Resolved the namespace issue and symbol R

android/build.gradle

@@ -16,7 +16,7 @@ def MIN_IAP_SDK_VERSION = '1.6.6'
 
 android {
     compileSdkVersion 33
-
+    namespace "sqip.react"
     defaultConfig {
         minSdkVersion 24
         targetSdkVersion 33

android/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="sqip.react">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
 </manifest>
 

android/src/main/java/sqip/react/SquareInAppPaymentsModule.java

@@ -22,14 +22,19 @@
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 import sqip.InAppPaymentsSdk;
-
+import com.facebook.react.modules.core.DeviceEventManagerModule;
+import java.util.HashMap;
+import java.util.Map;
 class SquareInAppPaymentsModule extends ReactContextBaseJavaModule {
 
   private final Handler mainLooperHandler;
+  private final Map<String, Integer> listeners;
 
   public SquareInAppPaymentsModule(ReactApplicationContext reactContext) {
     super(reactContext);
     mainLooperHandler = new Handler(Looper.getMainLooper());
+    this.listeners = new HashMap<>();
+
   }
 
   @Override
@@ -47,4 +52,24 @@ public void run() {
       }
     });
   }
+
+    @ReactMethod
+    public void addListener(String eventName) {
+      if (!listeners.containsKey(eventName)) {
+        listeners.put(eventName, 1);
+    } else {
+        listeners.put(eventName, listeners.get(eventName) + 1);
+    }    }
+
+    @ReactMethod
+    public void removeListeners(Integer count) {
+      for (Map.Entry<String, Integer> entry : listeners.entrySet()) {
+        int currentCount = entry.getValue();
+        if (currentCount <= count) {
+            listeners.remove(entry.getKey());
+        } else {
+            listeners.put(entry.getKey(), currentCount - count);
+        }
+    }    }
 }
+