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import 'dart:developer' as devtools show log;

extension Log on Object {
  void log() => devtools.log(toString());
}

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class StatusCategoryButton extends StatelessWidget {
  const StatusCategoryButton({
    required this.icon,
    required this.title,
    Key? key,
  }) : super(key: key);

  final String icon;
  final String title;

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   return (jsonDecode(response.body) as List)
        .map((i) => PostModel.fromJson(jsonEncode(i)))
        .toList();

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import 'package:fluttertoast/fluttertoast.dart';
/// Hardware back Button Press 
/// DateTime timeBackPressed = DateTime.now(); 
/// timeBackPressed is reviced from the View
Future<bool> willPopScopeLogic(DateTime timeBackPressed) async {
  final Duration difference = DateTime.now().difference(timeBackPressed);
  final bool isExitWarning = difference >= const Duration(seconds: 2);
  timeBackPressed = DateTime.now();

  if (isExitWarning) {

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import 'package:fluttertoast/fluttertoast.dart';
/// Hardware back Button Press 
/// DateTime timeBackPressed = DateTime.now(); 
/// timeBackPressed is reviced from the View
Future<bool> willPopScopeLogic(DateTime timeBackPressed) async {
  final Duration difference = DateTime.now().difference(timeBackPressed);
  final bool isExitWarning = difference >= const Duration(seconds: 2);
  timeBackPressed = DateTime.now();

  if (isExitWarning) {

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import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';

class DisplayCollection extends StatefulWidget {
  @override
  _DisplayCollectionState createState() => _DisplayCollectionState();
}

class _DisplayCollectionState extends State<DisplayCollection> {
  final Ref = Firestore.instance.collection("Countries");

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import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Elevated Button',
      home: FlutterExample(),

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food_delivery_app_ui

a clean Design and Clean Code structure

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import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);
const Color PRIMARY_COLOR = Colors.indigo;
const Color ACCENT_COLOR = Colors.indigoAccent;
const Color BACKGROUND_COLOR = Colors.grey;


   ThemeData _buildTheme() {       
         final ThemeData base = ThemeData.light();

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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: HomePage(),