flutter实现仿boss直聘功能

export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
export PATH=`pwd`/flutter/bin:$PATH

theme: new ThemeData(
    primaryIconTheme: const IconThemeData(color: Colors.white),
    brightness: Brightness.light,
    primaryColor: new Color.fromARGB(255, 0, 215, 198),
    accentColor: Colors.cyan[300],
   )

  @override
   Widget build(BuildContext context) {
    assert(debugCheckHasMaterial(context));
  
    double height = _kTextAndIconTabHeight;
    Widget label = new Column(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: <Widget>[
       new Container(
        child: new Image(
         image: new AssetImage(this.icon),
         height: 30.0,
         width: 30.0,
        ),
        margin: const EdgeInsets.only(bottom: _kMarginBottom),
       ),
       _buildLabelText()
      ]
    );
   }

 new SliverAppBar(
   expandedHeight: _appBarHeight,
   pinned: _appBarBehavior == AppBarBehavior.pinned,
   floating: _appBarBehavior == AppBarBehavior.floating ||
     _appBarBehavior == AppBarBehavior.snapping,
   snap: _appBarBehavior == AppBarBehavior.snapping,
   flexibleSpace: new FlexibleSpaceBar(
    title: new Text(_company.name,
      style: new TextStyle(color: Colors.white)),
    background: new Stack(
     fit: StackFit.expand,
     children: <Widget>[
      new Image.network(
       'https://img.bosszhipin.com/beijin/mcs/chatphoto/20170725/861159df793857d6cb984b52db4d4c9c.jpg',
       fit: BoxFit.cover,
       height: _appBarHeight,
      ),
     ],
    ),
   ),
  )

Navigator.of(context).push(new PageRouteBuilder(
    opaque: false,
    pageBuilder: (BuildContext context, _, __) {
     return new CompanyDetail(company);
    },
    transitionsBuilder: (_, Animation<double> animation, __, Widget child) {
     return new FadeTransition(
      opacity: animation,
      child: new SlideTransition(position: new Tween<Offset>(
       begin: const Offset(0.0, 1.0),
       end: Offset.zero,
      ).animate(animation), child: child),
     );
    }
  ))