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Get Started with Flutter App Development: Your First Mobile App

Flutter App Development
We all know that Google has launched its own technology ‘Flutter’ two years back. And we all are so much surprised by its progress in the IT industry. The software companies have started executing it. We all can’t stop saying that it is going to bring a huge evolution in the application development.

Apparently, we can observe that there are huge changes going around in the Top Flutter app development company. The process of developing an app has customized. Previously there was a problem of stability in the applications when ‘Sky’(the first version of Flutter) was used. But now after the launch of a new and stable version in 2018, the development has been more modernized.

The interesting fact about Flutter is that you need not code differently for distinct environments. It means you can run a single piece of code in both interfaces, Android OS, and iOS. With such bright and powerful features like self-owned quality widgets, an integrated library, and advanced graphics and animations, Flutter is the most advanced technology.
Mobile application based companies hire flutter app developers for developing progressive UI for their apps. Do you want to be a part of Flutter development too? If yes, then don’t wait!
  • Are you excited to learn Flutter? If yes, let us begin with the fundamentals of Flutter.
  • In the upcoming content, you will see how to develop your first application using Flutter.

Begin with Fundamentals

The first discovered version of the Flutter was known as ‘Sky’. ‘Sky’ was the first to run on the Android interface. It was the first ever launched technology in 2015, which was written to execute 120 frames per second consistently in Dart Developer Summit. After the success of the first version, in 2017-18 Google announced Futter versions 1.0 calling it a first ‘stable’ Framework.

The framework architecture of Flutter includes:
  • Dart Platform
  • Flutter Engine
  • Foundation Library
  • Design-specific widgets.

Basics you need to know...
  • Programming Language used in Flutter: Dart
  • Platforms on which Flutter run: Windows, MacOS, LINUX.
  • IDE tool: IntelliJ/ Android Studio
  • Hardware Configuration required: Disk space 400MB (excluding IDE/Tools)
  • Tools: Windows PowerShell 5.0, Git for Windows 2.x

Now that you have understood the basics of Flutter technology. It is time to divert our attention towards steps to develop our Flutter app development.

STEP 1: Install the Flutter in your device

STEP 2: Install an Editor

  • It is important to install the text-editor properly with our command-line tools. For a better experience, you can use Flutter text-editor. The plug-in packages will provide better code finishing, widgets, compiler and many other services.
  • IntelliJ/Android studio has different text-editors plug-in.

STEP 3: Say Hello to start your new app

  • Now that you have completed the initial procedures. Let us start creating our first new app and experience “hot reload”. Create, run and make changes in your first ever app in Flutter.

STEP 4: “Hello World”- Run your first application

We know every developer is familiar with the object-oriented languages C and C++. Also, the basics of every coding language required loops, conditions, syntax, variables and the logic to be clear.

1. Let us follow these steps and build our ‘Flutter App’.

Create a project and name it as ‘new_flutter_app’. Edit the lib/main.dart and remove all the dart code. Make sure it should mention “Hello World” in the middle of the screen
import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
 Widget build(BuildContext context) {
   return MaterialApp(
     title: 'Welcome to Flutter',
     home: Scaffold(
       appBar: AppBar(
         title: Text('Welcome to Flutter'),
       body: Center(
         child: Text('Hello World'),

After coding, run the code and solve the errors, if any. It will run differently in Android and iOS.

2. Implement an external package such as english_words package. This package is a treasure of thousands of words with some utility functions.

Step A

{step1_base → step2_use_package}/pubspec.yaml

@@ -5,4 +5,5 @@



    sdk: flutter

  cupertino_icons: ^0.1.2

+   english_words: ^3.1.0

Step B

Add packages in the console. Click on Packages get in the Android Studios Editor View.
  • $ flutter packages get
  • Running "flutter packages get" in startup_namer...
  • Process finished with exit code 0

Step C

Don’t forget to import the new package from the library lib/main.dart of Flutter.

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

Once you have got the access to use the English words in your program, the code will allow running the strings.

3. If required you can import the graphics and animation for your application. Install the desired widgets.

For example:

lib/main.dart (RandomWordsState)
class RandomWordsState extends State<RandomWords> {
 // TODO Add build() method

4. Run your app!

Step 4: And you are successful!

Did you just build your own application? If yes! Then congratulations! on creating a new mobile app running on the devices you like.

Are you looking to make some changes in your app? If yes, then in our upcoming content you can learn about ‘Hot Reload’.

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