@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

import Base from '@ohos.base';

// subscribe callback
let subscribeCallback = (err: Base.BusinessError) => {
  if (err) {
    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
  } else {
    console.info("subscribe success");
  }
}
let onConsumeCallback = (data: notificationSubscribe.SubscribeCallbackData) => {
  console.info("Consume callback: " + JSON.stringify(data));
}
let subscriber: notificationSubscribe.NotificationSubscriber = {
  onConsume: onConsumeCallback
};
// Bundle names are not verified. You need to determine the target bundle names.
let info: notificationSubscribe.NotificationSubscribeInfo = {
  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

import Base from '@ohos.base';

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

Return value

Error codes

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

Example

import Base from '@ohos.base';

let onConsumeCallback = (data: notificationSubscribe.SubscribeCallbackData) => {
  console.info("Consume callback: " + JSON.stringify(data));
}
let subscriber: notificationSubscribe.NotificationSubscriber = {
  onConsume: onConsumeCallback
};
notificationSubscribe.subscribe(subscriber).then(() => {
  console.info("subscribe success");
}).catch((err: Base.BusinessError) => {
  console.error("subscribe fail: " + JSON.stringify(err));
});

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

import Base from '@ohos.base';

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

Return value

Error codes

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

Example

import Base from '@ohos.base';

let onDisconnectCallback = () => {
  console.info("subscribe disconnect");
}
let subscriber: notificationSubscribe.NotificationSubscriber = {
  onDisconnect: onDisconnectCallback
};
notificationSubscribe.unsubscribe(subscriber).then(() => {
  console.info("unsubscribe success");
}).catch((err: Base.BusinessError) => {
  console.error("unsubscribe fail: " + JSON.stringify(err));
});

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

import Base from '@ohos.base';
import NotificationManager from '@ohos.notificationManager';

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

Return value

Error codes

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

Example

import Base from '@ohos.base';
import NotificationManager from '@ohos.notificationManager';

let bundle: NotificationManager.BundleOption = {
  bundle: "bundleName1",
};
let notificationKey: notificationSubscribe.NotificationKey = {
  id: 0,
  label: "label",
};
let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
notificationSubscribe.remove(bundle, notificationKey, reason).then(() => {
  console.info("remove success");
}).catch((err: Base.BusinessError) => {
  console.error("remove fail: " + JSON.stringify(err));
});

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

import Base from '@ohos.base';

let hashCode: string = 'hashCode';

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

Return value

|Type |Description| |——-|–| |Promise<void>|Promise that returns no value.|

Error codes

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

Example

import Base from '@ohos.base';

let hashCode: string = 'hashCode';
let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
notificationSubscribe.remove(hashCode, reason).then(() => {
	console.info("remove success");
}).catch((err: Base.BusinessError) => {
  console.error("remove fail: " + JSON.stringify(err));
});

NotificationSubscribe.remove¹⁰⁺

remove(hashCodes: Array<String>, reason: RemoveReason, callback: AsyncCallback<void>): void

Removes specified 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

import Base from '@ohos.base';

let hashCodes: string[] = ['hashCode1', 'hashCode2'];

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

NotificationSubscribe.remove¹⁰⁺

remove(hashCodes: Array<String>, reason: RemoveReason): Promise<void>

Removes specified notifications. 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

Return value

Error codes

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

Example

import Base from '@ohos.base';

let hashCodes: string[] = ['hashCode1','hashCode2'];
let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
notificationSubscribe.remove(hashCodes, reason).then(() => {
  console.info("remove success");
}).catch((err: Base.BusinessError) => {
  console.error("remove fail: " + JSON.stringify(err));
});

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

import Base from '@ohos.base';

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

import Base from '@ohos.base';

let removeAllCallback = (err: Base.BusinessError) => {
    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

Return value

Error codes

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

Example

import Base from '@ohos.base';

// If no application is specified, notifications of all applications are deleted.
notificationSubscribe.removeAll().then(() => {
	console.info("removeAll success");
}).catch((err: Base.BusinessError) => {
  console.error("removeAll fail: " + JSON.stringify(err));
});

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

import Base from '@ohos.base';

let removeAllCallback = (err: Base.BusinessError) => {
  if (err) {
    console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
  } else {
    console.info("removeAll success");
  }
}

let userId: number = 1;

notificationSubscribe.removeAll(userId, removeAllCallback);

NotificationSubscribe.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

import Base from '@ohos.base';

let removeAllCallback = (err: Base.BusinessError) => {
  if (err) {
    console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
  } else {
    console.info("removeAll success");
  }
}

let userId: number = 1;

notificationSubscribe.removeAll(userId, removeAllCallback);

NotificationKey

System capability: SystemCapability.Notification.Notification

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

RemoveReason

System capability: SystemCapability.Notification.Notification

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

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