nan_common_utils 0.0.21

A new Flutter project.

example/lib/main.dart

import 'dart:io';

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

import 'package:flutter/services.dart';
import 'package:nan_common_utils/nan_common_utils.dart';
import 'package:nan_common_utils/nan_util.dart';

const VIEW_TYPE = 'com.amap.flutter.map';
const BasicMessageChannel<dynamic> messageChannel = const BasicMessageChannel("testDidiView2", StandardMessageCodec());
void main() {
  runApp(MyApp());
}

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

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

  @override
  void initState() {
    super.initState();
    initPlatformState();
    messageChannel.setMessageHandler((message)async{
      // setState(() {
      //   address = message.address;
      // });
      // NanUtil.showUploadDialog(context,tipMsg: "正在加载中...");
      setState(() {
        address = message["address"];
      });
    });
  }

  // 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 NanCommonUtils.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;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
          actions: [
            new Builder(
              builder: (context){
                return InkWell(
                  child: Container(
                    margin: EdgeInsets.only(right: 10),
                    alignment: Alignment.center,
                    child: Text("确定"),
                  ),
                  onTap: (){
                    messageChannel.send({"method":'haha'});
                  },
                ); 
              },
            )
          ],
        ),
        // body: Center(
        //   child: Text('Running on: $_platformVersion\n'),
        // ),
        body: Column(
          children: [
            Container(
              child: Text("$address",style: TextStyle(fontSize: 20),),
              width: NanUtil.kScreenWidth,
              constraints: BoxConstraints(
                minHeight: 20
              ),
            ),
            Expanded(child: SizedBox(
              width: NanUtil.kScreenWidth,
              height: 200,
              child: Platform.isIOS?UiKitView(
              viewType: VIEW_TYPE,
              // onPlatformViewCreated: onPlatformViewCreated,
              // gestureRecognizers: gestureRecognizers,
              creationParams: creationParams,
              creationParamsCodec: const StandardMessageCodec(),
            ):AndroidView(
              viewType: VIEW_TYPE,
              creationParams: creationParams,
              creationParamsCodec: const StandardMessageCodec(),
            ),
            ))
          ],
        ),
      ),
    );
  }

  final Map<String, dynamic> creationParams = <String, dynamic>{
      'apiKey': "您的appkey",
    };

}