fixed size icons

src/Android/Effects/FixedSizeEffect.cs

@@ -0,0 +1,26 @@
+using Android.Support.Design.BottomNavigation;
+using Android.Support.Design.Widget;
+using Android.Views;
+using Android.Widget;
+using Bit.Droid.Effects;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.Android;
+
+[assembly: ExportEffect(typeof(FixedSizeEffect), "FixedSizeEffect")]
+namespace Bit.Droid.Effects
+{
+    public class FixedSizeEffect : PlatformEffect
+    {
+        protected override void OnAttached()
+        {
+            if(Element is Label label && Control is TextView textView)
+            {
+                textView.SetTextSize(Android.Util.ComplexUnitType.Pt, (float)label.FontSize);
+            }
+        }
+
+        protected override void OnDetached()
+        {
+        }
+    }
+}