Unity On Android Studio

Working on Unity Project on Android Studio

Export Unity Project with below options

Export file location as <Unity Project>\Export\

Unity Studio

Create Android Interaction

Back button to exit app

Create new C# script and attach to Main Camera or GameObject. This will exit from Android app on back button press

void Update()
  if (Application.platform == RuntimePlatform.Android)
   if (Input.GetKeyDown(KeyCode.Escape))
      //AndroidJavaObject activity = new AndroidJavaClass("com.unity3d.player.UnityPlayer").GetStatic<AndroidJavaObject>("currentActivity");
      //activity.Call<bool>("moveTaskToBack", true);


Android Studio

1. Import Unity Project as Module

Import Unity exported package as Modules in Android Studio

  • Create a new Android Project
  • Import Unity exported android project as module
File -> New -> Import Module -> <Unity Project>\Export\MyUnityModule
  • Add dependency to the main project
File -> Project Settings -> app -> Dependencies tab -> + -> Module Dependencies -> select imported module "MyUnityModule"

This will give below line in apps build.gradle (Module: app)
compile project(‘:MyUnityModule’)

Avoid creating multiple Icons on Device (AndroidManifest.xml)

Comment below lines in imported module AndroidManifest.xml for avoid creating multiple launcher icons on device.

    <action android:name="android.intent.action.MAIN" />
    <category android:name="android.intent.category.LAUNCHER" />
    <category android:name="android.intent.category.LEANBACK_LAUNCHER" />

Separate Unity from Android Process (AndroidManifest.xml)

Seperating Unity activity as process to avoid quitting the entire application on Unity Quit “Application.Quit()”


Convert Module as library (build.gradle)

Make imported module as library to avoid creating apk files conflicting main apk.

File: build.gradle (module: MyUnityModule)

Change application to library as below

apply plugin: 'com.android.library'

comment applicationId line

//applicationId 'com.spicedroid.unity.MyUnityModule'


 Correct Gradle Version (build.gradle)

Installed gradle versions can be found in the below path

C:\Program Files\Android\Android Studio\gradle\m2repository\com\android\tools\build\gradle

Copy gradle version from project gradle file build.gradle(Project:MyProject) to module gradle build.gradle (module: MyUnityModule)
Make sure it matches like below lines

dependencies { classpath 'com.android.tools.build:gradle:2.3.3' }

2. Add Additional plugin AAR dependencies

Importing AAR library for any module dependencies

Check if any module dependencies mentioned in modules build.gradle (module: MyUnityModule) file like below then import that aar file like above similar approach

compile(name: 'MyUnityPlugin', ext:'aar')

Unity Plugins AAR can be found under  below path

<Unity Project>\Assets\Plugins\Android\MyUnityPlugin.aar

Now add Plugin Module “MyUnityPlugin” like below

File -> New -> New Module -> Select "Import .Jar/AAR package" -> <Unity Project>\Assets\Plugins\Android\MyUnityPlugin.aar


Then provide aar module as dependency to imported module “MyUnityModule”

File -> Project Settings -> MyUnityModule -> Dependencies tab -> + -> Module Dependencies -> select imported module "MyUnityPlugin"

This will add below line in build.gradle (Module:MyUnityModule). Comment existing compile line
// compile(name: ‘MyUnityPlugin’, ext:’aar’)
compile project(‘:MyUnityPlugin’)

Resolve Icon Conflicts (AndroidManifest.xml)

In app AndroidManifest.xml, add tools:replace to resolve icon and theme conflicts

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

Build And Run

Now finally do a clean build and run project

Build Project

Build -> Clean Project

Run on Device

Shift + F10

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