onNotificationAction static method

void onNotificationAction(dynamic callback(String))

(Android only) Registers a button-click listener on a Custom Notification Layout

ℹ️ See also:

• Android Custom Notification Layout
• Notification.actions
• Notification.layout

BackgroundGeolocation.ready(Config(
  notification: Notification(
    actions: [  // <-- register button listeners
      "notificationButtonFoo",
      "notificationButtonBar"
    ]
  )
));

// Listen to custom button clicks:
BackgroundGeolocation.onNotificationAction((String buttonId) {
  print("[onNotificationAction] - ${buttonId}");
  switch(buttonId) {
    case 'notificationButtonFoo':
      break;
    case 'notificationButtonBar':
      break;
  }
});

Implementation

static void onNotificationAction(Function(String) callback) {
  if (_eventsNotificationAction == null) {
    _eventsNotificationAction = _eventChannelNotificationAction
        .receiveBroadcastStream()
        .map((dynamic action) => action as String);
  }
  _registerSubscription(
      _eventsNotificationAction!.listen(callback), callback);
}