common_utils 1.0.1

Flutter common utils library.DateUtil, NumUtil, ScreenUtil, RegexUtil, ObjectUtil, WidgetUtil.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';

import 'package:common_utils/common_utils.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(home: new HomePage());
  }
}

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => new _HomePageState();
}

class _HomePageState extends State<HomePage> {
  String _sampleUrl = "示例工程地址" +
      "\n" +
      "\n" +
      "Sample project url"
      "\n" +
      "\n" +
      "https://github.com/Sky24n/flutter_demos";

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    ScreenUtil.getInstance().init(context);

    print("ScreenUtil screenWidth: " +
        ScreenUtil.screenWidth.toString() +
        "   screenHeight: " +
        ScreenUtil.screenHeight.toString() +
        "   statusBarHeight: " +
        ScreenUtil.statusBarHeight.toString() +
        "   screenDensity: " +
        ScreenUtil.screenDensity.toString() +
        "");

    List<String> listA = ["A", "B", "C"];
    List<String> listB = ["A", "B", "C"];
    print("Two List Is Equal: " +
        ObjectUtil.twoListIsEqual(listA, listB).toString());

    print("thl e getTimeByDateTime: " +
        DateUtil.getDateStrByDateTime(DateTime.now(),
            format: DateFormat.ZH_NORMAL, timeSeparate: ":") +
        "\n" +
        DateUtil.getZHWeekDay(DateTime.parse("2018-09-16")) +
        "\n" +
        DateUtil.getDateStrByDateTime(DateTime.now()) +
        "\n" +
        DateUtil.getDateStrByDateTime(DateTime.now(),
            format: DateFormat.ZH_NORMAL) +
        "\n" +
        DateUtil.getNowDateStr() +
        "");

    //保留小数点后2位数
    String tempStr = "1.5561111";
    double value = NumUtil.getNumByValueStr(tempStr, fractionDigits: 2);
    print("getDoubleByStr: " + '$value'); //result=1.56

    return new Scaffold(
        appBar: new AppBar(
          title: const Text('Common Utils'),
          centerTitle: true,
        ),
        body: new Center(
          child: new Text(
            _sampleUrl,
            textAlign: TextAlign.center,
            style: new TextStyle(fontSize: 16.0, color: Colors.blue),
          ),
        ));
  }
}