app-starlock/lib/app_settings/app_theme.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'app_colors.dart';
import 'app_style.dart';

class AppTheme {

  static bool get  isDarkMode => Get.isDarkMode;

  static ThemeData get appThemeData => ThemeData(
    // fontFamily: ,
    primaryColor: AppColors.primaryTopColor,
    navigationBarTheme: navigationBarThemeData,
    checkboxTheme: checkBoxThemeData,
    textButtonTheme: textButtonThemeData,
    outlinedButtonTheme: outlinedButtonThemeData,
    buttonTheme: buttonThemeData,
    elevatedButtonTheme: elevatedButtonThemeData,
    scaffoldBackgroundColor: Colors.transparent,
    dialogBackgroundColor: AppColors.dialogBgColor,
    // inputDecorationTheme: inputDecorationTheme,
    dividerTheme: dividerTheme,
    bottomNavigationBarTheme: bottomNavigationBarThemeData,
    switchTheme: switchThemeData,
  );

  static SwitchThemeData get switchThemeData => SwitchThemeData(
    trackColor: MaterialStateProperty.resolveWith((states){
      if(states.contains(MaterialState.selected)){
        return AppColors.switchTrackSelectedColor;
      }
      return AppColors.switchTrackUnselectedColor;
    }),
    thumbColor: MaterialStateProperty.resolveWith((states){
      if(states.contains(MaterialState.selected)){
        return AppColors.switchThumbColor;
      }
      return AppColors.switchThumbColor;
    }),
  );

  static NavigationBarThemeData get navigationBarThemeData => const NavigationBarThemeData(
    backgroundColor: Colors.transparent,
  );

  static BottomNavigationBarThemeData get bottomNavigationBarThemeData => BottomNavigationBarThemeData(
    elevation: 0,
    backgroundColor: Colors.transparent,
    selectedItemColor: AppColors.buttonEnableColor,
    unselectedItemColor: AppColors.buttonEnableTextColor,
    selectedLabelStyle: AppStyle.textStyle(
      fontSize: 10,
    ),
    unselectedLabelStyle: AppStyle.textStyle(
      fontSize: 11,
    ),
    selectedIconTheme:  bottomBarSelectedIconTheme,
    unselectedIconTheme: bottomBarUnselectedIconTheme,
    landscapeLayout: BottomNavigationBarLandscapeLayout.centered,
  );

  static IconThemeData get bottomBarSelectedIconTheme => const IconThemeData(
    size: 20,
  );

  static IconThemeData get bottomBarUnselectedIconTheme => const IconThemeData(
    size: 21,
  );

  static DividerThemeData get dividerTheme => DividerThemeData(
    color: AppColors.dividerColor,
  );

  static InputDecorationTheme get inputDecorationTheme => InputDecorationTheme(
    hintStyle: AppStyle.textFieldHintTextStyle,
    enabledBorder:  AppStyle.textFieldEnableBorder,
    focusedBorder: AppStyle.textFieldFocusBorder,
    border: AppStyle.textFieldEnableBorder,
  );

  static AppBarTheme get appBarTheme => AppBarTheme(
    backgroundColor: Colors.transparent,
    iconTheme: IconThemeData(
      color: AppColors.appBarIconColor,
    ),
    elevation: 0.0,
  );

  static CheckboxThemeData get checkBoxThemeData => CheckboxThemeData(
    fillColor: MaterialStateProperty.resolveWith((states) {
      if(states.contains(MaterialState.selected)){
        return AppColors.checkBoxSelectedColor;
      }
      return AppColors.checkBoxUnselectedColor;
    }),
    overlayColor: MaterialStateProperty.resolveWith((states) => AppColors.checkBoxOverlayColor),
  );

  static ElevatedButtonThemeData get elevatedButtonThemeData => ElevatedButtonThemeData(
    style: AppStyle.elevatedButtonButtonStyle,
  );

  static TextButtonThemeData get textButtonThemeData => TextButtonThemeData(
    style: AppStyle.textButtonStyle,
  );

  static OutlinedButtonThemeData get outlinedButtonThemeData => OutlinedButtonThemeData(
    style: AppStyle.outlinedButtonButtonStyle,
  );

  static ButtonThemeData get buttonThemeData => const ButtonThemeData(
    textTheme: ButtonTextTheme.primary,
    shape: RoundedRectangleBorder(
      borderRadius: BorderRadius.all(Radius.circular(16.0))
    ),
    height: 90,
  );


}


class NoShadowScrollBehavior extends ScrollBehavior {
  const NoShadowScrollBehavior({this.axisDirection = AxisDirection.up}):super();

  final AxisDirection axisDirection;
  @override
  Widget buildOverscrollIndicator(BuildContext context, Widget child, ScrollableDetails details) {
    return GlowingOverscrollIndicator(axisDirection: axisDirection, color: Colors.red,showTrailing: false,showLeading: false,child: child,);
  }
}