反应本机firebase删除通知仍然收到消息

Question

I get notification from sender, if I click the notification I will receive the message data when componentDidMount() , if I swipe out the notification (remove). I reopen the app, message not receive.

componentDidMount(){
  firebase.messaging().getInitialNotification().then((payload) => {
    console.log("Initial Message: ", payload); 
  });
  firebase.messaging().onMessage((payload) =>{
    console.log("Message received. ", payload);
    // ...
  });
}

Answer 1

This can't be done in Javascript. Background Tasks can't be done using Javascript.