pointerdown on PIXI object doesn't count as user gesture

I want to make a fullscreen button inside the stage.
I added on pointerdown to a PIXI.Sprite like this:

fullscreenbutton.on('pointerdown', function(e){
    fullscreen();
}

On my Android device I get:

Quote

Failed to execute 'requestFullscreen' on 'Element': API can only be initiated by a user gesture.

The same function works just fine on

<button onclick="fullscreen">Full Screen!</button>

Is it possible to somehow register pointerdown on PIXI.Sprite as user gesture?
Or do I have to position-absolute the HTML button on top of canvas and there is no other way?