fix: do not override addListener

It seems overriding capacitor method was not a good idea

Fixes #2

README.md

@@ -20,6 +20,7 @@ npx cap sync
 * [`startScanning()`](#startscanning)
 * [`stopScanning()`](#stopscanning)
 * [`addListener('scan', ...)`](#addlistenerscan-)
+* [`__registerReceiver()`](#__registerreceiver)
 * [Interfaces](#interfaces)
 * [Type Aliases](#type-aliases)
 
@@ -144,6 +145,20 @@ Listen for successful barcode readings
 --------------------
 
 
+### __registerReceiver()
+
+```typescript
+__registerReceiver() => Promise<void>
+```
+
+Internal method to register intent broadcast receiver 
+THIS METHOD IS FOR INTERNAL USE ONLY
+
+**Since:** 0.1.3
+
+--------------------
+
+
 ### Interfaces
 
 

android/src/main/java/com/jkbz/capacitor/datawedge/DataWedgePlugin.java

@@ -87,31 +87,24 @@ public void stopScanning(PluginCall call) {
     }
 
     @PluginMethod
-    @Override
-    public void addListener(PluginCall call) {
-        if (!isReceiverRegistered) {
-            registerReceiver();
-            isReceiverRegistered = true;
-        }
-
-        super.addListener(call);
-    }
+    public void __registerReceiver(PluginCall call) { 
+        if (isReceiverRegistered) return;
 
-    private void broadcast(Intent intent) {
-        Context context = getBridge().getContext();
-        context.sendBroadcast(intent);
-    }
-
-    private void registerReceiver() { 
         Context context = getBridge().getContext();
         try {
             IntentFilter filter = new IntentFilter(DataWedge.DATAWEDGE_INPUT_FILTER);
             context.registerReceiver(broadcastReceiver, filter);
+            isReceiverRegistered = true;
         } catch(Exception e) {
             Log.d("Capacitor/DataWedge", "Failed to register event receiver");
         }
     }
 
+    private void broadcast(Intent intent) {
+        Context context = getBridge().getContext();
+        context.sendBroadcast(intent);
+    }
+
     private boolean isReceiverRegistered = false;
     private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
         @Override

src/definitions.ts

@@ -78,4 +78,13 @@ export interface DataWedgePlugin {
     eventName: 'scan',
     listenerFunc: ScanListener
   ): Promise<PluginListenerHandle> & PluginListenerHandle;
+
+  /**
+   * Internal method to register intent broadcast receiver 
+   * THIS METHOD IS FOR INTERNAL USE ONLY
+   * 
+   * @since 0.1.3
+   * @private
+   */
+  __registerReceiver(): Promise<void>;
 }

src/index.ts

@@ -1,10 +1,14 @@
-import { registerPlugin } from '@capacitor/core';
+import { Capacitor, registerPlugin } from '@capacitor/core';
 
 import type { DataWedgePlugin } from './definitions';
 
 const DataWedge = registerPlugin<DataWedgePlugin>('DataWedge', {
   web: () => import('./web').then(m => new m.DataWedgeWeb()),
 });
 
+if (Capacitor.isNativePlatform()) {
+  DataWedge.__registerReceiver();
+}
+
 export * from './definitions';
 export { DataWedge };

src/web.ts

@@ -26,4 +26,8 @@ export class DataWedgeWeb extends WebPlugin implements DataWedgePlugin {
   async stopScanning(): Promise<void> {
     throw 'DataWedge is not supported on web';
   }
+
+  async __registerReceiver(): Promise<void> {
+    // no-op
+  }
 }