dd_js_util 0.0.7

Flutterweb端工具类

example/lib/main.dart

import 'package:dd_js_util/widget/count_down.dart';
import 'package:dd_js_util/widget/picture_selection.dart';
import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:dd_js_util/dd_js_util.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion =
          await DdJsUtil.platformVersion ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }


  final data =DateTime.now().add(Duration(hours: 2));

  final CountDownController _controller = new CountDownController();

  final PictureSelectionController _pictureSelectionController = new PictureSelectionController();

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: SingleChildScrollView(
          child: Column(
            children: [
              Center(
                child: Text('Running on: $_platformVersion\n'),
              ),
              TextButton(onPressed: ()async {
                final result = await DdJsUtil.isWeChatBrowser;
                print(result);
              }, child: Text('是否为微信浏览器')),




              CountDown(endTime: "${data.toIso8601String()}",onEnd: (){
                print('倒计时结束');
              },autoStart: false,controller: _controller,),


              TextButton(onPressed: (){
                _controller.start();
              },child: Text('开始倒计时')),

              TextButton(onPressed: (){
                _controller.stop();
              },child: Text('结束倒计时')),

              TextButton(onPressed: (){
                _controller.refresh();
              },child: Text('刷新UI')),


              PictureSelection(multipleChoice: true,controller: _pictureSelectionController,),

              TextButton(onPressed: (){
                final files = _pictureSelectionController.getFiles;
                print(files);
              }, child: Text('获取全部图片'),),
              TextButton(onPressed: (){
                _pictureSelectionController.clean();
              }, child: Text('清空全部图片'),)
              
            ],
          ),
        ),
      ),
    );
  }
}