markdown_core 1.0.0

Parse markdown and render it into rich text.

example/lib/main.dart

import 'package:example/data.dart';
import 'package:flutter/material.dart';
import 'package:markdown_core/markdown.dart';
import 'package:cached_network_image/cached_network_image.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
        brightness: Brightness.light,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({
    Key? key,
    required this.title,
  }) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      backgroundColor: Theme.of(context).brightness == Brightness.dark
          ? Colors.black
          : Colors.white,
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: SafeArea(
        child: SingleChildScrollView(
          child: Markdown(
            data: markdownData,
            linkTap: (link) => print('点击了链接 $link'),
            // textStyle: TextStyle(
            //   fontSize: 18,
            //   height: 1.8,
            //   color: Colors.black,
            // ),
            image: (imageUrl) {
              print('imageUrl $imageUrl');
              return CachedNetworkImage(
                imageUrl: imageUrl,
                placeholder: (context, url) => Container(
                  width: double.infinity,
                  height: 300,
                  child: Center(child: CircularProgressIndicator()),
                ),
                errorWidget: (context, url, error) => Icon(Icons.error),
              );
            },
          ),
        ),
      ),
    );
  }
}