Flutter Responsive Builder Kit

responsive_builder_kit
Usage
1. Add library to your pubspec.yaml
latest version: 
dependencies:
responsive_builder_kit: ^latest_version
2. Import library in dart file
import 'package:responsive_builder_kit/responsive_builder_kit.dart';
MaterialApp(
debugShowCheckedModeBanner: false,
title: 'Flutter Demo',
theme: ThemeData(
colorScheme: .fromSeed(seedColor: Colors.deepPurple),
),
home: ResponsiveScreenBuilder.builder(
desktop: (BuildContext context) => HomePage(title: "Responsive Layout Builder"),
tablet: (BuildContext context) => Container(color:Colors.yellow),
mobile: (BuildContext context) => OrientationLayoutBuilder(
portrait: (context) => Container(color:Colors.blue),
landscape: (context) => Container(color:Colors.black),
),
watch: (BuildContext context) => Container(color:Colors.purple),
)
);
MaterialApp(
debugShowCheckedModeBanner: false,
title: 'Flutter Demo',
theme: ThemeData(
colorScheme: .fromSeed(seedColor: Colors.deepPurple),
),
home: ResponsiveScreenBuilder.builder(
breakpoints: ScreenBreakpoints(desktop: 900, tablet: 650, mobile: 650, watch: 250),
desktop: (BuildContext context) => HomePage(title: "Responsive Layout Builder"),
tablet: (BuildContext context) => Container(color:Colors.yellow),
mobile: (BuildContext context) => OrientationLayoutBuilder(
portrait: (context) => Container(color:Colors.blue),
landscape: (context) => Container(color:Colors.black),
),
watch: (BuildContext context) => Container(color:Colors.purple),
)
);
4. Conditional statements:
if(ResponsiveLayoutHelper.isDesktop(context)) {
print("Desktop mode");
} else if(ResponsiveLayoutHelper.isTablet(context)) {
print("Tablet mode");
} else if(ResponsiveLayoutHelper.isMobile(context)) {
print("Mobile mode");
} else if(ResponsiveLayoutHelper.isWatch(context)) {
print("Watch mode");
}
if(Responsive.isExtraLargeScreen(context)) {
print("Extra large screen mode");
} else if(Responsive.isDesktop(context)) {
print("Desktop screen mode");
} else if(Responsive.isTablet(context)) {
print("Tablet screen mode");
} else if(Responsive.isLargeMobile(context)) {
print("Large mobile screen mode");
} else if(Responsive.isMobile(context)) {
print("Mobile screen mode");
} else if(Responsive.isWatch(context)) {
print("Watch screen mode");
}
if(ResponsiveLayoutHelper.isDesktop(context, maxWidth: 900)) {
print("Desktop mode");
} else if(ResponsiveLayoutHelper.isTablet(context, minWidth: 650, maxWidth: 900)) {
print("Tablet mode");
} else if(ResponsiveLayoutHelper.isMobile(context, minWidth: 250, maxWidth: 650)) {
print("Mobile mode");
} else if(ResponsiveLayoutHelper.isWatch(context, maxWidth: 250)) {
print("Watch mode");
}
if(Responsive.isExtraLargeScreen(context, minWidth: 3840)) {
print("Extra large screen mode");
} else if(Responsive.isDesktop(context, minWidth: 900)) {
print("Desktop screen mode");
} else if(Responsive.isTablet(context, maxWidth: 900)) {
print("Tablet screen mode");
} else if(Responsive.isLargeMobile(context, maxWidth: 650)) {
print("Large mobile screen mode");
} else if(Responsive.isMobile(context, maxWidth: 500)) {
print("Mobile screen mode");
} else if(Responsive.isWatch(context, maxWidth: 250)) {
print("Watch screen mode");
}
Publish in Pub Dev
flutter pub publish --dry-run
flutter pub publish