diff --git a/nMAC/Logger.cs b/nMAC/Logger.cs
index 7617f09..b76b46e 100644
--- a/nMAC/Logger.cs
+++ b/nMAC/Logger.cs
@@ -8,7 +8,7 @@ namespace nMAC
 {
     internal class Logger
     {
-        private TextView _txtLog;
+        private readonly TextView _txtLog;
 
         internal Logger(Context context)
         {
diff --git a/nMAC/MACFunctions.cs b/nMAC/MACFunctions.cs
index ca3013e..fa48fc8 100644
--- a/nMAC/MACFunctions.cs
+++ b/nMAC/MACFunctions.cs
@@ -11,6 +11,8 @@ namespace nMAC
 {
     internal static class MACFunctions
     {
+        private const string UnsupportedDeviceMessage = @"Sorry, this device not supported.
+Please contact me if you want to make it work!";
         internal static string MACFile;
         internal static string LocalMACFile;
         internal static string BackupMACFile;
@@ -23,8 +25,7 @@ internal static async Task AssignPaths(Context context)
 
             if (device == null)
             {
-                Helpers.ShowCriticalError(context, @"Sorry, this device not supported.
-Please contact me if you want to make it work!");
+                Helpers.ShowCriticalError(context, UnsupportedDeviceMessage);
                 return;
             }
 
@@ -76,8 +77,7 @@ internal static string ReadMAC(Context context)
 
             if (!Device.CheckFile(content))
             {
-                Helpers.ShowCriticalError(context, @"Sorry, this device not supported.
-Please contact me if you want to make it work!");
+                Helpers.ShowCriticalError(context, UnsupportedDeviceMessage);
                 return null;
             }
 
diff --git a/nMAC/MainActivity.cs b/nMAC/MainActivity.cs
index 7e70249..d77886c 100644
--- a/nMAC/MainActivity.cs
+++ b/nMAC/MainActivity.cs
@@ -20,30 +20,30 @@ protected override async void OnCreate(Bundle bundle)
         {
             base.OnCreate(bundle);
 
-            SetContentView(Resource.Layout.Main);
+            this.SetContentView(Resource.Layout.Main);
             ToggleViews(false);
 
-            Button btnRandomize = FindViewById<Button>(Resource.Id.btnRandomize);
+            Button btnRandomize = this.FindViewById<Button>(Resource.Id.btnRandomize);
             btnRandomize.Click += BtnRandomize_Click;
-            Button btnChange = FindViewById<Button>(Resource.Id.btnChange);
+            Button btnChange = this.FindViewById<Button>(Resource.Id.btnChange);
             btnChange.Click += BtnChange_Click;
-            Button btnRestore = FindViewById<Button>(Resource.Id.btnRestore);
+            Button btnRestore = this.FindViewById<Button>(Resource.Id.btnRestore);
             btnRestore.Click += BtnRestore_Click;
 
             InitializeLogger(this);
-            await AssignPaths(this);
+            Log("Checking SU availability...");
 
-            if (MACFile == null) // device not supported
+            if (!await CheckSUStrict(this))
             {
-                Log("Device not supported!");
+                Log("Error confirming SU access!");
                 return;
             }
 
-            Log("Checking SU availability...");
+            await AssignPaths(this);
 
-            if (!await CheckSUStrict(this))
+            if (MACFile == null) // device not supported
             {
-                Log("Error confirming SU access!");
+                Log("Device not supported!");
                 return;
             }
 
@@ -112,12 +112,12 @@ private void BtnRandomize_Click(object sender, EventArgs e)
 
         private void ToggleViews(bool state)
         {
-            RelativeLayout layoutMAC = FindViewById<RelativeLayout>(Resource.Id.layoutMAC);
+            RelativeLayout layoutMAC = this.FindViewById<RelativeLayout>(Resource.Id.layoutMAC);
 
             for (int i = 0; i < layoutMAC.ChildCount; i++)
                 layoutMAC.GetChildAt(i).Enabled = state;
 
-            RelativeLayout layoutButtons = FindViewById<RelativeLayout>(Resource.Id.layoutButtons);
+            RelativeLayout layoutButtons = this.FindViewById<RelativeLayout>(Resource.Id.layoutButtons);
 
             for (int i = 0; i < layoutButtons.ChildCount; i++)
                 layoutButtons.GetChildAt(i).Enabled = state;
@@ -196,7 +196,7 @@ private void SetMACViews(string MAC, bool excludeFirst = false)
                 }
             }
 
-            RelativeLayout layoutMAC = FindViewById<RelativeLayout>(Resource.Id.layoutMAC);
+            RelativeLayout layoutMAC = this.FindViewById<RelativeLayout>(Resource.Id.layoutMAC);
 
             for (int i = excludeFirst ? 1 : 0; i < layoutMAC.ChildCount; i++)
             {
@@ -213,7 +213,7 @@ private void SetMACViewsForRandom(string MAC)
 
         private string GetMACFromViews()
         {
-            RelativeLayout layoutMAC = FindViewById<RelativeLayout>(Resource.Id.layoutMAC);
+            RelativeLayout layoutMAC = this.FindViewById<RelativeLayout>(Resource.Id.layoutMAC);
             StringWriter stringWriter = new StringWriter();
 
             for (int i = 0; i < layoutMAC.ChildCount; i++)
diff --git a/nMAC/ProgressDialogFragment.cs b/nMAC/ProgressDialogFragment.cs
index 5de1143..061f9db 100644
--- a/nMAC/ProgressDialogFragment.cs
+++ b/nMAC/ProgressDialogFragment.cs
@@ -4,7 +4,7 @@
 
 namespace nMAC
 {
-    internal class ProgressDialogFragment : Android.App.DialogFragment
+    internal class ProgressDialogFragment : DialogFragment
     {
         private static string _message, _title;
         private static ProgressDialog _progressDialog;
diff --git a/nMAC/Properties/AndroidManifest.xml b/nMAC/Properties/AndroidManifest.xml
index 81fa56b..db67593 100644
--- a/nMAC/Properties/AndroidManifest.xml
+++ b/nMAC/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="virb3e.nMAC" android:versionCode="4" android:versionName="1.1" android:installLocation="auto">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="virb3e.nMAC" android:versionCode="5" android:versionName="1.101" android:installLocation="auto">
 	<uses-sdk android:minSdkVersion="16" />
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />