basic logic

Billing.Shared/UI/Definition.cs

@@ -1,4 +1,7 @@
-namespace Billing.UI;
+using System;
+using Xamarin.Forms;
+
+namespace Billing.UI;
 
 public static partial class Definition
 {
@@ -7,3 +10,59 @@ public static partial class Definition
     public static partial string GetRobotoCondensedRegularFontFamily();
     public static partial string GetRobotoCondensedBoldFontFamily();
 }
+
+public static class ExtensionHelper
+{
+    public static View Binding(this View view, BindableProperty property, string path, BindingMode mode = BindingMode.Default, IValueConverter converter = null)
+    {
+        view.SetBinding(property, path, mode, converter);
+        return view;
+    }
+
+    public static View DynamicResource(this View view, BindableProperty property, string key)
+    {
+        view.SetDynamicResource(property, key);
+        return view;
+    }
+
+    public static View GridColumn(this View view, int column)
+    {
+        Grid.SetColumn(view, column);
+        return view;
+    }
+
+    public static View GridRow(this View view, int row)
+    {
+        Grid.SetRow(view, row);
+        return view;
+    }
+}
+
+public class Tap : IDisposable
+{
+    private readonly static object sync = new();
+    private static Tap instance;
+
+    private bool busy = false;
+
+    private Tap() { }
+
+    public static bool IsBusy => instance?.busy ?? false;
+
+    public static Tap Start()
+    {
+        lock (sync)
+        {
+            (instance ??= new Tap()).busy = true;
+        }
+        return instance;
+    }
+
+    public void Dispose()
+    {
+        lock (sync)
+        {
+            busy = false;
+        }
+    }
+}