Flutter UI designs are an essential component of building mobile applications using the Flutter framework. Flutter, developed by Google, is an open-source mobile application development framework that enables developers to create high-performance, cross-platform mobile applications for Android and iOS devices. It provides a rich set of customizable widgets and tools for building beautiful, responsive, and engaging user interfaces for mobile applications.
What are Flutter UI Designs?
Flutter UI designs refer to the graphical and interactive elements of a Flutter application that make up the user interface. These elements include layouts, widgets, typography, colours, and animation effects. Flutter provides a wide range of customizable UI widgets that can be used to build user interfaces that are both visually appealing and responsive. Flutter also offers a range of animation and motion graphics capabilities that can be used to add more interactivity and visual interest to the UI.
Why do we use Flutter UI Designs?
There are several benefits to using Flutter UI designs when building mobile applications. Firstly, Flutter’s widgets are highly customizable and offer a range of pre-built components that can be easily used to build complex UI designs. Secondly, Flutter’s UI designs are highly responsive, which means they can adapt to different screen sizes, resolutions, and device orientations, making them suitable for use across a wide range of mobile devices. Additionally, Flutter’s UI designs are highly performant, ensuring that mobile applications built using Flutter are fast and responsive, even on low-end devices.
What are Animations?
The difference between animation and UI features in Flutter is that animation refers to the movement and transition effects that can be applied to UI elements, while UI features refer to the design elements that make up the user interface. Animations are a powerful tool that can be used to add visual interest and enhance the user experience of an application. Flutter provides a wide range of animation and motion graphics capabilities, including explicit animations, implicit animations, and physics-based animations.
Explicit animations in Flutter involve animating a widget property from one state to another using an AnimationController object. Implicit animations, on the other hand, are automatically triggered whenever a widget property changes, making them more intuitive and easier to use. Physics-based animations, on the other hand, are a more advanced form of animation that simulates real-world physics effects, such as gravity, momentum, and friction, to create a more realistic and engaging user experience.
Features of Flutter UI Designs
UI features, on the other hand, refer to the design elements that make up the user interface of a Flutter application. These elements include layouts, widgets, typography, colors, and other design elements that are used to create a visually appealing and intuitive user interface. Some of the popular UI features in Flutter include:
- Material Design: Material Design is a set of design guidelines and components that Google has developed for building user interfaces that follow a consistent and cohesive design language across different platforms and devices. Flutter provides a range of pre-built Material Design widgets that can be used to build applications that conform to these design guidelines.
- Cupertino Design: Cupertino Design is another set of design guidelines and components that Apple has developed for building user interfaces for iOS devices. Flutter provides a range of pre-built Cupertino Design widgets that can be used to build iOS-like applications that follow these design guidelines.
- Themes and Styles: Themes and styles are used to define the visual appearance of a Flutter application, including colors, fonts, and other design elements. Themes and styles can be used to define a consistent visual style across the entire application and can be easily customized to suit the needs of the application.
- Navigation: Navigation is an important UI feature that enables users to move between different screens or pages within an application. Flutter provides a range of navigation widgets, such as the Navigator widget, that can be used to build navigation flows within an application.
Flutter UI Designs Tools
When it comes to designing Flutter UIs, there are several tools that developers can use to create visually appealing and engaging user interfaces. Some of the popular tools for designing Flutter UIs include:
- Flutter Studio: Flutter Studio is an online tool that allows developers to create and preview Flutter UI designs in a browser-based interface. The tool provides a range of pre-built widgets and layouts that can be easily customized to create unique UI designs. Additionally, Flutter Studio provides real-time feedback on the design, allowing developers to see how the UI will look and behave on different devices.
- Panache: Panache is an open-source, browser-based material theme editor for Flutter that allows you to create beautiful and highly customizable themes for your Flutter app. With this Flutter development tool, you can customize the colors of your components and widgets, and export your theme as a `theme.dart` file.
- Codemagic: Codemagic is the first Flutter focused CI/CD tool created by Nevercode. It can easily recognize your Flutter app and integrates with all your favorite tools to automate your whole build, test, release pipeline. Codemagic is also quite affordable at 500 free mac mini build minutes a month and a pay-as-you-go plan for extra minutes.
- AppsFlyer: AppsFlyer is a mobile attribution tool that helps you understand where your users are coming from and attribute app installs to specific marketing campaigns. It helps you understand how your marketing channels and campaigns are performing across devices and apps in one dashboard and integrates with more than 6000 media partners.
In addition to these tools, Flutter also provides a range of developer tools that can be used to build and debug Flutter applications. These tools include:
- Flutter Inspector: Flutter Inspector is a tool that allows developers to inspect the UI hierarchy of a Flutter application in real-time. The tool provides detailed information about the layout, widgets, and properties of each UI element, making it easier to diagnose and fix UI issues.
- DevTools: DevTools is a suite of tools that can be used to debug and profile Flutter applications. The tool provides a range of performance metrics, including CPU usage, memory usage, and frame rate, making it easier to optimize the performance of a Flutter application.
- Flutter SDK: The Flutter SDK is a set of tools and libraries that developers can use to build and deploy Flutter applications. The SDK includes a range of pre-built widgets and layouts, as well as tools for compiling and deploying applications on both Android and iOS devices.
Implementation of Flutter login page UI
This Flutter project implements a basic login page with a gradient background, two text fields for email and password, and a login button.
Here is a detailed breakdown of the code:
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
This code imports the flutter/material.dart library and creates a main function that runs the MyApp widget.
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Login Page',
theme: ThemeData(
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: LoginPage(),
);
}
}
This code defines a MyApp widget, which is a stateless widget that returns a MaterialApp. The MaterialApp widget sets the title of the app to “Login Page” and defines a ThemeData object that sets the primary swatch to blue and the visual density to adaptive. Finally, the MaterialApp widget sets the LoginPage widget as the home page of the app.
class LoginPage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Colors.purple, Colors.blue],
),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'Login',</span>
style: TextStyle(
color: Colors.white,
fontSize: 40,
fontWeight: FontWeight.bold,
),
),
SizedBox(height: 30),
Padding(
padding: EdgeInsets.symmetric(horizontal: 20),
child: TextFormField(
decoration: InputDecoration(
labelText: 'Email',
labelStyle: TextStyle(color: Colors.white),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.white),
),
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.white),
),
),
),
),
SizedBox(height: 20),
Padding(
padding: EdgeInsets.symmetric(horizontal: 20),
child: TextFormField(
obscureText: true,
decoration: InputDecoration(
labelText: 'Password',
labelStyle: TextStyle(color: Colors.white),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.white),
),
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.white),
),
),
),
),
SizedBox(height: 20),
ElevatedButton(
onPressed: () {
// perform login action here
},
child: Text('Login'),
),
],
),
),
);
}
}
This code defines the LoginPage widget, which is also a stateless widget that returns a Scaffold. The Scaffold widget provides a basic structure for the app, including an app bar and a body. The body of the Scaffold widget contains a Container widget, which has a gradient background defined by a LinearGradient. Inside the Container, there is a Column widget that contains a Text widget with the title “Login”, two TextFormField widgets for email and password input, and an ElevatedButton widget for the login button.
The TextFormField widgets have a label and border defined by InputDecoration. The label text is “Email” or “Password” and has white text color. The border color is also white. The password field has the obscureText property set to true to hide the password as it is typed. The SizedBox widgets are used for spacing between the widgets.
The ElevatedButton widget has an onPressed function that is triggered when the user taps the button. Currently, the function is empty, but you could add code here to perform the login action.
Conclusion
In conclusion, Flutter UI designs are an essential component of building high-performance, cross-platform mobile applications using the Flutter framework. Flutter provides a range of customizable widgets and tools for building beautiful, responsive, and engaging user interfaces for mobile applications. By using these tools and design guidelines, developers can create mobile applications that are visually appealing, intuitive, and highly performant, making them a popular choice among mobile app developers.
This brings us to the end of this blog on the Flutter UI designs tutorial. Hope I could clearly explain Flutter UI designs tutorial and why you should use it.
If you want to get trained in Flutter and wish to develop interesting UI’s on your own, then check out the best Flutter Course offered by Edureka, Our Flutter Course Syllabus, curated by industry experts that will help you to master all its concepts.
Got a question for us? Please mention it in the comments section and we will get back to you.