@ohos.notificationSubscribe (NotificationSubscribe)

The notificationSubscribe module provides APIs for notification subscription, notification unsubscription, subscription removal, and more. In general cases, only system applications can call these APIs.

NOTE

The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

import notificationSubscribe from '@ohos.notificationSubscribe';

NotificationSubscribe.subscribe

subscribe(subscriber: NotificationSubscriber, info: NotificationSubscribeInfo, callback: AsyncCallback<void>): void

Subscribes to a notification with the subscription information specified. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

// subscribe callback
function subscribeCallback(err) {
    if (err) {
        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("subscribe success");
    }
}
function onConsumeCallback(data) {
	console.info("Consume callback: " + JSON.stringify(data));
}
let subscriber = {
    onConsume: onConsumeCallback
};
let info = {
    bundleNames: ["bundleName1","bundleName2"]
};
notificationSubscribe.subscribe(subscriber, info, subscribeCallback);

NotificationSubscribe.subscribe

subscribe(subscriber: NotificationSubscriber, callback: AsyncCallback<void>): void

Subscribes to notifications of all applications under this user. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function subscribeCallback(err) {
    if (err) {
        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("subscribe success");
    }
}
function onConsumeCallback(data) {
	console.info("Consume callback: " + JSON.stringify(data));
}
let subscriber = {
    onConsume: onConsumeCallback
};
notificationSubscribe.subscribe(subscriber, subscribeCallback);

NotificationSubscribe.subscribe

subscribe(subscriber: NotificationSubscriber, info?: NotificationSubscribeInfo): Promise<void>

Subscribes to a notification with the subscription information specified. This API uses a promise to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function onConsumeCallback(data) {
    console.info("Consume callback: " + JSON.stringify(data));
}
let subscriber = {
    onConsume: onConsumeCallback
};
notificationSubscribe.subscribe(subscriber).then(() => {
	console.info("subscribe success");
});

NotificationSubscribe.unsubscribe

unsubscribe(subscriber: NotificationSubscriber, callback: AsyncCallback<void>): void

Unsubscribes from a notification. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function unsubscribeCallback(err) {
    if (err) {
        console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("unsubscribe success");
    }
}
function onDisconnectCallback() {
	console.info("subscribe disconnect");
}
let subscriber = {
    onDisconnect: onDisconnectCallback
};
notificationSubscribe.unsubscribe(subscriber, unsubscribeCallback);

NotificationSubscribe.unsubscribe

unsubscribe(subscriber: NotificationSubscriber): Promise<void>

Unsubscribes from a notification. This API uses a promise to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function onDisconnectCallback() {
	console.info("subscribe disconnect");
}
let subscriber = {
    onDisconnect: onDisconnectCallback
};
notificationSubscribe.unsubscribe(subscriber).then(() => {
	console.info("unsubscribe success");
});

NotificationSubscribe.remove

remove(bundle: BundleOption, notificationKey: NotificationKey, reason: RemoveReason, callback: AsyncCallback<void>): void

Removes a notification for a specified application. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function removeCallback(err) {
    if (err) {
        console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("remove success");
    }
}
let bundle = {
    bundle: "bundleName1",
};
let notificationKey = {
    id: 0,
    label: "label",
};
let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
notificationSubscribe.remove(bundle, notificationKey, reason, removeCallback);

NotificationSubscribe.remove

remove(bundle: BundleOption, notificationKey: NotificationKey, reason: RemoveReason): Promise<void>

Removes a notification for a specified application. This API uses a promise to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

let bundle = {
    bundle: "bundleName1",
};
let notificationKey = {
    id: 0,
    label: "label",
};
let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
notificationSubscribe.remove(bundle, notificationKey, reason).then(() => {
	console.info("remove success");
});

NotificationSubscribe.remove

remove(hashCode: string, reason: RemoveReason, callback: AsyncCallback<void>): void

Removes a specified notification. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

let hashCode = 'hashCode';

function removeCallback(err) {
    if (err) {
        console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("remove success");
    }
}
let reason = notificationSubscribe.RemoveReason.CANCEL_REASON_REMOVE;
notificationSubscribe.remove(hashCode, reason, removeCallback);

NotificationSubscribe.remove

remove(hashCode: string, reason: RemoveReason): Promise<void>

Removes a specified notification. This API uses a promise to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

let hashCode = 'hashCode';
let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
notificationSubscribe.remove(hashCode, reason).then(() => {
	console.info("remove success");
});

NotificationSubscribe.removeAll

removeAll(bundle: BundleOption, callback: AsyncCallback<void>): void

Removes all notifications for a specified application. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

System API: This is a system API and cannot be called by third-party applications.

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function removeAllCallback(err) {
    if (err) {
        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("removeAll success");
    }
}
let bundle = {
    bundle: "bundleName1",
};
notificationSubscribe.removeAll(bundle, removeAllCallback);

NotificationSubscribe.removeAll

removeAll(callback: AsyncCallback<void>): void

Removes all notifications. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function removeAllCallback(err) {
    if (err) {
        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("removeAll success");
    }
}

notificationSubscribe.removeAll(removeAllCallback);

NotificationSubscribe.removeAll

removeAll(bundle?: BundleOption): Promise<void>

Removes all notifications for a specified application. This API uses a promise to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

// If no application is specified, notifications of all applications are deleted.
notificationSubscribe.removeAll().then(() => {
	console.info("removeAll success");
});

NotificationSubscribe.removeAll

removeAll(userId: number, callback: AsyncCallback<void>): void

Removes all notifications for a specified user. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function removeAllCallback(err) {
    if (err) {
        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("removeAll success");
    }
}

let userId = 1;

notificationSubscribe.removeAll(userId, removeAllCallback);

Notification.removeAll

removeAll(userId: number): Promise<void>

Removes all notifications for a specified user. This API uses a promise to return the result.

System capability: SystemCapability.Notification.Notification

Required permissions: ohos.permission.NOTIFICATION_CONTROLLER

System API: This is a system API and cannot be called by third-party applications.

Parameters

Error codes

For details about the error codes, see Notification Error Codes.

Example

function removeAllCallback(err) {
    if (err) {
        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
    } else {
        console.info("removeAll success");
    }
}

let userId = 1;

notificationSubscribe.removeAll(userId, removeAllCallback);

RemoveReason

System capability: SystemCapability.Notification.Notification

System API: This is a system API and cannot be called by third-party applications.