plume 0.1.1

Birds can't do without feathers, so that they can travel in the sky. A good application needs standardized components to beautify and enrich it. It is.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:plume/framework/drawer.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Perspective',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key); // changed

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

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  Offset _offset = Offset.zero; // changed

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Transform(
        // Transform widget
        transform: Matrix4.identity()
          ..setEntry(3, 2, 0.001) // perspective
          ..rotateX(0.01 * _offset.dy) // changed
          ..rotateY(-0.01 * _offset.dx), // changed
        alignment: FractionalOffset.center,
        child: GestureDetector(
          // new
          onPanUpdate: (details) => setState(() => _offset += details.delta),
          onDoubleTap: () => setState(() => _offset = Offset.zero),
          child: _defaultApp(context),
        ));
  }

  _defaultApp(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('The Matrix 3D'), // changed
      ),
      drawer: DrawerBuilder.drawer(
        context,
        delegate: DrawerChildListDelegate(
          children: [

          ],
        ),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.display1,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
    );
  }
}