diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/Properties/AndroidManifest.xml b/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/Properties/AndroidManifest.xml
index 3fc7e1d..e9615b2 100644
--- a/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/Properties/AndroidManifest.xml
+++ b/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.companyname.UnboundMode_Checkbox">
-    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="27" />
+    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="28" />
     <application android:label="UnboundMode_Checkbox.Android"></application>
 </manifest>
diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/UnboundMode_Checkbox.Android.csproj b/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/UnboundMode_Checkbox.Android.csproj
index 8afa559..7fc3fa8 100644
--- a/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/UnboundMode_Checkbox.Android.csproj
+++ b/UnboundMode_Checkbox/UnboundMode_Checkbox.Android/UnboundMode_Checkbox.Android.csproj
@@ -16,7 +16,7 @@
     <MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
     <AndroidUseLatestPlatformSdk>false</AndroidUseLatestPlatformSdk>
-    <TargetFrameworkVersion>v8.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v9.0</TargetFrameworkVersion>
     <AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
@@ -50,17 +50,12 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Syncfusion.Xamarin.Buttons">
-      <Version>17.1.0.42</Version>
+      <Version>18.4.0.44</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfTreeView">
-      <Version>17.1.0.42</Version>
+      <Version>18.4.0.44</Version>
     </PackageReference>
-    <PackageReference Include="Xamarin.Forms" Version="3.4.0.1008975" />
-    <PackageReference Include="Xamarin.Android.Support.Design" Version="27.0.2.1" />
-    <PackageReference Include="Xamarin.Android.Support.v7.AppCompat" Version="27.0.2.1" />
-    <PackageReference Include="Xamarin.Android.Support.v4" Version="27.0.2.1" />
-    <PackageReference Include="Xamarin.Android.Support.v7.CardView" Version="27.0.2.1" />
-    <PackageReference Include="Xamarin.Android.Support.v7.MediaRouter" Version="27.0.2.1" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="MainActivity.cs" />
diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox.UWP/UnboundMode_Checkbox.UWP.csproj b/UnboundMode_Checkbox/UnboundMode_Checkbox.UWP/UnboundMode_Checkbox.UWP.csproj
index 7afd548..e7563dd 100644
--- a/UnboundMode_Checkbox/UnboundMode_Checkbox.UWP/UnboundMode_Checkbox.UWP.csproj
+++ b/UnboundMode_Checkbox/UnboundMode_Checkbox.UWP/UnboundMode_Checkbox.UWP.csproj
@@ -11,8 +11,8 @@
     <AssemblyName>UnboundMode_Checkbox.UWP</AssemblyName>
     <DefaultLanguage>en-US</DefaultLanguage>
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <TargetPlatformVersion>10.0.16299.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.16299.0</TargetPlatformMinVersion>
+    <TargetPlatformVersion>10.0.17763.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
     <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
     <EnableDotNetNativeCompatibleProfile>true</EnableDotNetNativeCompatibleProfile>
     <FileAlignment>512</FileAlignment>
@@ -144,12 +144,12 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Syncfusion.Xamarin.Buttons">
-      <Version>17.1.0.42</Version>
+      <Version>18.4.0.44</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfTreeView">
-      <Version>17.1.0.42</Version>
+      <Version>18.4.0.44</Version>
     </PackageReference>
-    <PackageReference Include="Xamarin.Forms" Version="3.4.0.1008975" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.1.5" />
   </ItemGroup>
   <ItemGroup>
diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox.iOS/UnboundMode_Checkbox.iOS.csproj b/UnboundMode_Checkbox/UnboundMode_Checkbox.iOS/UnboundMode_Checkbox.iOS.csproj
index 1045279..9bc8336 100644
--- a/UnboundMode_Checkbox/UnboundMode_Checkbox.iOS/UnboundMode_Checkbox.iOS.csproj
+++ b/UnboundMode_Checkbox/UnboundMode_Checkbox.iOS/UnboundMode_Checkbox.iOS.csproj
@@ -149,12 +149,12 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Syncfusion.Xamarin.Buttons">
-      <Version>17.1.0.42</Version>
+      <Version>18.4.0.44</Version>
     </PackageReference>
     <PackageReference Include="Syncfusion.Xamarin.SfTreeView">
-      <Version>17.1.0.42</Version>
+      <Version>18.4.0.44</Version>
     </PackageReference>
-    <PackageReference Include="Xamarin.Forms" Version="3.4.0.1008975" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
   <ItemGroup>
diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox/UnboundMode_Checkbox.csproj b/UnboundMode_Checkbox/UnboundMode_Checkbox/UnboundMode_Checkbox.csproj
index b2df628..843e405 100644
--- a/UnboundMode_Checkbox/UnboundMode_Checkbox/UnboundMode_Checkbox.csproj
+++ b/UnboundMode_Checkbox/UnboundMode_Checkbox/UnboundMode_Checkbox.csproj
@@ -10,8 +10,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Syncfusion.Xamarin.Buttons" Version="17.1.0.42" />
-    <PackageReference Include="Syncfusion.Xamarin.SfTreeView" Version="17.1.0.42" />
-    <PackageReference Include="Xamarin.Forms" Version="3.4.0.1008975" />
+    <PackageReference Include="Syncfusion.Xamarin.Buttons" Version="18.4.0.44" />
+    <PackageReference Include="Syncfusion.Xamarin.SfTreeView" Version="18.4.0.44" />
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.617" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox/MainPage.xaml b/UnboundMode_Checkbox/UnboundMode_Checkbox/Views/MainPage.xaml
similarity index 100%
rename from UnboundMode_Checkbox/UnboundMode_Checkbox/MainPage.xaml
rename to UnboundMode_Checkbox/UnboundMode_Checkbox/Views/MainPage.xaml
diff --git a/UnboundMode_Checkbox/UnboundMode_Checkbox/MainPage.xaml.cs b/UnboundMode_Checkbox/UnboundMode_Checkbox/Views/MainPage.xaml.cs
similarity index 100%
rename from UnboundMode_Checkbox/UnboundMode_Checkbox/MainPage.xaml.cs
rename to UnboundMode_Checkbox/UnboundMode_Checkbox/Views/MainPage.xaml.cs