flutter_app_fuyou/lib/code/base/YSBase.dart

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutterappfuyou/code/base/YSTools.dart';

class YSBase extends StatefulWidget {
  final Widget yschild;
  final String ystitle;
  final Widget ysright;
  final Color ysColor;
  final Color ysBgColor;
  final bool isBack;
  const YSBase({Key key, this.yschild,this.ystitle,this.ysright, this.ysColor, this.ysBgColor, this.isBack = true}) : super(key: key);
  @override
  _YSBaseState createState() => _YSBaseState();
}

class _YSBaseState extends State<YSBase> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: widget.ysBgColor??Colors.white,
      body: Stack(
        children: [
          Container(
            height: MediaQuery.of(context).padding.top+70,
            width: MediaQuery.of(context).size.width,
            color: widget.ysColor??Color(0xFFDB5278),
          ),
          Container(
            margin: EdgeInsets.only(top: 20),
            padding: EdgeInsets.only(left: 15,right: 15),
            height: 30+MediaQuery.of(context).padding.top,
            width: MediaQuery.of(context).size.width,
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Container(
                  height: 30,
                  width: 20,
                  margin: EdgeInsets.only(right: 35),
                  child: widget.isBack?CupertinoButton(
                    padding: EdgeInsets.all(0),
                    child: Icon(Icons.arrow_back_ios,size: 20,color: Colors.white,),
                    onPressed: (){
                      FocusScope.of(context).unfocus();
                      Navigator.pop(context);
                    },
                  ):Container(),
                ),
                Container(
                  width: ysWidth(context)-150,
                  child: Text(widget.ystitle,style: TextStyle(color: Colors.white,fontSize: 16,decoration: TextDecoration.none,fontWeight: FontWeight.w600),
                    textAlign: TextAlign.center,maxLines: 1,),
                ),
                Container(
                  width: 55,
                  height: 30,
                  child: widget.ysright,
                ),
              ],
            ),
          ),
          Container(
            margin: EdgeInsets.only(top: 50+MediaQuery.of(context).padding.top),
            height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-50,
            width: MediaQuery.of(context).size.width,
            decoration: BoxDecoration(
              color: widget.ysBgColor??Color(0xFFFAF8F5),
              borderRadius: BorderRadius.only(topLeft: Radius.circular(20),topRight: Radius.circular(20))
            ),
            child: widget.yschild,
          )
        ],
      ),
    );
  }
}

class YSBase2 extends StatefulWidget {
  final String title;
  final Color color;
  final Widget child;
  const YSBase2({Key key, this.title = '', this.color, @required this.child}) : super(key: key);

  @override
  _YSBase2State createState() => _YSBase2State();
}

class _YSBase2State extends State<YSBase2> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: CupertinoNavigationBar(
        backgroundColor: Colors.white,
        leading: GestureDetector(
          child: Icon(Icons.arrow_back_ios,size: 20),
          onTap: (){
            Navigator.pop(context);
          },
        ),
        middle: Text(widget.title,style: TextStyle(fontSize: 16),),
      ),
      body: Container(
        height: MediaQuery.of(context).size.height-MediaQuery.of(context).padding.top-44,
        width: MediaQuery.of(context).size.width,
        color: widget.color??Colors.white,
        child: SingleChildScrollView(
          child: widget.child,
        ),
      ),
    );
  }
}

class CustomerValueNotification extends Notification {
  final Map value;
  CustomerValueNotification(this.value);
}