npmchenwei111/app/utils/Px2dp.js

test1111

/**
 * Created by ziyu on 2017/6/19.
 */
import { Dimensions } from 'react-native'

const deviceH = Dimensions.get('window').height
const deviceW = Dimensions.get('window').width

const basePx = 375

export function px (px) {
  if (px == null) return 0
  return px * deviceW / basePx
}

export function sp (sp) {
  if (sp == null) return 0
  return sp * deviceW / basePx
}

export function px2dp (px) {
  if (px == null) return 0
  return px * deviceW / basePx
}