YY-Hotel-Business-ER/packages/cs_widgets/lib/my_appbar.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
import 'package:cs_resources/generated/assets.dart';
import 'package:cs_resources/constants/color_constants.dart';
import 'my_load_image.dart';
import 'search_app_bar.dart';
import 'utils/dark_theme_util.dart';

class MyAppBar {
  ///封装的默认的AppBar，Light默认模式下，黑色图标+黑色文本，Dark模式下，白色图标+白色文本
  static AppBar appBar(BuildContext context, String title,
      {void Function()? backCallback,
      String? backIconPath,
      double? backIconWidth,
      double? backIconHeight,
      String? subTitle,
      Color? subTitleColor,
      Color textColor = Colors.white,
      Color backgroundColor = Colors.transparent,
      SystemUiOverlayStyle? systemUiOverlayStyle,
      List<Widget>? actions}) {
    return AppBar(
      //设置变色与背景颜色一致，避免滚动的时候AppBar变色
      backgroundColor: backgroundColor,
      surfaceTintColor: backgroundColor,
      systemOverlayStyle: systemUiOverlayStyle,
      leading: IconButton(
        icon: MyAssetImage(backIconPath ?? Assets.baseLibWhiteBack, width: backIconWidth ?? 11, height: backIconHeight ?? 18),
        onPressed: () {
          if (backCallback != null) {
            backCallback();
          } else {
            Get.back();
            // Navigator.pop(context);
          }
        },
      ),
      centerTitle: true,
      title: subTitle == null
          ? Text(
              title,
              style: TextStyle(color: Colors.white, fontSize: 18, fontWeight: FontWeight.w500),
            )
          : Column(
              mainAxisSize: MainAxisSize.max,
              mainAxisAlignment: MainAxisAlignment.center,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                Text(
                  title,
                  style: TextStyle(color: Colors.white, fontSize: 18, fontWeight: FontWeight.w500),
                ),
                Text(
                  subTitle,
                  style: TextStyle(color: subTitleColor ?? Colors.white, fontSize: 15, fontWeight: FontWeight.w400),
                )
              ],
            ),
      actions: actions,
      elevation: 0.0,
      bottom: PreferredSize(
          preferredSize: const Size.fromHeight(0.5),
          child: Divider(
            height: 0.5,
            indent: 0.0,
            color: ColorConstants.dividerBar,
          )),
    );
  }

  //自定义高度快
  static SizedBox rowHeight({double height = 30}) {
    return SizedBox(height: height);
  }

  //自定义宽度快
  static SizedBox rowWidth({double width = 30}) {
    return SizedBox(width: width);
  }

  /// 带搜索的AppBar
  static AppBar appSearchBar(BuildContext context,
      {void Function()? backCallback,
      String? value,
      String? hintText,
      Color textColor = Colors.white,
      Color backgroundColor = Colors.transparent,
      ValueChanged<String>? onSearch,
      ValueChanged<String>? onChanged,
      SystemUiOverlayStyle? systemUiOverlayStyle,
      TextEditingController? controller,
      List<Widget>? actions}) {
    return AppBar(
      backgroundColor: backgroundColor,
      surfaceTintColor: backgroundColor,
      systemOverlayStyle: systemUiOverlayStyle,
      // 标题与其他控件的间隔
      titleSpacing: 0,
      leading: IconButton(
        icon: MyAssetImage(Assets.baseLibWhiteBack, width: 11, height: 18),
        onPressed: () {
          if (backCallback != null) {
            backCallback();
          } else {
            Get.back();
            // Navigator.pop(context);
          }
        },
      ),
      centerTitle: true,
      title: SearchAppBar(
        onSearch: onSearch,
        onChanged: onChanged,
        value: value,
        hintText: hintText,
        controller: controller,
      ),
      actions: actions,
      elevation: 0.0,
      bottom: PreferredSize(
          preferredSize: const Size.fromHeight(0.5),
          child: Divider(
            height: 0.5,
            indent: 0.0,
            color: ColorConstants.dividerBar,
          )),
    );
  }
}