React Native won't re-render my style

So I have this video view component that I want to change, but I have no success in making it go fullscreen.

The code looks like this:

class VideoView extends React.Component {
constructor(props) {
super(props);
this.state={fullscreen:{
flex: 1,
width:"100%",
}};
this.enterFullScreen = this.enterFullScreen.bind(this);
this.exitFullScreen = this.exitFullScreen.bind(this);
}

enterFullScreen() {
this.setState({fullscreen:{
position: "absolute",
width:Dimensions.get('window').width,
height:Dimensions.get('window').height,
top:0,
left:0,
right:0,
bottom:0,
zIndex:200
}});
console.log("FIRED FULL");
}

exitFullScreen() {
this.setState({fullscreen:{
flex: 1,
width:"100%",
}});
}

render() {
console.log("STYLE: "+JSON.stringify(this.state.fullscreen));
return (
<VideoPlayer style={this.state.fullscreen}
showOnStart={false}
controlTimeout={3000}
onEnterFullscreen={() => this.enterFullScreen()}
onExitFullscreen={this.exitFullScreen}
toggleResizeModeOnFullscreen={false}
source={{uri:"https://img-9gag-fun.9cache.com/photo/ajERx4x_460sv.mp4"}}
/>

);
}
}


Where the initial style looks like the left and my expected style (if I put that style as the initial one) to the right:

I want to switch between the two desired styles by re-rendering the component and as you see in the code I do so by setting the state differently. This is what I am used to as I do this in React for the web but maybe there is some difference here that I am not understanding. The VideoView is of course rendered somewhere else too but I do not understand why I wouldn't change the state like this. I have also checked the logs and I am sure that the enterFullScreen method is being called.

Thanks in advance!

UPDATE
LOGS:

When pressing fullscreen:

018-07-24 12:15:10.775710+0200 hojapp[13107:373093] FIRED FULL
2018-07-24 12:15:10.777 [info][tid:com.facebook.react.JavaScript] STYLE: {"position":"absolute","width":375,"height":812,"top":0,"left":0,"right":0,"bottom":0,"zIndex":200}


When exiting fullscreen:

2018-07-24 12:16:41.347147+0200 hojapp[13107:373093] STYLE: {"flex":1,"width":"100%"}


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