Get dimensions in nativescript-vue

import { screen } from 'platform'

screen.mainScreen.widthDIPs 
screen.mainScreen.widthPixels
screen.mainScreen.heightDIPs
screen.mainScreen.heightPixels

<Button ref="myElement" width="300" height="auto" />

this.$refs.myElement.nativeView.width  // 300
this.$refs.myElement.nativeView.height  // 'auto'
this.$refs.myElement.nativeView.getMeasuredWidth() // 600 (on Nexus 4)
this.$refs.myElement.nativeView.getMeasuredHeight()
this.$refs.myElement.nativeView.getActualSize() // { width: 300, height: 200 }

export default {
  mounted () {
    setTimeout(() => {
      console.log(this.$refs.myElement.nativeView.width)
    }, 10)
  }
}