Well, since you have only an API and don’t have control over it in order to change it to use sockets, the only way you have is to poll. As per your polling is concerned, you’re doing the decent approach. But there is one catch in your code above. componentDidMount() { this.timer = setInterval(()=> this.getItems(), … Read more
function doPoll(){ $.post(‘ajax/test.html’, function(data) { alert(data); // process results here setTimeout(doPoll,5000); }); }
Yes, window.onfocus and window.onblur should work for your scenario: http://www.thefutureoftheweb.com/blog/detect-browser-window-focus
From what I’ve heard during an Android developers conference in Israel: There is simply a TCP socket waiting in accept mode on a cloud Google server. The TCP connection had been initiated by the Google Play application. That’s why Google Play must be installed on the device for making Google Cloud Messaging (GCM) (formerly Android … Read more