Finished the design, connected back button to relavant pages and made…

… image buttons the home screen

Local/AboutTheAuthor.xaml.cs

@@ -19,14 +19,17 @@ namespace Local
         {
             InitializeComponent();
         }
-        async void RotateButton(object sender, EventArgs args)
+
+        private async void RotateButton(object sender, EventArgs args)
         {
             await label.RelRotateTo(360, 1000);
         }
 
-            async void OnImageButtonClicked(object sender, EventArgs e)
+        private async void OnImageButtonClicked(object sender, EventArgs e)
         {
             await Navigation.PushAsync(new ImageView());
         }
+
+
     }
 }

Local/App.xaml.cs

@@ -6,7 +6,7 @@ namespace Local
 {
     public partial class App : Application
     {
-        static Database database;
+        private static Database database;
 
         public static Database Database
         {
@@ -24,7 +24,7 @@ namespace Local
         {
             InitializeComponent();
 
-            MainPage = new NavigationPage(new TestPage());
+            MainPage = new NavigationPage(new ImageView());
         }
 
         protected override void OnStart()

Local/Database.cs

@@ -6,7 +6,7 @@ namespace Local
 {
     public class Database
     {
-        readonly SQLiteAsyncConnection _database;
+        private readonly SQLiteAsyncConnection _database;
 
         public Database(string dbPath)
         {

Local/HomePage.cs

@@ -4,7 +4,7 @@ using System.Text;
 
 namespace Local
 {
-    class HomePage
+    internal class HomePage
     {
     }
 }

Local/ImageView.xaml.cs

@@ -16,15 +16,15 @@ namespace Local
         {
             InitializeComponent();
         }
-        
+
         private async void NoteImageButton(object sender, EventArgs e)
         {
             await Navigation.PushAsync(new MainPage());
         }
 
         private async void CameraImageButton(object sender, EventArgs e)
         {
-            await Navigation.PushAsync(new TestPage());
+            await Navigation.PushAsync(new Page3());
         }
 
         private async void AboutTheCreator(object sender, EventArgs e)

Local/MainPage.xaml.cs

@@ -21,7 +21,7 @@ namespace Local
             listView.ItemsSource = await App.Database.GetPeopleAsync();
         }
 
-        async void OnButtonClicked(object sender, EventArgs e)
+        private async void OnButtonClicked(object sender, EventArgs e)
         {
             if (!string.IsNullOrWhiteSpace(nameEntry.Text) && !string.IsNullOrWhiteSpace(ageEntry.Text))
             {
@@ -37,7 +37,7 @@ namespace Local
 
         }
 
-        async void OnImage_Button(object sender, EventArgs e)
+        private async void OnImage_Button(object sender, EventArgs e)
         {
             await Navigation.PushAsync(new ImageView());
         }

Local/TestPage.cs

@@ -37,8 +37,12 @@ namespace Local
             _button.Clicked += _button_Image_Clicked;
             stackLayout.Children.Add(_button);
 
+
+
         }
 
+
+
         private async void _button_Image_Clicked(object sender, EventArgs e)
         {
             await Navigation.PushAsync(new ImageView());
@@ -54,7 +58,7 @@ namespace Local
             await Navigation.PushAsync(new Page3());
         }
 
-        private  async void _button_Clicked(object sender, EventArgs e)
+        private async void _button_Clicked(object sender, EventArgs e)
         {
             await Navigation.PushAsync(new MainPage());
         }