Finished Xamarin Custom Action

CustomAction/XAMARINCustomAction/.vs/XAMARINCustomAction/xs/UserPrefs.xml

@@ -3,16 +3,14 @@
     <Files>
       <File FileName="XAMARINCustomAction/MainPage.xaml.cs" Line="23" Column="50" />
       <File FileName="XAMARINCustomAction/ICustomAction.cs" />
-      <File FileName="XAMARINCustomAction.iOS/CustomActionIos.cs" Line="31" Column="17" />
+      <File FileName="XAMARINCustomAction.iOS/CustomActionIos.cs" Line="22" Column="6" />
       <File FileName="XAMARINCustomAction.iOS/Info.plist" />
     </Files>
     <Pads>
       <Pad Id="ProjectPad">
         <State name="__root__">
           <Node name="XAMARINCustomAction" expanded="True">
-            <Node name="XAMARINCustomAction" expanded="True">
-              <Node name="MainPage.xaml" expanded="True" />
-            </Node>
+            <Node name="XAMARINCustomAction" expanded="True" />
             <Node name="XAMARINCustomAction.iOS" expanded="True">
               <Node name="CustomActionIos.cs" selected="True" />
             </Node>
@@ -21,12 +19,12 @@
       </Pad>
     </Pads>
   </MonoDevelop.Ide.Workbench>
-  <MonoDevelop.Ide.ItemProperties.XAMARINCustomAction.Android AndroidDesignerPreferredTheme="Theme.AppCompat.Light.NoActionBar" FirstBuild="True" PreferredExecutionTarget="Android.galaxy_s9" />
+  <MonoDevelop.Ide.ItemProperties.XAMARINCustomAction.Android AndroidDesignerPreferredTheme="Theme.AppCompat.Light.NoActionBar" PreferredExecutionTarget="Android.galaxy_s9" />
   <MonoDevelop.Ide.DebuggingService.PinnedWatches />
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug" />
   <MonoDevelop.Ide.DebuggingService.Breakpoints>
     <BreakpointStore />
   </MonoDevelop.Ide.DebuggingService.Breakpoints>
   <MultiItemStartupConfigurations />
-  <MonoDevelop.Ide.ItemProperties.XAMARINCustomAction.iOS automaticSigning="False" PreferredExecutionTarget="MonoDevelop.IPhone.IPhoneSimulatorTarget.460FFED4-D83A-483B-AAED-00139629E88A" />
+  <MonoDevelop.Ide.ItemProperties.XAMARINCustomAction.iOS automaticSigning="False" PreferredExecutionTarget="MonoDevelop.IPhone.IPhoneSimulatorTarget.6A0D46CD-3857-45D7-84A7-211D7D713F41" />
 </Properties>
\ No newline at end of file

CustomAction/XAMARINCustomAction/XAMARINCustomAction.iOS/CustomActionIos.cs

@@ -19,28 +19,53 @@ namespace XAMARINCustomAction.iOS
             mainpage = page;
             var iospage = page.GetRenderer().ViewController;
 
-            UIAccessibilityCustomAction up = new UIAccessibilityCustomAction(name: "Increment", target: iospage, selector: new Selector("Increment:"));
-            UIAccessibilityCustomAction down = new UIAccessibilityCustomAction(name: "Decrement", target: iospage, selector: new Selector("Decrement:"));
+            UIAccessibilityCustomAction up = new UIAccessibilityCustomAction("Increment", actionHandler: Increment);
+            UIAccessibilityCustomAction down = new UIAccessibilityCustomAction("Decrement", actionHandler: Decrement);
             iospage.AccessibilityCustomActions = new UIAccessibilityCustomAction[2] { up, down };
+            Debug.WriteLine($"PIPPO: DS, counter = {MainPage.counter.Text}");
 
         }
 
-        [Export("Increment:")]
-        private void Increment()
+        private bool Increment(UIAccessibilityCustomAction customAction)
+        {
+            int n = Int32.Parse(MainPage.counter.Text) + 1;
+            Debug.WriteLine("PIPPO: clicked increment");
+            MainPage.counter.Text = "" + (n);
+            return true;
+        }
+
+        private bool Decrement(UIAccessibilityCustomAction customAction)
+        {
+            int n = Int32.Parse(MainPage.counter.Text);
+            if (n <= 0)
+            {
+                return false;
+            }
+            Debug.WriteLine("PIPPO: clicked decrement");
+            n--;
+            MainPage.counter.Text = "" + (n);
+            return true;
+        }
+
+
+
+        /*private bool Increment()
         {
             int n = Int32.Parse(mainpage.counter.Text);
-            Console.WriteLine($"PIPPO: clicked on increment {n}");
+            Console.WriteLine("PIPPO: clicked on increment");
             Debug.WriteLine($"PIPPO: clicked on increment {n}");
             mainpage.counter.Text = "" + (n++);
-        }
 
-        [Export("Decrement:")]
+        }*/
+
+
+        /*[Export("Decrement:")]
         private void Decrement()
         {
             Console.WriteLine("PIPPO: clicked on decrement");
             int n = Int32.Parse(mainpage.counter.Text);
             mainpage.counter.Text = "" + (n--);
-        }
+        }*/
 
     }
 }

CustomAction/XAMARINCustomAction/XAMARINCustomAction/MainPage.xaml.cs

@@ -14,7 +14,7 @@ namespace XAMARINCustomAction
     [DesignTimeVisible(false)]
     public partial class MainPage : ContentPage
     {
-        public Label text, counter;
+        public static Label text, counter;
 
         public MainPage()
         {