import 'package:aku_new_community/provider/app_provider.dart'; import 'package:aku_new_community/utils/headers.dart'; import 'package:flutter/material.dart'; import 'package:flutter_screenutil/flutter_screenutil.dart'; import 'package:provider/provider.dart'; class AnimateAppBar extends StatefulWidget with PreferredSizeWidget { final ScrollController? scrollController; final List? actions; AnimateAppBar({Key? key, this.scrollController, this.actions}) : super(key: key); @override _AnimateAppBarState createState() => _AnimateAppBarState(); @override Size get preferredSize => Size.fromHeight(45); } class _AnimateAppBarState extends State { Color _bgColor = Colors.white; @override void initState() { super.initState(); widget.scrollController!.addListener(() { setState(() { _bgColor = widget.scrollController!.offset > 30 ? Colors.white : widget.scrollController!.offset < 0 ? Colors.transparent : Colors.white .withOpacity((widget.scrollController!.offset / 30)); }); }); } @override Widget build(BuildContext context) { final appProvider = Provider.of(context); return Padding( padding: const EdgeInsets.only(top: 5), child: AppBar( titleSpacing: 10.0, title: Row(crossAxisAlignment: CrossAxisAlignment.center, children: [ if (appProvider.location != null) Padding( padding: const EdgeInsets.only(right: 5), child: Image.asset( R.ASSETS_ICONS_ICON_MAIN_LOCATION_PNG, width: 32.w, height: 32.w, ), ), Text( appProvider.location?['city'] == null ? '' : appProvider.location?['city'] as String? ?? '', style: TextStyle( fontWeight: FontWeight.w600, fontSize: 24.sp, color: Color(0xff333333), ), textAlign: TextAlign.center, ), Text( '(${appProvider.weatherType} ${appProvider.weatherTemp}℃)', style: TextStyle( fontSize: 24.sp, color: Color(0xff999999), ), textAlign: TextAlign.center, ), ]), backgroundColor: _bgColor, actions: widget.actions, ), ); } }