More refactoring of reflection helpers.

Author: Michael Pham

src/NativeCode.Mobile.AppCompat.Renderers/Extensions/EntryExtensions.cs

@@ -13,8 +13,6 @@ public static class EntryExtensions
     {
         private const string EntrySendCompleted = "SendCompleted";
 
-        private const BindingFlags InstanceNonPublic = BindingFlags.Instance | BindingFlags.NonPublic;
-
         private static readonly MethodInfo MethodSendCompleted;
 
         /// <summary>
@@ -23,7 +21,7 @@ public static class EntryExtensions
         static EntryExtensions()
         {
             var type = typeof(Entry);
-            MethodSendCompleted = type.GetMethod(EntrySendCompleted, InstanceNonPublic);
+            MethodSendCompleted = type.GetMethod(EntrySendCompleted, ReflectionHelper.InstanceNonPublic);
         }
 
         /// <summary>

src/NativeCode.Mobile.AppCompat.Renderers/Helpers/KeyboardHelper.cs

@@ -9,7 +9,7 @@ namespace NativeCode.Mobile.AppCompat.Renderers.Helpers
 
     using View = Android.Views.View;
 
-    internal static class KeyboardHelper
+    public static class KeyboardHelper
     {
         private const string KeyboardExtensionsType = "Xamarin.Forms.Platform.Android.KeyboardExtensions, Xamarin.Forms.Platform.Android";
 
@@ -21,8 +21,6 @@ internal static class KeyboardHelper
 
         private const string KeyboardManagerShowKeyboard = "ShowKeyboard";
 
-        private const BindingFlags StaticInternalMethods = BindingFlags.NonPublic | BindingFlags.Static;
-
         private static readonly MethodInfo MethodToInputType;
 
         private static readonly MethodInfo MethodHideKeyboard;
@@ -38,8 +36,8 @@ static KeyboardHelper()
             MethodToInputType = keyboardExtensionsType.GetMethod(KeyboardExtensionsToInputType);
 
             var keyboardManagerType = Type.GetType(KeyboardManagerType, true);
-            MethodHideKeyboard = keyboardManagerType.GetMethod(KeyboardManagerHideKeyboard, StaticInternalMethods);
-            MethodShowKeyboard = keyboardManagerType.GetMethod(KeyboardManagerShowKeyboard, StaticInternalMethods);
+            MethodHideKeyboard = keyboardManagerType.GetMethod(KeyboardManagerHideKeyboard, ReflectionHelper.InternalStatic);
+            MethodShowKeyboard = keyboardManagerType.GetMethod(KeyboardManagerShowKeyboard, ReflectionHelper.InternalStatic);
         }
 
         public static InputTypes GetInputType(Keyboard keyboard)

src/NativeCode.Mobile.AppCompat.Renderers/Helpers/ReflectionHelper.cs

@@ -3,13 +3,17 @@ namespace NativeCode.Mobile.AppCompat.Renderers.Helpers
     using System;
     using System.Reflection;
 
-    internal static class ReflectionHelper
+    public static class ReflectionHelper
     {
+        public const BindingFlags InstanceNonPublic = BindingFlags.Instance | BindingFlags.NonPublic;
+
+        public const BindingFlags InternalStatic = BindingFlags.NonPublic | BindingFlags.Static;
+
         public static readonly object[] EmptyParameters = new object[0];
 
         public static void SetFieldValue(object instance, string name, object value)
         {
-            var field = instance.GetType().GetField(name, BindingFlags.Instance | BindingFlags.NonPublic);
+            var field = instance.GetType().GetField(name, InstanceNonPublic);
 
             if (field == null)
             {