1、获取设备宽、高、像素比
import Dimensions from 'Dimensions';
import PixelRatio from 'PixelRatio';
let totalWidth = Dimensions.get('window').width; // 宽度
let totalHeight = Dimensions.get('window').height; // 高度
let pixelRatio = PixelRation.get(); //像素比
1、获取设备宽、高、像素比
import Dimensions from 'Dimensions';
import PixelRatio from 'PixelRatio';
let totalWidth = Dimensions.get('window').width; // 宽度
let totalHeight = Dimensions.get('window').height; // 高度
let pixelRatio = PixelRation.get(); //像素比
