import 'dart:convert'; import 'dart:io'; import 'dart:typed_data'; import 'package:car_customer_app/theme/colors.dart'; import 'package:flutter/material.dart'; import 'package:car_customer_app/exceptions/api_exception.dart'; import 'package:car_customer_app/widgets/loading_dialog.dart'; import 'package:fluttertoast/fluttertoast.dart'; class Utils { static bool _isLoadingVisible = false; static bool get isLoading => _isLoadingVisible; static void showToast(String message) { Fluttertoast.showToast( msg: message, toastLength: Toast.LENGTH_SHORT, gravity: ToastGravity.BOTTOM, timeInSecForIosWeb: 2, backgroundColor: Colors.black54, textColor: Colors.white, fontSize: 16.0); } static dynamic getNotNullValue(List list, int index) { try { return list[index]; } catch (ex) { return null; } } static int stringToHex(String colorCode) { try { return int.parse(colorCode.replaceAll("#", "0xff")); } catch (ex) { return (0xff000000); } } static void showLoading(BuildContext context) { WidgetsBinding.instance.addPostFrameCallback((_) { _isLoadingVisible = true; showDialog( context: context, barrierColor: Colors.black.withOpacity(0.5), builder: (BuildContext context) => LoadingDialog(), ).then((value) { _isLoadingVisible = false; }); }); } static void hideLoading(BuildContext context) { if (_isLoadingVisible) { _isLoadingVisible = false; Navigator.of(context).pop(); } _isLoadingVisible = false; } static void handleException(dynamic exception, Function(String)? onErrorMessage) { String errorMessage; if (exception is APIException) { if (exception.message == APIException.UNAUTHORIZED) { return; } else { errorMessage = exception.error?.errorMessage ?? exception.message; } } else { errorMessage = APIException.UNKNOWN; } if (onErrorMessage != null) { onErrorMessage(errorMessage); } else { showToast(errorMessage); } } static Color getColorFromHex(String hexColor) { hexColor = hexColor.toUpperCase().replaceAll('#', ''); if (hexColor.length == 6) { hexColor = 'FF' + hexColor; } return Color(int.parse(hexColor, radix: 16)); } static Widget spacerVertical(double v) { return SizedBox( height: v, width: double.infinity, ); } static String convertFileToBase64(File file) { List imageBytes = file.readAsBytesSync(); return base64Encode(imageBytes); } static Future delay(int millis) async { return await Future.delayed(Duration(milliseconds: millis)); } static inkWellCorner({double? r}) { return RoundedRectangleBorder( borderRadius: BorderRadius.circular(r ?? 4), ); } static Widget spacerHorizontal(double v) { return SizedBox( height: v, width: v, ); } static Widget mDivider(Color color, {double? h}) { return Container( width: double.infinity, height: h ?? 1, color: color, ); } static Widget mDivider3({double? h}) { return Container( width: double.infinity, height: h ?? 1, color: borderLightColor!.withOpacity(0.7), ); } static Widget mDivider2(Color color, double w) { return Container( width: w, height: 1, color: color, ); } static InputDecoration txtField(String label) { return InputDecoration( border: InputBorder.none, focusedBorder: InputBorder.none, enabledBorder: InputBorder.none, errorBorder: InputBorder.none, hintText: label, hintStyle: const TextStyle(color: Colors.grey), disabledBorder: InputBorder.none, isDense: false, contentPadding: const EdgeInsets.only(left: 15, right: 15), ); } static Widget mFlex(int f) { return Flexible( flex: f, child: const SizedBox( width: double.infinity, height: double.infinity, ), ); } static Widget mExp(int f) { return Expanded( flex: f, child: Container( width: double.infinity, ), ); } static spacer() { return const SizedBox( height: 8, ); } static cardRadius(double radius) { return RoundedRectangleBorder( side: const BorderSide(color: Colors.transparent, width: 1), borderRadius: BorderRadius.circular(radius), ); } static cardRadiusWithoutBorder(double radius) { return RoundedRectangleBorder( side: const BorderSide(color: Colors.transparent, width: 1), borderRadius: BorderRadius.circular(radius), ); } static Image imageFromBase64String(String base64String) { return Image.memory(base64Decode(base64String)); } static Uint8List dataFromBase64String(String base64String) { return base64Decode(base64String); } static String base64String(Uint8List data) { return base64Encode(data); } static Widget overLayWidget({double? width, double? height, List? color}) { return Container( width: width ?? double.infinity, height: height ?? 60, decoration: BoxDecoration( gradient: LinearGradient( colors: color ?? [ Colors.black.withOpacity(0.2), Colors.black.withOpacity(0.1), Colors.black.withOpacity(0.004), ], begin: Alignment.topCenter, end: Alignment.bottomCenter, tileMode: TileMode.clamp, ), ), ); } static Decoration containerRadius(Color color, double r) { return BoxDecoration( color: color, borderRadius: BorderRadius.all(Radius.circular(r)), ); } static Decoration containerRadiusTop({Color? color, double? r}) { return BoxDecoration( color: color ?? Colors.white, borderRadius: BorderRadius.only(topRight: Radius.circular(r ?? 12), topLeft: Radius.circular(r ?? 12)), ); } static Decoration containerRadiusBorder(Color color, double r) { return BoxDecoration( color: Colors.transparent, border: Border.all(color: color, width: 1), borderRadius: BorderRadius.all(Radius.circular(r)), ); } static Decoration containerRadiusBottom(Color color, double r) { return BoxDecoration( color: color, borderRadius: BorderRadius.only(bottomLeft: Radius.circular(r), bottomRight: Radius.circular(r)), ); } static ShapeBorder cardRadiusTop(double radius) { return RoundedRectangleBorder( side: const BorderSide(color: Colors.transparent, width: 0), borderRadius: BorderRadius.only(topLeft: Radius.circular(radius), topRight: Radius.circular(radius)), ); } static Decoration containerColorRadiusBorderWidth(Color background, double radius, Color color, double w) { return BoxDecoration( color: background, border: Border.all( width: w, // color: color // <--- border width here ), borderRadius: BorderRadius.circular(radius), ); } static ShapeBorder cardRadiusTop2(double radius) { return RoundedRectangleBorder( borderRadius: BorderRadius.only(topLeft: Radius.circular(radius), topRight: Radius.circular(radius)), ); } static ShapeBorder cardRadiusBottom(double radius) { return RoundedRectangleBorder( borderRadius: BorderRadius.only(bottomLeft: Radius.circular(radius), bottomRight: Radius.circular(radius)), ); } static Decoration containerColorRadiusBorder(Color background, double radius, Color color) { return BoxDecoration( color: background, border: Border.all( width: 1, // color: color // <--- border width here ), borderRadius: BorderRadius.circular(radius), ); } static bool passwordValidateStructure(String value) { String pattern = r'^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[!@#\$&*~]).{6,}$'; RegExp regExp = RegExp(pattern); return regExp.hasMatch(value); } static bool isEmailValid(String email) { String p = r'^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$'; RegExp regExp = RegExp(p); return regExp.hasMatch(email); } }