Create Apps for Android and iOS using Flutter

Overview :

Flutter is a multi-platform, open source, and free framework for creating mobile applications, introduced by Google. If you have got Android SDK installed and configured, to install Flutter then the job is done. You can use IntelliJ IDEA or Android Studio to create new applications using Flutter. Here we shall discuss generating build in android and ios using flutter.

Features of Flutter :

Supports cross-platform implementations with same UI
Modern and reactive framework.
Simple and easy Dart programming language
Fast development with beautiful and fluid user interfaces .
Modern and reactive framework.
Huge widget catalog with high performance .

Advantages of Flutter :

A single code base that serves both the iOS and Android platforms
More future extensions are available to support any platform
Advanced level features are supported

Prerequisites :

Android studio and SDK
Install flutter SDK for your operating system. click here to install

Generate APK For Android in Flutter

Go to your Flutter project path in Terminal.
Enter the following cmd to clear the Build cache.

flutter clean

After flutter clean, enter the flutter pub get to install your dependencies

flutter pub get

Run your project before generating build by using this command

flutter run

When the project has completed running successfully, now it’s time to generate build (APK)
Here is a single cmd that does the big work of generating APK in a flutter.

flutter build apk – – release

To generate debug Apk use this cmd.

flutter build apk – – debug

After running this command, the .apk file is generated in your project folder at the below path.

project folder -> build ->  app -> outputs -> apk -> release (or) debug -> .apk file

In this step we upload .apk in diawi for sharing the apk and to get an Apk link. click here

Now the android apk can be downloaded from the diawi link following the above easy steps

Generate IPA For iOS in Flutter

Before generating Ipa confirm that the below configuration setup has been done.

Register your app on App Store Connect.
Register a Bundle ID.
Create an App Store Connect application record.
Review Xcode project settings

Go to your Flutter project path in Terminal.

Enter the below cmd to clear the Build cache.

flutter clean

After flutter clean enter the flutter pub get to install your dependencies.

flutter pub get

Go to the project folder -> ios -> remove (Podfile.lock and Pods(folder).

In Terminal use the below commands to install pod (pod install, pod update). After this, go to project folder -> ios -> open (.workspace) file. Check (Automatically signing, Selecting any iPhone device).

pod install
pod update

Check File -> workspace settings -> build system (Legacy build)

Run the project (Product -> Run) after the build is completed successfully.
Select the device as “Generic IOS Devices”.
Select Product -> Archive.
Select Distribute APP -> Development -> App Thinning (All compatible device variants)