Can we use unity project contains multiple scenes in one android project

huuthuy02 · August 29, 2023, 8:41am

I follow the guideline here to use Unity as a Library:

Unity-Technologies/uaal-example/blob/master/docs/android.md

## Integrating Unity as a library into standard Android app
This document explains how to include Unity as a Library into standard Android application through Activity. You can read more about [Unity as a Library](https://docs.unity3d.com/2019.3/Documentation/Manual/UnityasaLibrary.html).

**Requirements:**
- Android Studio Bumblebee (2021.1.1) or later
- Unity version 2023.1.7f1, 2023.2.0b3 or later

[Note] For Unity versions from 2019.3.0b4 to 2022.2.0a17 use [19LTS-21LTS branch](https://github.com/Unity-Technologies/uaal-example/tree/uaal-example/19LTS-21LTS). For Unity versions from 2022.2.0a17 to 2023.1.0a16 use [22LTS branch](https://github.com/Unity-Technologies/uaal-example/tree/uaal-example/22LTS).

**1. Get source**
- Clone or Download GitHub repo [uaal-example](https://github.com/Unity-Technologies/uaal-example). It includes:
  <br><img src="images/android/rootFolderStructure.png">
  - Unityproject - this is a simple demo project made with Unity which will be integrated to the standard Android application
  - NativeAndroidApp - this is the Basic Activity application from Android Studio templates where Unity project will be integrated. It has a simple UI, MainUnityActivity, which extends OverrideUnityActivity, and is prepared to start MainUnityActivity with an Intent 

**2. Generate Gradle project for Android platform**
- Open UnityProject in Unity Editor
- Go to Build Settings window (Menu / File / Build Settings)
  - Select and switch to Android Platform
- Go to Player Settings window (click Player Settings button at the bottom left corner of Build Settings or use Edit / Project Settings menu and choose Player tab on the left)

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Could I use Unity project that contains multiple scenes in one android project?
For example
Unity Project has 2 scenes
+ Scene 1
+ Scene 2

Native Android project want to load each scene separately
+ Activity 1 load [Scene 1] of Unity
+ Activity 2 load [Scene 2] of Unity