app-starlock/lib/tools/titleAppBar.dart

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:star_lock/app_settings/app_colors.dart';
import 'package:star_lock/flavors.dart';
import 'package:star_lock/tools/langue/langue_tool.dart';

class TitleAppBar extends AppBar {
  @override
  final Color? backgroundColor;
  final String? barTitle;
  final Color? titleColor;
  final Color? iconColor;
  final bool? haveTitleWidget;
  final Widget? titleWidget;
  final bool? haveBack;
  final Function? backAction;
  final bool? haveOtherLeftWidget;
  final Widget? leftWidget;
  List<Widget>? actionsList;
  final double? leadingWidth;

  TitleAppBar(
      {Key? key,
      this.barTitle,
      this.titleColor,
      this.haveTitleWidget = false,
      this.titleWidget,
      this.iconColor,
      this.backgroundColor,
      this.actionsList,
      this.haveBack,
      this.backAction,
      this.haveOtherLeftWidget = false,
      this.leadingWidth,
      this.leftWidget})
      : super(key: key);

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

class _TitleAppBarState extends State<TitleAppBar> {
  @override
  Widget build(BuildContext context) {
    bool isRTL =
        LanguageTool.instance.isArabic || LanguageTool.instance.isHebrew;

    return AppBar(
        elevation: 0,
        leadingWidth: widget.leadingWidth,
        leading: widget.haveOtherLeftWidget!
            ? widget.leftWidget
            : (widget.haveBack ?? false
                ? IconButton(
                    icon: Icon(
                        isRTL ? Icons.arrow_forward_ios : Icons.arrow_back_ios,
                        color: widget.iconColor ?? Colors.white),
                    onPressed: () {
                      if (widget.backAction != null) {
                        widget.backAction!();
                      } else {
                        if (EasyLoading.isShow) {
                          EasyLoading.dismiss();
                        }
                        Navigator.pop(context);
                      }
                    })
                : Container()),
        backgroundColor: widget.backgroundColor ?? Colors.white,
        title: widget.haveTitleWidget!
            ? widget.titleWidget
            : Text(widget.barTitle ?? '',
                // '发生的发生的发生的发生大发三大发手打',
                maxLines: 3,
                textAlign: TextAlign.center,
                style: TextStyle(
                    color: widget.titleColor ?? Colors.white,
                    fontSize: 26.sp,
                    fontWeight: FontWeight.w500)),
        centerTitle: true,
        actions: widget.actionsList ?? []);
  }
}