system_app_bar.dart
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import 'package:common_utils/common_utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/utils/utils.dart';
class SystemAppBar extends StatelessWidget implements PreferredSizeWidget {
final String title;
final String rightImgName;
final GestureTapCallback onTap;
final bool showLeading;
final GestureTapCallback onTapRight;
final String leftTitle;
final Color bgColor;
final bool needWhite;
final Color titleColor;
const SystemAppBar(this.title,
{Key key,
this.rightImgName,
this.onTap,
this.onTapRight,
this.showLeading = true,
this.bgColor = MyColours.color_ffffff,
this.needWhite = false,
this.leftTitle = '',
this.titleColor = MyColours.color_353535})
: super(key: key);
@override
Widget build(BuildContext context) {
return AppBar(
backgroundColor: bgColor,
elevation: 0,
leadingWidth:
leftTitle != '' ? ScreenUtil().setWidth(84 * 2 + 40 + 10) : 56,
leading: showLeading
? InkWell(
onTap: onTap,
child: Padding(
padding: EdgeInsets.symmetric(
horizontal: ScreenUtil().setWidth(40),
vertical: ScreenUtil().setWidth(15)),
child: Row(
children: <Widget>[
Image.asset(
needWhite
? "assets/icon_white.png"
: "assets/icon_back.png",
width: ScreenUtil().setWidth(20),
height: ScreenUtil().setWidth(31),
),
leftTitle != ''
? Padding(
padding: EdgeInsets.only(
left: ScreenUtil().setWidth(20)),
child: Text(leftTitle,
style: TextStyle(
fontSize: ScreenUtil().setWidth(30),
color: MyColours.color_333333)),
)
: Container()
],
)),
)
: Container(),
title: Text(
title,
style: TextStyle(
color: needWhite ? MyColours.color_fefefe : titleColor,
fontSize: ScreenUtil().setSp(34),
decoration: TextDecoration.none),
),
actions: <Widget>[
ObjectUtil.isNotEmpty(rightImgName)
? InkWell(
onTap: onTapRight,
child: Padding(
padding: EdgeInsets.only(right: ScreenUtil().setWidth(40)),
child: rightImgName.endsWith('png')
? Image.asset(
Utils.getImgPath(
rightImgName.replaceAll('.png', '')),
width: ScreenUtil().setWidth(48))
: Container(
// color: Colors.red,
alignment: Alignment.center,
child: Text(
rightImgName,
style: TextStyle(
color: MyColours.color_199095,
fontSize: ScreenUtil().setSp(34)),
),
)),
)
: Text('')
],
centerTitle: true, // 标题居中
);
}
@override
// TODO: implement preferredSize
Size get preferredSize => new Size.fromHeight(50.0);
}