How to Merge a Flutter Project in Native Android Project

Flutter provides a comprehensive platform to develop feature-rich mobile application for Android and iOS platforms. By availing Flutter development services, organizations can build mobile applications from scratch or integrate Flutter modules in the existing native projects. After integration, we can develop the remaining part of the application in Flutter and this remaining part will automatically reflect in existing native projects.

Steps to Integrate Flutter project in native Android project
1 Open Android Studio


2 Select Start a new Android Project



3 Select Empty Activity & Press Next



4 Set the Project name, location, language(Java/Kotlin) & minimum API level, then press Finish



5 Now Screen look like the this

 

6 Run the Android Project by click on the run 



7 Now close android studio and start again Android Studio, this time select the New Flutter Project & Select Flutter Module 



8 Set Project Name, Flutter SDK path, Project Location

 

9 Press Next and Finish



10 Run the Flutter Project 



11 Now open native Android project(Step 1 to 6) and  right click on the project name -> New -> Module



12 Select Import Flutter Module & presss Next



13 Select the Flutter Module path & Press Finish



14 Now Project Structure look like this(Left Side)



15 Now Create a button in android activity_main.xml file and listener in MainActivity.java File 



16 We use this Button to start our Flutter Module you can change this as per your requirement
17 Add the following line in AndroidManifest.xml File 

 <activity android:name="io.flutter.embedding.android.FlutterActivity" />

18 Add the following lines in Button Listener

 startActivity(
              FlutterActivity
              .withNewEngine()
              .initialRoute("/my_route")
              .build(MainActivity.this)
                );

19 Run the Android Project and click on Open Flutter Project Button.


20 Now Flutter project successfully integrates in the native Android project.

Note: Please attach Flutter SDK to Android Studio if you want to do this. 

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