Version: 7.3.2

Push Notification

Firebase Plugin is used to receive push notifications. Please refer to the Firebase Plugin Guide: Firebase Plugin

A notification is a message that device displays outside your app's UI to provide the user with reminders, communication from other people, or other timely information from your app. Users can tap the notification to open your app or take an action directly from the notification.

Info

Push Notification services only work with published projects. It will not work with Smartface Emulator.

Notification Handlers

There are bunch of notification providers. There is no guarantee that the received notification data schema is same for all and also, handling of notifications are differs between OS. Especially, Android, Firebase Message Services can receive any type of json schemas. But somehow, notification handler needs to know what title, body, icon etc of notification. To keep the things easier, our developers don't have to write own notification handler. Instead, we came up with solution that makes clear the properties of notification.

Implement Push Notification into your Project

Before implementing Push Notification, make sure to make following changes:

Change your packagename on Android and bundleId on iOS to declare a unique ID for your project. All Push Notification services will need this variable.
Register your application with given ID above on Firebase or any other Push Notification providers.
Install the Firebase plugin into your project. Refer to sf-plugins-firebase for installation steps.

Android Requirements

If you are using FCM or GCM, follow the steps on the Firebase Plugin.

Also, make sure that following lines are active in AndroidManifest.xml

<!-- Defines the FCM  listener service to receive the push messages. -->
        <service android:exported="false" android:name="io.smartface.android.notifications.FCMListenerService">
            <intent-filter>
                <action android:name="com.google.firebase.MESSAGING_EVENT" />
            </intent-filter>
        </service>

Runtime permission for notifications

Android 13 (API level 33) introduces a runtime notification permission: POST_NOTIFICATIONS. This change helps users focus on the notifications that are most important to them.

By default applications cannot send notifications unless user grant notification permission in API Level 33 (Android 13) and above. This behaviour effects Firebase Push Notification and Local Notifications on Android.

To support this behaviour, you should add POST_NOTIFICATIONS permission to config/Android/AndroidManifest.xml file.

<manifest ...>
<uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
<application ...>
...
</application>
</manifest>

At runtime, you should check if the app has notification permission and if not, request the user for permission.

Below, you can see a sample code to request notification permission to post local notification.

async requestPermission() {
        const permissionResult = await Permission.android.requestPermissions(Permissions.android.notification);
        return permissionResult[0] === PermissionResult.GRANTED;
    }
    checkPermission() {
        return Permission.android.checkPermission(Permissions.android.notification);
    }
    async checkPermissonAndPostNotification() {
     if (this.checkPermission()) {
        //post notification
      } else {
        if (await this.requestPermission()) {
            //post notification
        }
      }
    }

iOS Requirements

Push Notification services should be enabled on signing certificates. This APNs certificate must be used during publishing.

Create app.entitlements File

Create a new file named app.entitlements under config/iOS in your workspace
Here is a sample app.entitlements file:

info

There is no file extension. The name should exactly be app.entitlements. Otherwise device will not receive a token.

XML/HTML/SVG
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>aps-environment</key>
    <string>production</string>
</dict>
</plist>

How to Receive Remote Push Notification in your Application

After the plugin is installed and configurations are made, you are ready to receive token from firebase to receive notification.

tip

As an alternative, you can refer to Smartface Push Notification Sample Project to gain more insight.

In your app.ts or any file which is executed at the start of the project, you can receive token with Firebase.messaging.getToken event:

import Firebase from "@smartface/plugin-firebase";

// Your other code in the file.

/**
 * e parameter is the token, as string.
 */
Firebase.messaging.subscribeToTopic("all"); //this triggers register for notifications
Firebase.messaging.getToken((e) => {
  alert("FCM Token : " + JSON.stringify(e, null, "\t")); // For debug purposes, should be removed afterwards
  // Do stuff, send to API etc.
});

tip

Smartface recommends to keep Firebase configurations and callbacks in a separate file.

It is even better to keep them in separate folder, since Firebase Plugin also supports Crashlytics and Analytics.

Push Notification Badge

On Android, badges are handled by the Operating System itself. There is nothing to be done by the application side.
On iOS, badges are handled by the Notification Provider.
- For Firebase, you should send the badge information from backend. Refer to the relevant firebase docs for this info.
- You can also set the badge of the Application from the Smartface Code. Refer to the Notifications.applicationIconBadgeNumber property for more details.

Push Notification Sound & Vibrate

On Android, sound is handled by the Operating System itself. There is nothing to be done by the application side.
On iOS, sounds are handled by the Notification Provider.
- For Firebase, you should send the badge information from backend. Refer to the relevant firebase docs for this info.
- You can also set which sound or is going to be prompted from the Smartface Code. Refer to the Notifications.onNotificationReceive event for more details.

Notifications.onNotificationReceive = (e) => {
  const alertMessage = {
    onNotificationReceive: e,
  };
  alert(JSON.stringify(e, null, 4));
  return [
    Notifications.iOS.NotificationPresentationOptions.SOUND,
    Notifications.iOS.NotificationPresentationOptions.ALERT,
  ]; // or []
};

Configure Push Notification Handler

As we described, handler needs to know properties of notification. Thus, there is a json file which named as pushnotification and placed under the ~/workspace/config/Androidfolder. It contains all properties of notification. The notification handler searches for keys as title, body and so on from this file and then found keys are exposed with hierarchical path. For example, $notification.title, here is notification is root object and title is key and was what we are searching.

Exposed path matches with the received notification data. That means, the title key also will be searched in the received notification data with the exposed path ($notification.title). So, the pushnotification.json prepared according to the received notification json schema.

The below example pushnotification.json includes above examples and, the mapping between actual and desired key . Here, desired key is title-key which is name of your key (checkout example 2) and actual key is title that is title property of notifications.

Push Notification Examples

pushnotification.json
Example 1:

pushnotification.json
{
   "notification":{
      "title":"title-key",
      "body":"body-key",
      "icon":"icon-key",
      "channelId":"channelId-key",
      "channelIdTitle":"channelIdTitle-key",
      "channelIdImportance":"channelIdImportance-key",
      "deleteChannelId":"deleteChannelId-key",
      "showBadge":"showBadge-key"
   }
   "configuration_version":"2"
}

configuration_version: to support backward parsing.

Example 2:
Push notification data: used while requesting fcm end-point

JavaScript
{
   "to":"{device-token}",
   "data":{
      "notification":{
         "title-key":"Test-Title",
         "body-key":"Test-Body",
         "icon-key":"Test-Icon",
         "channelId-key":"50",
         "channelIdTitle-key":"Smartface",
         "channelIdImportance-key":"4",
         "deleteChannelId-key":"49",
         "showBadge-key":"false"
      }
   }
}

Above examples are easy, what if you need to handle schema which you don't know ? onNotificationReceive method receive all data send by your notification provider. Thus, you can examine all its schema.

Adding Custom Sound to Push Notification

For iOS

When you want to add a custom sound to a push notification, follow the steps below in order:

Find the ~/workspace/config folder in the folder tree within Smartface IDE, and create a folder called ~/resources inside of it.
This 'resources' folder should only contain the sound files that will be used exclusively for push notifications.
Drag and drop the sound file/files you want to use for push notifications into ~/resources folder.

After these steps, push notification can ben configured.

The only thing that needs to be done while configuring is to add the "sound":"(your sound name).wav" parameter with its extension inside the pushnotification.json file.

caution

iOS only supports sound files with the ".wav" extension. If you use a sound file with a different extension, the push notification sound will not work.

danger

The ~/resourcesfolder should be used exclusively for the sounds that you want to use for push notifications. If you have a sound file that is used within your application, please do not drop it into this folder.

JavaScript
{
   "to":"{device-token}",
   "data":{
      "notification":{
         "title-key":"Test-Title",
         "body-key":"Test-Body",
         "sound":"Your-Sound-Name.wav"
         "icon-key":"Test-Icon",
         "channelId-key":"50",
         "channelIdTitle-key":"Smartface",
         "channelIdImportance-key":"4",
         "deleteChannelId-key":"49",
         "showBadge-key":"false"
      }
   }
}

Notification Basic Properties

Notification appears on device with title, body and icon.

"title" : "title of notification"
"body" : "body of notification"
"sound" : "name of sound with extension (ex: "sound.wav")"
"icon":" icon name of notification. It searches the name from images folder. No need to specify file extension."

Notification Channel on Android

Starting in Android 8.0, all notifications must be assigned to a channel. If channelId and title aren't exist, default values assigned.

"channelId": "any number as unique notification id for an app "
"channelIdTitle": "title of notification(app name etc.)"
"channelIdImportance": "a number between 1-5"
"deleteChannelId": "deletes exist channel"

Please refer to here for more information.

Badge

Apps are appear with dot or number badge when receives notification.

"showBadge" : "if sets false, badge won't appear on app icon."

FCM Push Send Example

FCM cURL

Developers can use curl to send push notifications as well. The HTTP header must contain the following headers:

Authorization: key: This is the server key, where values are available in your Firebase project console under Project Settings > Cloud Messaging.
Content-Type: application/json for JSON; application/x-www-form-urlencoded;charset=UTF-8 for plain text.

Sending Push Notification On Android With cURL

to : Registered token
data: should contain the body, title and icon as specified above (notification content)

cURL
curl -X POST --header "Authorization: key= SERVER_API_KEY" --Header "Content-Type: application/json" https://fcm.googleapis.com/fcm/send -d '{
  “to”: “YOUR_TOKEN”,
  “body”:{
    "title-key": "Test-Title",
    "body-key": "Test-Body",
    "icon-key": "Test-Icon"
    }
}'

Sending Push Notification On iOS With cURL

First of all, you should obtain the FCM token acquired from the registerForPushNotifications method. For this purpose, you need to use the curl information below:

cURL
curl -X POST -H "Authorization: key=YOUR_FCM_SERVER_KEY" -H "Content-Type: application/json" -d '{
    "application": "com.sample.application",
    "sandbox":false,
    "apns_tokens":[
        "472aaacdedb539abc4a6bcd1b1795b6131194234b816e4f624ffa12",
        "642d2acceaadee8400b9952c2f45325ab9831c1998ed70859d86"
    ]
}' "https://iid.googleapis.com/iid/v1:batchImport"

With the returned FCM token, you can send push notifications with the curl information below:

notification: notification content
registration_ids: registered token

cURL
curl -i -H 'Content-type: application/json' -H 'Authorization: key=<YOUR_SERVER_KEY>' -XPOST https://fcm.googleapis.com/fcm/send -d '{
  "registration_ids":["<YOUR_TOKEN>"],
  "notification": {
      "title":"Notification Title",
      "body":"Notification Content"
  },
  "data": {
    "CUSTOMKEY" : "CUSTOMVALUE"
  }
}'

Using Push Notifications

First, you need to register for the APNS services. If registration is successful, it returns a unique token for device identification.

import Firebase from "@smartface/plugin-firebase";

// Your other code in the file.

/**
 * e parameter is the token, as string.
 */
Firebase.messaging.subscribeToTopic("all"); //this triggers register for notifications
Firebase.messaging.getToken((e) => {
  alert("FCM Token : " + JSON.stringify(e, null, "\t")); // For debug purposes, should be removed afterwards
  // Do stuff, send to API etc.
});

Multiple Scenarios With Push Notification

Foreground:

Notifications.onNotificationReceive = (e) => {
  alert("Notification received : " + JSON.stringify(e, null, "\t"));
  return [
    Notifications.iOS.NotificationPresentationOptions.SOUND,
    Notifications.iOS.NotificationPresentationOptions.ALERT,
  ]; // or []
};

When Clicked On Push Notification

Notifications.onNotificationClick = (e): void => {
  alert("onNotificationClick onNotificationClick");
};

Local Notifications

LocalNotification is an interface between user and application that enables an application to inform its users that it has something for them. You can schedule local notification to be fired at a specific time. After scheduling a notification, regardless of the application being running or being in the background, scheduled notification will be fired on the specified time.

Note

For Android, application icon must be placed in the apk. For this reason, you can see your own icon as a notification icon only in the published builds.

Note

For iOS, if you present a local notification while your application is running in foreground you cannot get a visual alert. However, Application.onReceivedNotification callback will fire if you implement it.

JavaScript
import Notifications from "@smartface/native/global/notifications";
let notification = new Notifications.LocalNotification();
notification.alertAction = "Notification alertAction";
notification.alertBody = "Notification alertBody";
notification.android.vibrate = true;
notification.ios.hasAction = true;
notification.present();

Push Notification

Notification Handlers​

Implement Push Notification into your Project​

Android Requirements​

Runtime permission for notifications​

iOS Requirements​

Create app.entitlements File​

How to Receive Remote Push Notification in your Application​

Push Notification Badge​

Push Notification Sound & Vibrate​

Configure Push Notification Handler​

Push Notification Examples​

Adding Custom Sound to Push Notification​

For iOS​

Notification Basic Properties​

Notification Channel on Android​

Badge​

FCM Push Send Example​

FCM cURL​

Sending Push Notification On Android With cURL​

Sending Push Notification On iOS With cURL​

Using Push Notifications​

Multiple Scenarios With Push Notification​

Local Notifications​