Allow to define a default channel in AndroidManifest, useful for foreground notification.

Author: Dallas62

CHANGELOG.md

@@ -12,6 +12,20 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 
 ### Fixed
 
+## [6.1.0] 2020-09-28
+
+### Features
+
+- (Android) Allow a default channel in the `AndroidManifest`:
+  ```xml
+        <meta-data android:name="com.dieam.reactnativepushnotification.default_notification_channel_id" android:value="..."/>
+  ```
+  If not defined, fallback to the Firebase value of:
+  ```xml
+        <meta-data android:name="com.google.firebase.messaging.default_notification_channel_id" android:value="..."/>
+  ```
+  If not defined, fallback to the default Firebase channel id `fcm_fallback_notification_channel`
+
 ## [6.0.0] 2020-09-26
 
 ### Breaking changes

README.md

@@ -420,6 +420,22 @@ If you want to use a different default channel for remote notification, refer to
       android:value="@string/default_notification_channel_id" />
 ```
 
+For local notifications, the same kind of option is available:
+
+- you can use:
+  ```xml
+    <meta-data
+        android:name="com.dieam.reactnativepushnotification.default_notification_channel_id"
+        android:value="@string/default_notification_channel_id" />
+  ```
+- If not defined, fallback to the Firebase value defined in the `AndroidManifest`:
+  ```xml
+    <meta-data
+        android:name="com.google.firebase.messaging.default_notification_channel_id"
+        android:value="..." />
+  ```
+- If not defined, fallback to the default Firebase channel id `fcm_fallback_notification_channel`
+
 ### List channels
 
 You can list available channels with:

android/src/main/java/com/dieam/reactnativepushnotification/modules/RNPushNotificationConfig.java

@@ -8,6 +8,8 @@
 import android.util.Log;
 
 class RNPushNotificationConfig {
+    private static final String KEY_NOTIFICATION_FIREBASE_DEFAULT_CHANNEL_ID = "com.google.firebase.messaging.default_notification_channel_id";
+    private static final String KEY_NOTIFICATION_DEFAULT_CHANNEL_ID = "com.dieam.reactnativepushnotification.default_notification_channel_id";
     private static final String KEY_NOTIFICATION_FOREGROUND = "com.dieam.reactnativepushnotification.notification_foreground";
     private static final String KEY_NOTIFICATION_COLOR = "com.dieam.reactnativepushnotification.notification_color";
 
@@ -63,4 +65,16 @@ public boolean getNotificationForeground() {
         // Default
         return false;
     }
+
+    public String getNotificationDefaultChannelId() {
+        try {
+            return getStringValue(KEY_NOTIFICATION_DEFAULT_CHANNEL_ID,
+              getStringValue(KEY_NOTIFICATION_FIREBASE_DEFAULT_CHANNEL_ID, "fcm_fallback_notification_channel")
+            );
+        } catch (Exception e) {
+            Log.w(RNPushNotification.LOG_TAG, "Unable to find " + KEY_NOTIFICATION_DEFAULT_CHANNEL_ID + " in manifest. Falling back to default");
+        }
+        // Default
+        return "fcm_fallback_notification_channel";
+    }
 }

android/src/main/java/com/dieam/reactnativepushnotification/modules/RNPushNotificationHelper.java

@@ -269,6 +269,10 @@ public void sendToNotificationCentreWithPicture(Bundle bundle, Bitmap largeIconB
             }
 
             String channel_id = bundle.getString("channelId");
+
+            if(channel_id == null) {
+                channel_id = this.config.getNotificationDefaultChannelId();
+            }
 
             NotificationCompat.Builder notification = new NotificationCompat.Builder(context, channel_id)
                     .setContentTitle(title)

android/src/main/java/com/dieam/reactnativepushnotification/modules/RNReceivedMessageHandler.java

@@ -31,9 +31,11 @@
 
 public class RNReceivedMessageHandler {
     private FirebaseMessagingService mFirebaseMessagingService;
+    private RNPushNotificationConfig config;
 
     public RNReceivedMessageHandler(@NonNull FirebaseMessagingService service) {
         this.mFirebaseMessagingService = service;
+        this.config = new RNPushNotificationConfig(service.getApplication());
     }
 
     public void handleReceivedMessage(RemoteMessage message) {
@@ -54,7 +56,7 @@ public void handleReceivedMessage(RemoteMessage message) {
               bundle.putString("channelId", remoteNotification.getChannelId());
             }
             else {
-              bundle.putString("channelId", "fcm_fallback_notification_channel");
+              bundle.putString("channelId", this.config.getNotificationDefaultChannelId());
             }
 
             Integer visibilty = remoteNotification.getVisibility();
@@ -155,7 +157,6 @@ private void handleRemotePushNotification(ReactApplicationContext context, Bundl
 
         Application applicationContext = (Application) context.getApplicationContext();
 
-        RNPushNotificationConfig config = new RNPushNotificationConfig(mFirebaseMessagingService.getApplication());
         RNPushNotificationHelper pushNotificationHelper = new RNPushNotificationHelper(applicationContext);
 
         boolean isForeground = pushNotificationHelper.isApplicationInForeground();
@@ -170,7 +171,7 @@ private void handleRemotePushNotification(ReactApplicationContext context, Bundl
             jsDelivery.notifyRemoteFetch(bundle);
         }
 
-        if (config.getNotificationForeground() || !isForeground) {
+        if (this.config.getNotificationForeground() || !isForeground) {
             Log.v(LOG_TAG, "sendNotification: " + bundle);
 
             pushNotificationHelper.sendToNotificationCentre(bundle);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-push-notification",
-  "version": "6.0.0",
+  "version": "6.1.0",
   "description": "React Native Local and Remote Notifications",
   "main": "index.js",
   "scripts": {