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71 lines
2.1 KiB
71 lines
2.1 KiB
import 'package:flutter/material.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:provider/provider.dart';
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import 'package:akuCommunity/provider/app_provider.dart';
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class AnimateAppBar extends StatefulWidget with PreferredSizeWidget {
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final ScrollController scrollController;
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final List<Widget> actions;
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AnimateAppBar({Key key, this.scrollController, this.actions})
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: super(key: key);
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@override
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_AnimateAppBarState createState() => _AnimateAppBarState();
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@override
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Size get preferredSize => Size.fromHeight(56);
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}
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class _AnimateAppBarState extends State<AnimateAppBar> {
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Color _bgColor = Colors.transparent;
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@override
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void initState() {
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super.initState();
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widget.scrollController.addListener(() {
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setState(() {
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_bgColor = widget.scrollController.offset > 30
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? Color(0xFFFFBD00)
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: widget.scrollController.offset < 0
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? Colors.transparent
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: Color(0xFFFFBD00)
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.withOpacity((widget.scrollController.offset / 30));
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});
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});
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}
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@override
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Widget build(BuildContext context) {
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final appProvider = Provider.of<AppProvider>(context);
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return AppBar(
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title: Text('人才公寓智慧小区'),
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backgroundColor: _bgColor,
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leading: Container(
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margin: EdgeInsets.only(left: 32.w),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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appProvider?.location['city'] ?? '',
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style: TextStyle(
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fontWeight: FontWeight.w600,
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fontSize: 24.sp,
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color: Color(0xff333333),
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),
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),
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Text(
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'${appProvider.weatherType} ${appProvider.weatherTemp}℃',
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style: TextStyle(
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fontSize: 20.sp,
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color: Color(0xff333333),
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),
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)
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]),
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),
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actions: widget.actions,
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);
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}
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}
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