------------------------------------------------------------------------------------
 
-using System;
-using System.Linq;
 using System.Reflection;
-using System.Threading.Tasks;
 
 using Sample.Domain;
 using Sample.Infrastructure;
 using Sample.Navigation;
 using Sample.Navigation.Impl;
 
-using Xamarin.Forms;
-
 namespace Sample
 {
     /// <summary>

…o/Sample/Domain/ApplicationExceptions.cs …ado.Maui/Domain/ApplicationExceptions.csRetronado/Sample/Domain/ApplicationExceptions.cs renamed to Retronado.Maui/Domain/ApplicationExceptions.cs Retronado/Sample/Domain/ApplicationExceptions.cs renamed to Retronado.Maui/Domain/ApplicationExceptions.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Net.Http;
-using System.Threading.Tasks;
-
-using IGDB;
+using IGDB;
 using IGDB.Models;
 
 using Newtonsoft.Json;