Live presentation: Ionic’s Security Trifecta: Mobile App Security Made Easy

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Install

@capacitor/push-notifications

The Push Notifications API provides access to native push notifications.

Install

npm install @capacitor/push-notifications
npx cap sync

iOS

On iOS you must enable the Push Notifications capability. See Setting Capabilities for instructions on how to enable the capability.

After enabling the Push Notifications capability, add the following to your app’s AppDelegate.swift:

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
  NotificationCenter.default.post(name: .capacitorDidRegisterForRemoteNotifications, object: deviceToken)
}

func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
  NotificationCenter.default.post(name: .capacitorDidFailToRegisterForRemoteNotifications, object: error)
}

Android

The Push Notification API uses Firebase Cloud Messaging SDK for handling notifications. See Set up a Firebase Cloud Messaging client app on Android and follow the instructions for creating a Firebase project and registering your application. There is no need to add the Firebase SDK to your app or edit your app manifest - the Push Notifications provides that for you. All that is required is your Firebase project’s google-services.json file added to the module (app-level) directory of your app.

Variables

This plugin will use the following project variables (defined in your app’s variables.gradle file):

  • $firebaseMessagingVersion version of com.google.firebase:firebase-messaging (default: 21.0.1)

Push Notifications icon

On Android, the Push Notifications icon with the appropriate name should be added to the AndroidManifest.xml file:

<meta-data android:name="com.google.firebase.messaging.default_notification_icon" android:resource="@mipmap/push_icon_name" />

If no icon is specified Android will use the application icon, but push icon should be white pixels on a transparent backdrop. As the application icon is not usually like that, it will show a white square or circle. So it’s recommended to provide the separate icon for Push Notifications.

Android Studio has an icon generator you can use to create your Push Notifications icon.

Push notifications appearance in foreground

On iOS you can configure the way the push notifications are displayed when the app is in foreground by providing the presentationOptions in your capacitor.config.json as an Array of Strings you can combine.

Possible values are:

  • badge: badge count on the app icon is updated (default value)
  • sound: the device will ring/vibrate when the push notification is received
  • alert: the push notification is displayed in a native dialog

An empty Array can be provided if none of the previous options are desired. pushNotificationReceived event will still be fired with the push notification information.

"plugins": {
  "PushNotifications": {
    "presentationOptions": ["badge", "sound", "alert"]
  }
}

API

register()

register() => Promise<void>

Register the app to receive push notifications.

This method will trigger the 'registration' event with the push token or 'registrationError' if there was a problem. It does prompt the user for notification permissions, use requestPermissions() first.

Since: 1.0.0

getDeliveredNotifications()

getDeliveredNotifications() => Promise<DeliveredNotifications>

Get a list of notifications that are visible on the notifications screen.

Returns: Promise<DeliveredNotifications>

Since: 1.0.0

removeDeliveredNotifications(…)

removeDeliveredNotifications(delivered: DeliveredNotifications) => Promise<void>

Remove the specified notifications from the notifications screen.

Param Type
delivered DeliveredNotifications

Since: 1.0.0

removeAllDeliveredNotifications()

removeAllDeliveredNotifications() => Promise<void>

Remove all the notifications from the notifications screen.

Since: 1.0.0

createChannel(…)

createChannel(channel: Channel) => Promise<void>

Create a notification channel.

Only available on Android O or newer (SDK 26+).

Param Type
channel Channel

Since: 1.0.0

deleteChannel(…)

deleteChannel(channel: Channel) => Promise<void>

Delete a notification channel.

Only available on Android O or newer (SDK 26+).

Param Type
channel Channel

Since: 1.0.0

listChannels()

listChannels() => Promise<ListChannelsResult>

List the available notification channels.

Only available on Android O or newer (SDK 26+).

Returns: Promise<ListChannelsResult>

Since: 1.0.0

checkPermissions()

checkPermissions() => Promise<PermissionStatus>

Check permission to receive push notifications.

Returns: Promise<PermissionStatus>

Since: 1.0.0

requestPermissions()

requestPermissions() => Promise<PermissionStatus>

Request permission to receive push notifications.

Returns: Promise<PermissionStatus>

Since: 1.0.0

addListener(‘registration’, …)

addListener(eventName: 'registration', listenerFunc: (token: Token) => void) => PluginListenerHandle

Called when the push notification registration finishes without problems.

Provides the push notification token.

Param Type
eventName 'registration'
listenerFunc (token: Token) => void

Returns: PluginListenerHandle

Since: 1.0.0

addListener(‘registrationError’, …)

addListener(eventName: 'registrationError', listenerFunc: (error: any) => void) => PluginListenerHandle

Called when the push notification registration finished with problems.

Provides an error with the registration problem.

Param Type
eventName 'registrationError'
listenerFunc (error: any) => void

Returns: PluginListenerHandle

Since: 1.0.0

addListener(‘pushNotificationReceived’, …)

addListener(eventName: 'pushNotificationReceived', listenerFunc: (notification: PushNotificationSchema) => void) => PluginListenerHandle

Called when the device receives a push notification.

Param Type
eventName 'pushNotificationReceived'
listenerFunc (notification: PushNotificationSchema) => void

Returns: PluginListenerHandle

Since: 1.0.0

addListener(‘pushNotificationActionPerformed’, …)

addListener(eventName: 'pushNotificationActionPerformed', listenerFunc: (notification: ActionPerformed) => void) => PluginListenerHandle

Called when an action is performed on a push notification.

Param Type
eventName 'pushNotificationActionPerformed'
listenerFunc (notification: ActionPerformed) => void

Returns: PluginListenerHandle

Since: 1.0.0

removeAllListeners()

removeAllListeners() => void

Remove all native listeners for this plugin.

Since: 1.0.0

Interfaces

DeliveredNotifications

Prop Type Since
notifications PushNotificationSchema[] 1.0.0

PushNotificationSchema

Prop Type Description Since
title string The notification title. 1.0.0
subtitle string The notification subtitle. 1.0.0
body string The main text payload for the notification. 1.0.0
id string The notification identifier. 1.0.0
badge number The number to display for the app icon badge. 1.0.0
notification any 1.0.0
data any 1.0.0
click_action string 1.0.0
link string 1.0.0
group string Set the group identifier for notification grouping Only available on Android. Works like threadIdentifier on iOS. 1.0.0
groupSummary boolean Designate this notification as the summary for an associated group. Only available on Android. 1.0.0

Channel

Prop Type Description Since
id string The channel identifier. 1.0.0
name string The human-friendly name of this channel (presented to the user). 1.0.0
description string The description of this channel (presented to the user). 1.0.0
sound string The sound that should be played for notifications posted to this channel. Notification channels with an importance of at least 3 should have a sound. The file name of a sound file should be specified relative to the android app res/raw directory. 1.0.0
importance Importance The level of interruption for notifications posted to this channel. 1.0.0
visibility Visibility The visibility of notifications posted to this channel. This setting is for whether notifications posted to this channel appear on the lockscreen or not, and if so, whether they appear in a redacted form. 1.0.0
lights boolean Whether notifications posted to this channel should display notification lights, on devices that support it. 1.0.0
lightColor string The light color for notifications posted to this channel. Only supported if lights are enabled on this channel and the device supports it. Supported color formats are #RRGGBB and #RRGGBBAA. 1.0.0
vibration boolean Whether notifications posted to this channel should vibrate. 1.0.0

ListChannelsResult

Prop Type Since
channels Channel[] 1.0.0

PermissionStatus

Prop Type Since
receive PermissionState 1.0.0

PluginListenerHandle

Prop Type
remove () => void

Token

Prop Type Since
value string 1.0.0

ActionPerformed

Prop Type Since
actionId string 1.0.0
inputValue string 1.0.0
notification PushNotificationSchema 1.0.0

Type Aliases

Importance

1 | 2 | 3 | 4 | 5

Visibility

-1 | 0 | 1

PermissionState

'prompt' | 'prompt-with-rationale' | 'granted' | 'denied'

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