From 0899427913e1a2e9dc276a7a7f7504cb7cb895d9 Mon Sep 17 00:00:00 2001
From: "N.DZL" <cxnt48@gmail.com>
Date: Fri, 2 Feb 2024 15:27:36 +0100
Subject: [PATCH] Switchin OFF/ON Datawedge via intent APIs

Reference https://techdocs.zebra.com/datawedge/latest/guide/api/scannerinputplugin/
---
 datawedge-MAUI-SampleApp/MainPage.xaml        | 30 ++++++++++++-
 datawedge-MAUI-SampleApp/MainPage.xaml.cs     | 18 +++++++-
 .../Platforms/Android/MainActivity.cs         | 42 ++++++++++++++++---
 .../Properties/launchSettings.json            |  4 ++
 .../datawedge-MAUI-SampleApp.csproj           | 12 +++++-
 5 files changed, 97 insertions(+), 9 deletions(-)

diff --git a/datawedge-MAUI-SampleApp/MainPage.xaml b/datawedge-MAUI-SampleApp/MainPage.xaml
index a95393f..a653e78 100644
--- a/datawedge-MAUI-SampleApp/MainPage.xaml
+++ b/datawedge-MAUI-SampleApp/MainPage.xaml
@@ -30,13 +30,41 @@
                 x:Name="lbDisplayBarcodeData"
                 />
 
-            <Button
+            <HorizontalStackLayout>
+                <Button
                 x:Name="CounterBtn"
                 Text="Click me"
                 SemanticProperties.Hint="Counts the number of times you click"
                 Clicked="OnCounterClicked"
                 HorizontalOptions="Center" />
 
+                <Label
+              Text=" "
+              SemanticProperties.HeadingLevel="Level1"
+              FontSize="32"
+              HorizontalOptions="Center" />
+
+                <Button
+                x:Name="DwOFF"
+                Text="DW OFF"
+                SemanticProperties.Hint="To switch off Datawedge"
+                Clicked="OnDWOFFClicked"
+                HorizontalOptions="Center" />
+
+                <Label
+              Text=" "
+              SemanticProperties.HeadingLevel="Level1"
+              FontSize="32"
+              HorizontalOptions="Center" />
+
+                <Button
+                x:Name="DwON"
+                Text="DW ON"
+                SemanticProperties.Hint="To switch on Datawedge"
+                Clicked="OnDWONClicked"
+                HorizontalOptions="Center" />
+            </HorizontalStackLayout>
+
         </VerticalStackLayout>
     </ScrollView>
 
diff --git a/datawedge-MAUI-SampleApp/MainPage.xaml.cs b/datawedge-MAUI-SampleApp/MainPage.xaml.cs
index 65eabd6..74edcc3 100644
--- a/datawedge-MAUI-SampleApp/MainPage.xaml.cs
+++ b/datawedge-MAUI-SampleApp/MainPage.xaml.cs
@@ -1,4 +1,7 @@
 using CommunityToolkit.Mvvm.Messaging;
+using Java.Lang;
+using System.Security.AccessControl;
+using System.Xml.Linq;
 
 namespace datawedge_MAUI_SampleApp;
 
@@ -12,7 +15,8 @@ public MainPage()
 
 		WeakReferenceMessenger.Default.Register<string>(this, (r, m) =>
 		{
-			MainThread.BeginInvokeOnMainThread(() => { lbDisplayBarcodeData.Text += "\n"+m; });
+			if(m.Length>2)
+				MainThread.BeginInvokeOnMainThread(() => { lbDisplayBarcodeData.Text += "\n" + m; });
 		});
 	}
 
@@ -27,5 +31,17 @@ private void OnCounterClicked(object sender, EventArgs e)
 
 		SemanticScreenReader.Announce(CounterBtn.Text);
 	}
+
+    private void OnDWOFFClicked(object sender, EventArgs e)
+    {
+        WeakReferenceMessenger.Default.Send("11");
+        WeakReferenceMessenger.Default.Send("SWITCHING OFF DW");
+    }
+
+    private void OnDWONClicked(object sender, EventArgs e)
+    {
+        WeakReferenceMessenger.Default.Send("22");
+        WeakReferenceMessenger.Default.Send("SWITCHING ON DW");
+    }
 }
 
diff --git a/datawedge-MAUI-SampleApp/Platforms/Android/MainActivity.cs b/datawedge-MAUI-SampleApp/Platforms/Android/MainActivity.cs
index 40c80ce..5c89010 100644
--- a/datawedge-MAUI-SampleApp/Platforms/Android/MainActivity.cs
+++ b/datawedge-MAUI-SampleApp/Platforms/Android/MainActivity.cs
@@ -5,6 +5,7 @@
 using Android.Util;
 using CommunityToolkit.Mvvm.Messaging;
 using datawedge_MAUI_SampleApp.Platforms.Android;
+using Java.Lang;
 using System.Diagnostics.Metrics;
 using System.Security.AccessControl;
 using System.Xml.Linq;
@@ -15,17 +16,47 @@ namespace datawedge_MAUI_SampleApp;
 [Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true)]
 public class MainActivity : MauiAppCompatActivity
 {
-	protected override void OnCreate(Bundle savedInstanceState) {
-        base.OnCreate(savedInstanceState);
+    //protected override void OnCreate(Bundle savedInstanceState) {
+    protected override void OnPostCreate(Bundle savedInstanceState)
+    { 
+        base.OnPostCreate(savedInstanceState);
         RegisterReceivers();
 
+
+
+
+            WeakReferenceMessenger.Default.Register<string>(this, (r, li) =>
+            {
+                MainThread.BeginInvokeOnMainThread(() => {
+                    if (li == "11")
+                    {
+                        Intent i = new Intent();
+                        i.SetAction("com.symbol.datawedge.api.ACTION");
+                        i.PutExtra("com.symbol.datawedge.api.SCANNER_INPUT_PLUGIN", "DISABLE_PLUGIN");
+                        i.PutExtra("SEND_RESULT", "true");
+                        i.PutExtra("COMMAND_IDENTIFIER", "MY_DISABLE_SCANNER");  //Unique identifier
+                        this.SendBroadcast(i);
+                    }
+                    else if (li=="22") {
+                        Intent i = new Intent();
+                        i.SetAction("com.symbol.datawedge.api.ACTION");
+                        i.PutExtra("com.symbol.datawedge.api.SCANNER_INPUT_PLUGIN", "ENABLE_PLUGIN");
+                        i.PutExtra("SEND_RESULT", "true");
+                        i.PutExtra("COMMAND_IDENTIFIER", "MY_ENABLE_SCANNER");  //Unique identifier
+                        this.SendBroadcast(i);
+                    }
+
+                });
+            });
         //showing saved states 
         try
         {
-            String savedDatetime = savedInstanceState.GetString("time");
+            string savedDatetime = savedInstanceState.GetString("time");
             if (savedDatetime is not null)
                 WeakReferenceMessenger.Default.Send("Saved DateTime=" + savedDatetime);
-        }catch(Exception ex) {
+
+        }
+        catch(System.Exception ex) {
             WeakReferenceMessenger.Default.Send("No previously saved instance available");
         }
     }
@@ -33,7 +64,7 @@ protected override void OnCreate(Bundle savedInstanceState) {
 
     protected override void OnSaveInstanceState(Bundle outState)
     {
-        String currentDatetime = DateTime.Now.ToString();
+        string currentDatetime = DateTime.Now.ToString();
         outState.PutString("time", currentDatetime);
         base.OnSaveInstanceState(outState);
     }
@@ -43,6 +74,7 @@ void RegisterReceivers()
 		IntentFilter filter = new IntentFilter();
 		filter.AddCategory("android.intent.category.DEFAULT");
 		filter.AddAction("com.ndzl.DW");
+		filter.AddAction("com.zebra.sensors");
 
 		Intent regres = RegisterReceiver(new DWIntentReceiver(), filter);
 	}
diff --git a/datawedge-MAUI-SampleApp/Properties/launchSettings.json b/datawedge-MAUI-SampleApp/Properties/launchSettings.json
index edf8aad..6ba31c2 100644
--- a/datawedge-MAUI-SampleApp/Properties/launchSettings.json
+++ b/datawedge-MAUI-SampleApp/Properties/launchSettings.json
@@ -3,6 +3,10 @@
     "Windows Machine": {
       "commandName": "MsixPackage",
       "nativeDebugging": false
+    },
+    "WSL": {
+      "commandName": "WSL2",
+      "distributionName": ""
     }
   }
 }
\ No newline at end of file
diff --git a/datawedge-MAUI-SampleApp/datawedge-MAUI-SampleApp.csproj b/datawedge-MAUI-SampleApp/datawedge-MAUI-SampleApp.csproj
index 6b02a45..e7bbc75 100644
--- a/datawedge-MAUI-SampleApp/datawedge-MAUI-SampleApp.csproj
+++ b/datawedge-MAUI-SampleApp/datawedge-MAUI-SampleApp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net6.0-maccatalyst;net6.0-android33.0</TargetFrameworks>
+		<TargetFrameworks>net8.0-android34.0</TargetFrameworks>
 		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
 		<!-- <TargetFrameworks>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
 		<OutputType>Exe</OutputType>
@@ -33,6 +33,14 @@
 	  <AndroidPackageFormat>apk</AndroidPackageFormat>
 	</PropertyGroup>
 
+	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-android34.0|AnyCPU'">
+	  <AndroidKeyStore>False</AndroidKeyStore>
+	</PropertyGroup>
+
+	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-android34.0|AnyCPU'">
+	  <AndroidKeyStore>False</AndroidKeyStore>
+	</PropertyGroup>
+
 	<ItemGroup>
 		<!-- App Icon -->
 		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
@@ -52,7 +60,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-	  <PackageReference Include="CommunityToolkit.Mvvm" Version="8.1.0" />
+	  <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
 	</ItemGroup>
 
 </Project>