Firebase Cloud Messaging not getting the Android Icon in notification

[AugustoAleGon]

Describe your environment

• Operating System version: Mac
• Firebase SDK version: ^9.4.2
• Firebase Product: messaging
• Node.js version: 12.16.3
• NPM version: 6.14.8

Currently I am testing push notification on Android using the method .send in messages.
I already tested my client side with FCM console and the notification icon works perfect, also I used the method .sendToDeviceand is working fine.

In order to reproduce send I used this:

const note = {
    android: {
        priority: 'HIGH',
        data: {
            title: '#test',
            body: 'New message',
            icon: 'ic_notification',
            color: '#FFF',
            sound: 'default',
            tag: 'undefined',
            channelId: 'bundle.id,
            visibility: 'private',
            // image: '',
            host: 'http://localhost:3000/',
            type: 'p',
            name: 'test'
        },
        fcm_options: {
            analytics_label: 'click_notification'
        }
    },
    token: 'FCM_TOKEN'
};

admin.messaging().send(note)

The result is the following:

This actually what I got from FCM console:

I also tried to remove the icon section as well. I got the same result.

[hiranya911]

You are passing icon and other settings as part data. It should be set as part of notification:

https://firebase.google.com/docs/reference/admin/node/admin.messaging.AndroidConfig#notification
https://firebase.google.com/docs/reference/admin/node/admin.messaging.AndroidNotification

[AugustoAleGon]

@hiranya911 I am checking the structure of the code and I don't see any icon label on the notification object.

This the notification object in your own library.

firebase-admin-node/src/messaging/index.ts

Line 90 in 93362d5

export interface Notification {

[AugustoAleGon]

@hiranya911 I was testing your suggestion on the method send. The response is the following:

(node:21096) UnhandledPromiseRejectionWarning: Error: Invalid JSON payload received. Unknown name "icon" at 'message.notification': Cannot find field.

I am sending this payload:

const note = {
    notification: {
        icon: 'ic_notification'
    },
    android: {
        priority: 'HIGH',
        data: {
            title: '#test',
            body: 'New message',
            color: '#FFF',
            sound: 'default',
            tag: 'undefined',
            channelId: 'bundle.id,
            visibility: 'private',
            // image: '',
            host: 'http://localhost:3000/',
            type: 'p',
            name: 'test'
        },
        fcm_options: {
            analytics_label: 'click_notification'
        }
    },
    token: 'FCM_TOKEN'
};

admin.messaging().send(note)

[hiranya911]

You're looking at the wrong type. Correct type is called AndroidNotification:

firebase-admin-node/src/messaging/index.ts

Lines 455 to 633 in 93362d5

	/**
	* Represents the Android-specific notification options that can be included in
	* {@link messaging.AndroidConfig}.
	*/
	export interface AndroidNotification {
	/**
	* Title of the Android notification. When provided, overrides the title set via
	* `admin.messaging.Notification`.
	*/
	title?: string;
	/**
	* Body of the Android notification. When provided, overrides the body set via
	* `admin.messaging.Notification`.
	*/
	body?: string;
	/**
	* Icon resource for the Android notification.
	*/
	icon?: string;
	/**
	* Notification icon color in `#rrggbb` format.
	*/
	color?: string;
	/**
	* File name of the sound to be played when the device receives the
	* notification.
	*/
	sound?: string;
	/**
	* Notification tag. This is an identifier used to replace existing
	* notifications in the notification drawer. If not specified, each request
	* creates a new notification.
	*/
	tag?: string;
	/**
	* URL of an image to be displayed in the notification.
	*/
	imageUrl?: string;
	/**
	* Action associated with a user click on the notification. If specified, an
	* activity with a matching Intent Filter is launched when a user clicks on the
	* notification.
	*/
	clickAction?: string;
	/**
	* Key of the body string in the app's string resource to use to localize the
	* body text.
	*
	*/
	bodyLocKey?: string;
	/**
	* An array of resource keys that will be used in place of the format
	* specifiers in `bodyLocKey`.
	*/
	bodyLocArgs?: string[];
	/**
	* Key of the title string in the app's string resource to use to localize the
	* title text.
	*/
	titleLocKey?: string;
	/**
	* An array of resource keys that will be used in place of the format
	* specifiers in `titleLocKey`.
	*/
	titleLocArgs?: string[];
	/**
	* The Android notification channel ID (new in Android O). The app must create
	* a channel with this channel ID before any notification with this channel ID
	* can be received. If you don't send this channel ID in the request, or if the
	* channel ID provided has not yet been created by the app, FCM uses the channel
	* ID specified in the app manifest.
	*/
	channelId?: string;
	/**
	* Sets the "ticker" text, which is sent to accessibility services. Prior to
	* API level 21 (Lollipop), sets the text that is displayed in the status bar
	* when the notification first arrives.
	*/
	ticker?: string;
	/**
	* When set to `false` or unset, the notification is automatically dismissed when
	* the user clicks it in the panel. When set to `true`, the notification persists
	* even when the user clicks it.
	*/
	sticky?: boolean;
	/**
	* For notifications that inform users about events with an absolute time reference, sets
	* the time that the event in the notification occurred. Notifications
	* in the panel are sorted by this time.
	*/
	eventTimestamp?: Date;
	/**
	* Sets whether or not this notification is relevant only to the current device.
	* Some notifications can be bridged to other devices for remote display, such as
	* a Wear OS watch. This hint can be set to recommend this notification not be bridged.
	* See [Wear OS guides](https://developer.android.com/training/wearables/notifications/bridger#existing-method-of-preventing-bridging)
	*/
	localOnly?: boolean;
	/**
	* Sets the relative priority for this notification. Low-priority notifications
	* may be hidden from the user in certain situations. Note this priority differs
	* from `AndroidMessagePriority`. This priority is processed by the client after
	* the message has been delivered. Whereas `AndroidMessagePriority` is an FCM concept
	* that controls when the message is delivered.
	*/
	priority?: ('min' | 'low' | 'default' | 'high' | 'max');
	/**
	* Sets the vibration pattern to use. Pass in an array of milliseconds to
	* turn the vibrator on or off. The first value indicates the duration to wait before
	* turning the vibrator on. The next value indicates the duration to keep the
	* vibrator on. Subsequent values alternate between duration to turn the vibrator
	* off and to turn the vibrator on. If `vibrate_timings` is set and `default_vibrate_timings`
	* is set to `true`, the default value is used instead of the user-specified `vibrate_timings`.
	*/
	vibrateTimingsMillis?: number[];
	/**
	* If set to `true`, use the Android framework's default vibrate pattern for the
	* notification. Default values are specified in [`config.xml`](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
	* If `default_vibrate_timings` is set to `true` and `vibrate_timings` is also set,
	* the default value is used instead of the user-specified `vibrate_timings`.
	*/
	defaultVibrateTimings?: boolean;
	/**
	* If set to `true`, use the Android framework's default sound for the notification.
	* Default values are specified in [`config.xml`](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
	*/
	defaultSound?: boolean;
	/**
	* Settings to control the notification's LED blinking rate and color if LED is
	* available on the device. The total blinking time is controlled by the OS.
	*/
	lightSettings?: LightSettings;
	/**
	* If set to `true`, use the Android framework's default LED light settings
	* for the notification. Default values are specified in [`config.xml`](https://android.googlesource.com/platform/frameworks/base/+/master/core/res/res/values/config.xml).
	* If `default_light_settings` is set to `true` and `light_settings` is also set,
	* the user-specified `light_settings` is used instead of the default value.
	*/
	defaultLightSettings?: boolean;
	/**
	* Sets the visibility of the notification. Must be either `private`, `public`,
	* or `secret`. If unspecified, defaults to `private`.
	*/
	visibility?: ('private' | 'public' | 'secret');
	/**
	* Sets the number of items this notification represents. May be displayed as a
	* badge count for Launchers that support badging. See [`NotificationBadge`(https://developer.android.com/training/notify-user/badges).
	* For example, this might be useful if you're using just one notification to
	* represent multiple new messages but you want the count here to represent
	* the number of total new messages. If zero or unspecified, systems
	* that support badging use the default, which is to increment a number
	* displayed on the long-press menu each time a new notification arrives.
	*/
	notificationCount?: number;
	}

[hiranya911]

I was testing your suggestion on the method send. The response is the following:

Your payload is still incorrect. Please take another look at the API reference docs I've linked above. You can also find an example involving the icon setting here:

https://firebase.google.com/docs/cloud-messaging/send-message#example-notification-message-with-platform-specific-delivery-options

[AugustoAleGon]

Ohh I see. You are totally right. I was sending the information wrong. Thank you so much.