lazy_data_viewer 1.0.3

Lazy json viewer for flutter

example/lib/main.dart

import 'package:example/posts.dart';
import 'package:flutter/material.dart';
import 'package:lazy_data_viewer/config/lazy_data_config.dart';
import 'package:lazy_data_viewer/lazy_data_viewer.dart';
import 'package:lazy_data_viewer/widgets/mobile_scroll_behavior.dart';
void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      scrollBehavior: MobileScrollBehavior(),
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Lazy data viewer Demo'),
    );
  }
}

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

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  LazyDataController controller = LazyDataController();
  dynamic json;

  updateJson() {
    json=posts;
    return;
    json = {
      "":"",
      'null': null,
      'int': 123,
      // 'double': 123.456,
      // 'boolTrue': true,
      // "name": "John",
      // "age": 30,
      // "emptyObject": {},
      // 'emptyArray': [],
      // "cars": [
      //   {"model": "Ford", "year": 2010},
      //   {"model": "BMW", "year": 2015},
      //   {
      //     "model": "Fiat",
      //     "year": 2018,
      //     "motors": [
      //       {"model": "Ford", "year": 2010},
      //       {"model": "BMW", "year": 2015},
      //       {"key": "4", "year": 1018}
      //     ]
      //   }
      // ],
      // 'nativeArray': [
      //   'first',
      //   'second',
      //   'third',
      // ],
      // "address": {"street": "123 Main St", "city": "New York", "zip": "10001"}
    };
    return json;
  }

  @override
  void initState() {
    super.initState();
    controller.stream.listen(
      (event) {
        if (event is int) {
          setState(() {});
        }
      },
    );
    // controller.setData(updateJson());
  }

  @override
  Widget build(BuildContext context) {
    updateJson();
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: SingleChildScrollView(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Expanded(
              flex: 0,
                child: LazyDataViewer(
                  initData: json,
              controller: controller,
              shrinkWrap: true,
              configs: const LazyDataConfigs(
                maxValueWidth: 1700,
              ),
            )),
            Row(
              children: [
                Text('Parser time:${controller.parseTime.toString()}'),
                Expanded(
                  child: Column(
                    children: [
                      TextButton(
                          onPressed: () {
                            controller.setData(json, isForceUpdate: true);
                          },
                          child: const Text('Update')),
                    ],
                  ),
                ),
              ],
            )
          ],
        ),
      ),
    );
  }
}