size_fit.dart
739 Bytes
import 'package:flutter/material.dart';
class HYSizeFit {
static late MediaQueryData _mediaQueryData;
static late double screenWidth;
static late double screenHeight;
static late double rpx;
static late double px;
static void initialize(BuildContext context, {double standardWidth = 750}) {
_mediaQueryData = MediaQuery.of(context);
screenWidth = _mediaQueryData.size.width;
screenHeight = _mediaQueryData.size.height;
rpx = screenWidth / standardWidth;
px = screenWidth / standardWidth * 2;
}
// 按照像素来设置
static double setPx(double size) {
return HYSizeFit.rpx * size * 2;
}
// 按照rxp来设置
static double setRpx(double size) {
return HYSizeFit.rpx * size;
}
}