How to create react-vr "enter vr button/cardboard"? -


i'm playing around react-vr framework , can't seem find in docs entering vr mode on chrome/cardboard ? or pointers appreciated.

here part of code while creating webvr tour

<view>         <pano source={asset(this.state.current_scene['scene_image'])} oninput={this.onpanoinput.bind(this)}           onload={this.sceneonload} onloadend={this.sceneonloadend}           style={{ transform: [{translate: [0, 0, 0]}] }}/>         {this.state.current_scene['navigations'].map(function(item,i){               return  <mesh  key={i}                             style={{                                 layoutorigin: [0.5, 0.5],                                 transform: [{translate: item['translate']},                                             {rotatex: item['rotation'][0]},                                             {rotatey: item['rotation'][1]},                                             {rotatez: item['rotation'][2]}]                             }}                       oninput={ e => that.onnavigationclick(item,e)}>                               <vrbutton                                       style={{ width: 0.15,                                             height:0.15,                                             borderradius: 50,                                             justifycontent: 'center',                                             alignitems: 'center',                                             borderstyle: 'solid',                                             bordercolor: '#ffffff80',                                             borderwidth: 0.01                                      }}>                                      <vrbutton                                             style={{ width: that.state.animationwidth,                                                    height:that.state.animationwidth,                                                    borderradius: that.state.animationradius,                                                    backgroundcolor: '#ffffffd9'                                             }}>                                      </vrbutton>       </vrbutton>     </mesh>           })}       </view> onnavigationclick(item,e){      if(e.nativeevent.inputevent.eventtype === "mousedown" && e.nativeevent.inputevent.button === 0){           var new_scene = this.state.scenes.find(i => i['step'] === item.step);           this.setstate({current_scene: new_scene});           postmessage({ type: "scenechanged"})      } } sceneonload(){     postmessage({ type: "sceneloadstart"})   }    sceneonloadend(){     postmessage({ type: "sceneloadend"})   } this.sceneonload = this.sceneonload.bind(this); this.sceneonloadend = this.sceneonloadend.bind(this); this.onnavigationclick = this.onnavigationclick.bind(this);

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