Mavzu: Androidda “ World Countries ” mobil ilovasini yaratish. Kirish

main.dart

import 'package:flutter/material.dart';

import 'package:provider/provider.dart';
import 'package:shop_app/splash/splash_screen.dart';
import 'package:shop_app/provider/country_provider.dart';
import 'package:shop_app/routs.dart';
import 'package:shop_app/theme.dart';

void main() {

runApp(MyApp());
}

class MyApp extends StatelessWidget {

@override
Widget build(BuildContext context) => ChangeNotifierProvider(
create: (context) => CountryProvider(),

child: MaterialApp(

title: 'World Countries',
theme: theme(),
debugShowCheckedModeBanner: false,
initialRoute: SplashScreen.routeName,
routes: routes,
),
);
}
routs.dart

import 'package:flutter/widgets.dart';

import 'package:shop_app/example_screen.dart';
import 'package:shop_app/home/home_screen.dart';
import 'package:shop_app/splash/splash_screen.dart';
import 'example_screen.dart';
final Map routes = {
SplashScreen.routeName: (context) => SplashScreen(),
HomeScreen.routeName: (context) => HomeScreen(),
ExampleScreen.routeName: (context) => ExampleScreen(),
};
size_config.dart

import 'package:flutter/widgets.dart';

class SizeConfig {
static MediaQueryData _mediaQueryData;
static double screenWidth;
static double screenHeight;
static double defaultSize;
static Orientation orientation;

void init(BuildContext context) {

_mediaQueryData = MediaQuery.of(context);
screenWidth = _mediaQueryData.size.width;
screenHeight = _mediaQueryData.size.height;
orientation = _mediaQueryData.orientation;
}
}

// Get the proportionate height as per screen size

double getProportionateScreenHeight(double inputHeight) {
double screenHeight = SizeConfig.screenHeight;
// 812 is the layout height that designer use
return (inputHeight / 812.0) * screenHeight;
}

// Get the proportionate height as per screen size

double getProportionateScreenWidth(double inputWidth) {
double screenWidth = SizeConfig.screenWidth;
// 375 is the layout width that designer use
return (inputWidth / 375.0) * screenWidth;
}