Requests remote notification permissions, prompting the user's dialog box on iOS and request a token on Android.
If the user accept the remote notifications permissions,
registerRemoteNotificationsRegistered event will get called with the device token.
This method returns a promise. If the app was launched by a push notification, this promise resolves to an object of type Notification. Otherwise, it resolves to undefined.
Posts local notification to the device notification center.
Relevant for notifications sent with
Check if the app has permissions to send remote notifications.
Remove all delivered notifications from Notification Center