test

app/src/main/java/com/example/notifyservice/MainActivity.java

@@ -129,6 +129,7 @@ public class MainActivity extends AppCompatActivity implements PostRequestCallba
     protected void onCreate(Bundle savedInstanceState) {
         Log.i("a", "1"); // STATIC
         super.onCreate(savedInstanceState);
+        unregisterReceiver(notificationReceiver);
         notificationReceiver = new NotificationReceiver();
 
         setContentView(R.layout.activity_main);