HmsMessaging

Promise<string | null>

getToken()

Obtains a push token.

Promise<boolean>

deleteToken(token: string)

Deletes a push token.

() =>void

onMessage(callback: AsyncCallback<payload>)

Obtains the push message content.

void

usePublicVapidKey(b64PublicKey: string)

Initializes the Voluntary Application Server Identity. The key is used to send and receive notification messages of the web app.

getToken(): Promise<string | null>

Obtains a token.

Promise<string | null>

Push token. If an empty string is returned, the push token fails to be obtained.

deleteToken(token: string): Promise<boolean>

Deletes a push token.

token

Push token to be deleted.

Promise<boolean>

Whether the push token is deleted successfully.

• true: yes
• false: no

onMessage(callback: AsyncCallback<payload>): ()=> void

Obtains the push message content.

Example

// Obtain an HmsMessaging object.
messaging = hms.messaging();
// Call the onMessage method to obtain the message content.
messaging.onMessage((payload) => {
    console.log('Message received. ', payload);
});

usePublicVapidKey(b64PublicKey: string): void

Initializes the Voluntary Application Server Identity. The key is used to send and receive notification messages of the web app.

b64PublicKey

Key string encrypted using Base64.