Is there a way to disable music/sound when putting the phone on standby?

Help & Support
1

Currently, the sound stays active while the phone is on standby. (As long as the browser is still active while turning it off.)

Currently happening only on android devices.

2

Hi @Helldubs,

You can use the Visibility API available in most browsers to detect when the display is turned off or the tab loses focus and disable the sounds.

3

Thanks Leonidas. Is there an easy way to get a reference to the games html document in script?

I know there is app.assets.get(), but what ID do I put there to reference the main html doc?

4

Sure, all Javascript no matter where it’s written initially ends up appended to the main document.

So anywhere in your code you can do the follow, and it will be valid:

var VisibilityApi = pc.createScript('visibilityApi');

// initialize code called once per entity
VisibilityApi.prototype.initialize = function() {
    
    document.addEventListener(
      "visibilitychange",
      this.handleVisibilityChange.bind(this),
      false
    );   
};

VisibilityApi.prototype.handleVisibilityChange = function(){

    if (document.hidden) {
        console.log('hidden');
    }else{
        console.log('visible');
    }
};
1 Like
5

Thanks!

I implemented it like this:

  if (document.visibilityState === 'visible') {
                 console.log("tabbed in");
             } else {
                 console.log("tabbed out");
             }

but it doesn’t show up in the console when I switch between tabs. Shouldn’t it do that though?

6

I’ve updated the code above with a full implementation.

7

Ah, the problem was in your original code you had
document.addEventListener(visibilityChange, function(){}),

whereas
document.addEventListener(“visibilitychange”, function(){}),

would be correct. This is why it didn’t work at first for me.

Thanks for your help, it’s working now!

1 Like