Update RNReactNativeBackgroundClipboardModule.java

android/src/main/java/cl/json/clipboard/RNReactNativeBackgroundClipboardModule.java

@@ -4,7 +4,8 @@ package cl.json.clipboard;
 import android.content.ClipboardManager;
 import android.content.ClipboardManager.OnPrimaryClipChangedListener;
 import android.util.Log;
-
+import android.os.Handler;
+import android.os.Looper;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContext;
@@ -15,7 +16,7 @@ public class RNReactNativeBackgroundClipboardModule extends ReactContextBaseJava
     private static final String TAG = "OnClipboard";
 
 
-    private ReactContext reactContext;
+    private final ReactContext reactContext;
     private ClipboardManager clipboardManager;
     private final ClipboardManager.OnPrimaryClipChangedListener listener = new ClipboardManager.OnPrimaryClipChangedListener(){
 
@@ -30,9 +31,17 @@ public class RNReactNativeBackgroundClipboardModule extends ReactContextBaseJava
     public RNReactNativeBackgroundClipboardModule(ReactApplicationContext reactContext) {
         super(reactContext);
         this.reactContext = reactContext;
+        Handler handler = new Handler(Looper.getMainLooper());
+        final ClipboardManager cm = this.clipboardManager;
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                RNReactNativeBackgroundClipboardModule.this.clipboardManager = (ClipboardManager) getReactApplicationContext().getSystemService(RNReactNativeBackgroundClipboardModule.this.reactContext.CLIPBOARD_SERVICE);
+                RNReactNativeBackgroundClipboardModule.this.clipboardManager.addPrimaryClipChangedListener(RNReactNativeBackgroundClipboardModule.this.listener);
+            }
+        });
+        //this.clipboardManager = (ClipboardManager) reactContext.getSystemService(reactContext.CLIPBOARD_SERVICE);
 
-        this.clipboardManager = (ClipboardManager) getReactApplicationContext().getSystemService(reactContext.CLIPBOARD_SERVICE);
-        this.clipboardManager.addPrimaryClipChangedListener(listener);
     }
 
     private void sendEvent(ReactContext reactContext, String eventName, Object eventValue) {