Add namespace

android/build.gradle

@@ -22,6 +22,7 @@ rootProject.allprojects {
 apply plugin: 'com.android.library'
 
 android {
+    namespace="com.example.vungle"
     compileSdkVersion 31
 
     defaultConfig {
@@ -43,4 +44,4 @@ dependencies {
   // Optional Google Play Services
   implementation 'com.google.android.gms:play-services-ads-identifier:18.0.1'
   implementation 'com.google.android.gms:play-services-location:21.0.1'
-}
+}

android/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:tools="http://schemas.android.com/tools"
-  package="com.vungle.plugin.flutter.vungle">
+  xmlns:tools="http://schemas.android.com/tools">
 
   <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" 
     tools:node="remove" 

android/src/main/java/com/vungle/plugin/flutter/vungle/VunglePlugin.java

@@ -23,7 +23,6 @@
 import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 import io.flutter.plugin.common.MethodChannel.Result;
-import io.flutter.plugin.common.PluginRegistry.Registrar;
 
 /** VunglePlugin */
 public class VunglePlugin implements FlutterPlugin, MethodCallHandler {
@@ -41,39 +40,21 @@ public class VunglePlugin implements FlutterPlugin, MethodCallHandler {
     consentStatusToStr.put(Vungle.Consent.OPTED_OUT, "Denied");
   }
 
-  /** v1 Plugin registration. */
-  public static void registerWith(Registrar registrar) {
-    final MethodChannel channel = new MethodChannel(registrar.messenger(), channelName);
-    channel.setMethodCallHandler(new VunglePlugin(registrar.context(), channel));
-  }
-
-  /** v2 Plugin registration */
-  private static void setup(VunglePlugin plugin, BinaryMessenger binaryMessenger) {
-    plugin.channel = new MethodChannel(binaryMessenger, channelName);
-    plugin.channel.setMethodCallHandler(plugin);
-  }
-
   @Override
   public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
     this.context = binding.getApplicationContext();
-    setup(this, binding.getBinaryMessenger());
+    this.channel = new MethodChannel(binding.getBinaryMessenger(), channelName);
+    this.channel.setMethodCallHandler(this);
   }
 
   @Override
   public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
     this.context = null;
+    this.channel.setMethodCallHandler(null);
+    this.channel = null;
   }
 
-  public VunglePlugin() {
-    // All Android plugin classes must support a no-args 
-    // constructor for v2.
-  }
-
-  private VunglePlugin(Context context, MethodChannel channel) {
-    this.context = context;
-    this.channel = channel;
-  }
-
+  @Override
   public void onMethodCall(MethodCall call, Result result) {
     if (call.method.equals("getPlatformVersion")) {
       result.success("Android " + android.os.Build.VERSION.RELEASE);
@@ -216,10 +197,6 @@ private void callIsAdPlayable(MethodCall call, Result result) {
     }
   }
 
-  private void callGetConsentStatus(MethodCall call, Result result) {
-
-  }
-
   private void callUpdateConsentStatus(MethodCall call, Result result) {
     String consentStatus = call.argument("consentStatus");
     String consentMessageVersion = call.argument("consentMessageVersion");