update example

Examples/simple-fcm-client/app/App.js

@@ -16,9 +16,11 @@ import {
 
 import FCM from "react-native-fcm";
 
-require("./Listeners");
+import {registerKilledListener, registerAppListener} from "./Listeners";
 import firebaseClient from  "./FirebaseClient";
 
+registerKilledListener();
+
 export default class App extends Component {
   constructor(props) {
     super(props);
@@ -30,6 +32,7 @@ export default class App extends Component {
   }
 
   async componentDidMount(){
+    registerAppListener();
     FCM.getInitialNotification().then(notif => {
       this.setState({
         initNotif: notif

Examples/simple-fcm-client/app/Listeners.js

@@ -10,7 +10,16 @@ AsyncStorage.getItem('lastNotification').then(data=>{
   }
 })
 
-FCM.on(FCMEvent.Notification, notif => {
+export function registerKilledListener(){
+  // these callback will be triggered even when app is killed
+  FCM.on(FCMEvent.Notification, notif => {
+    AsyncStorage.setItem('lastNotification', JSON.stringify(notif));
+  });
+}
+
+// these callback will be triggered only when app is foreground or background
+export function registerAppListener(){
+  FCM.on(FCMEvent.Notification, notif => {
     console.log("Notification", notif);
     if(notif.local_notification){
       return;
@@ -19,9 +28,6 @@ FCM.on(FCMEvent.Notification, notif => {
       return;
     }
 
-  // write to local storage even when app is killed
-  AsyncStorage.setItem('lastNotification', JSON.stringify(notif));
-
     if(Platform.OS ==='ios'){
             //optional
             //iOS requires developers to call completionHandler to end notification process. If you do not call it your background remote notifications could be throttled, to read more about it see the above documentation link.
@@ -39,17 +45,18 @@ FCM.on(FCMEvent.Notification, notif => {
                 break;
             }
     }
-});
+  });
 
-FCM.on(FCMEvent.RefreshToken, token => {
+  FCM.on(FCMEvent.RefreshToken, token => {
     console.log("TOKEN (refreshUnsubscribe)", token);
     this.props.onChangeToken(token);
-});
+  });
 
-FCM.enableDirectChannel();
-FCM.on(FCMEvent.DirectChannelConnectionChanged, (data) => {
+  FCM.enableDirectChannel();
+  FCM.on(FCMEvent.DirectChannelConnectionChanged, (data) => {
     console.log('direct channel connected' + data);
-});
-setTimeout(function() {
+  });
+  setTimeout(function() {
     FCM.isDirectChannelEstablished().then(d => console.log(d));
-}, 1000);
+  }, 1000);
\ No newline at end of file
+}