DMZJ_F/lib/app/app_style.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_dmzj/app/app_color.dart';
import 'package:get/get.dart';

class AppStyle {
  static ThemeData lightTheme = getLightTheme();
  static ThemeData getLightTheme({ColorScheme? colorScheme}) {
    final scheme = colorScheme ?? AppColor.colorSchemeLight;
    return ThemeData(
      useMaterial3: true,
      colorScheme: scheme,
      brightness: Brightness.light,
    ).copyWith(
      scaffoldBackgroundColor: colorScheme != null ? null : Colors.white,
      cardColor: colorScheme != null ? null : Colors.white,
      appBarTheme: AppBarTheme(
        elevation: 0,
        backgroundColor: Colors.transparent,
        foregroundColor: scheme.onSurface,
        centerTitle: false,
        shape: Border(
          bottom: BorderSide(
            color: Colors.grey.withOpacity(.2),
            width: 1,
          ),
        ),
        iconTheme: IconThemeData(
          color: scheme.onSurface,
        ),
        titleTextStyle: TextStyle(
          fontSize: 16,
          color: scheme.onSurface,
        ),
        systemOverlayStyle: SystemUiOverlayStyle.dark.copyWith(
          systemNavigationBarColor: Colors.transparent,
        ),
      ),
    );
  }

  static ThemeData darkTheme = getDarkTheme();
  static ThemeData getDarkTheme({ColorScheme? colorScheme}) {
    final scheme = colorScheme ?? AppColor.colorSchemeDark;
    return ThemeData(
      useMaterial3: true,
      colorScheme: scheme,
      brightness: Brightness.dark,
    ).copyWith(
      primaryColor: scheme.primary,
      cardColor: const Color(0xff424242),
      scaffoldBackgroundColor: Colors.black,
      tabBarTheme: TabBarThemeData(
        indicatorColor: scheme.primary,
      ),
      appBarTheme: AppBarTheme(
        elevation: 0,
        backgroundColor: Colors.transparent,
        foregroundColor: Colors.white,
        centerTitle: false,
        shape: Border(
          bottom: BorderSide(
            color: Colors.grey.withOpacity(.2),
            width: 1,
          ),
        ),
        titleTextStyle: const TextStyle(
          fontSize: 16,
          color: Colors.white,
        ),
        iconTheme: const IconThemeData(
          color: Colors.white,
        ),
        systemOverlayStyle: SystemUiOverlayStyle.light.copyWith(
          systemNavigationBarColor: Colors.transparent,
        ),
      ),
    );
  }
  static const vGap4 = SizedBox(
    height: 4,
  );
  static const vGap8 = SizedBox(
    height: 8,
  );
  static const vGap12 = SizedBox(
    height: 12,
  );
  static const vGap24 = SizedBox(
    height: 24,
  );
  static const vGap32 = SizedBox(
    height: 32,
  );

  static const hGap4 = SizedBox(
    width: 4,
  );
  static const hGap8 = SizedBox(
    width: 8,
  );
  static const hGap12 = SizedBox(
    width: 12,
  );
  static const hGap16 = SizedBox(
    width: 16,
  );

  static const hGap24 = SizedBox(
    width: 24,
  );
  static const hGap32 = SizedBox(
    width: 32,
  );

  static const edgeInsetsH4 = EdgeInsets.symmetric(horizontal: 4);
  static const edgeInsetsH8 = EdgeInsets.symmetric(horizontal: 8);
  static const edgeInsetsH12 = EdgeInsets.symmetric(horizontal: 12);
  static const edgeInsetsH16 = EdgeInsets.symmetric(horizontal: 16);
  static const edgeInsetsH20 = EdgeInsets.symmetric(horizontal: 20);
  static const edgeInsetsH24 = EdgeInsets.symmetric(horizontal: 24);

  static const edgeInsetsV4 = EdgeInsets.symmetric(vertical: 4);
  static const edgeInsetsV8 = EdgeInsets.symmetric(vertical: 8);
  static const edgeInsetsV12 = EdgeInsets.symmetric(vertical: 12);
  static const edgeInsetsV24 = EdgeInsets.symmetric(vertical: 24);

  static const edgeInsetsA4 = EdgeInsets.all(4);
  static const edgeInsetsA8 = EdgeInsets.all(8);
  static const edgeInsetsA12 = EdgeInsets.all(12);
  static const edgeInsetsA24 = EdgeInsets.all(24);

  static const edgeInsetsR4 = EdgeInsets.only(right: 4);
  static const edgeInsetsR8 = EdgeInsets.only(right: 8);
  static const edgeInsetsR12 = EdgeInsets.only(right: 12);
  static const edgeInsetsR20 = EdgeInsets.only(right: 20);
  static const edgeInsetsR24 = EdgeInsets.only(right: 24);

  static const edgeInsetsL4 = EdgeInsets.only(left: 4);
  static const edgeInsetsL8 = EdgeInsets.only(left: 8);
  static const edgeInsetsL12 = EdgeInsets.only(left: 12);
  static const edgeInsetsL24 = EdgeInsets.only(left: 24);

  static const edgeInsetsT4 = EdgeInsets.only(top: 4);
  static const edgeInsetsT8 = EdgeInsets.only(top: 8);
  static const edgeInsetsT12 = EdgeInsets.only(top: 12);
  static const edgeInsetsT24 = EdgeInsets.only(top: 24);

  static const edgeInsetsB4 = EdgeInsets.only(bottom: 4);
  static const edgeInsetsB8 = EdgeInsets.only(bottom: 8);
  static const edgeInsetsB12 = EdgeInsets.only(bottom: 12);
  static const edgeInsetsB24 = EdgeInsets.only(bottom: 24);

  static BorderRadius radius4 = BorderRadius.circular(4);
  static BorderRadius radius8 = BorderRadius.circular(8);
  static BorderRadius radius12 = BorderRadius.circular(12);
  static BorderRadius radius24 = BorderRadius.circular(24);
  static BorderRadius radius32 = BorderRadius.circular(32);
  static BorderRadius radius48 = BorderRadius.circular(48);

  /// 顶部状态栏的高度
  static double get statusBarHeight => MediaQuery.of(Get.context!).padding.top;

  /// 底部导航条的高度
  static double get bottomBarHeight =>
      MediaQuery.of(Get.context!).padding.bottom;
}