# Demo quickstart (/en/realtime-media/flexible-classroom/quickstart/android)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

Compelling content like animated presentations with embedded media helps actively engage students for longer in online classrooms. Agora Flexible Classroom helps you personalize distance learning using interactive video, shared whiteboards and other collaboration tools. With Flexible Classroom, you can quickly deploy effective online tutoring software that is customized with the features and branding your organization needs.

This page shows you how to quickly set up and launch a Flexible Classroom.

## Understand the tech [#understand-the-tech]

This section explains the workflow you implement to join a Flexible Classroom.

![Flexible Classroom join workflow](https://web-cdn.agora.io/docs-files/1623309158910)

When an app client requests to join a Flexible Classroom, the app client and your app server interact with the Agora server in the following steps:

1. Your app client sends a request to your app server for a Signaling token.
2. Your app server generates a Signaling token using the Agora [App ID](./build/manage-agora-account.mdx), [App Certificate](./build/manage-agora-account.mdx), and a user ID. For details, see [Generate a Signaling token](./build/set-up-your-account-and-authentication/authentication-workflow.mdx).
3. Your app client calls an API with the following parameters to join a Flexible Classroom:
   * *The user ID*: A unique string identifying a user, generated by your security system. This ID must be the same as the user ID you use for generating the Signaling token.
   * *The room ID*: A string for identifying a classroom. When the first user joins a Flexible Classroom, Agora automatically creates a classroom with the room ID.
   * *The Signaling token*: A credential for verifying the identity of the user when they join a Flexible Classroom.

## Prerequisites [#prerequisites]

In order to follow this procedure you must have:

* An Agora [account](./build/manage-agora-account.mdx) and [project](./build/manage-agora-account.mdx).
* A computer with Internet access. Ensure that no firewall is blocking your network communication.
* [Enabled Flexible Classroom](./build/set-up-your-account-and-authentication/enable-flexible-classroom) in Agora Console.

      
    ## Android [#android]

    * Installed [Git](https://git-scm.com/downloads)
    * Installed the [Java Development Kit](https://www.oracle.com/java/technologies/javase-downloads.html)
    * Installed Android Studio 4.1 or above
    * An Android device (not a simulator)

    ## Project setup [#project-setup]

    To set up your Flexible Classroom project:

    1. Clone the repository locally:

       ```bash
       git clone https://github.com/AgoraIO-Community/CloudClass-Android.git
       ```

    2. Update to the supported version of Flexible Classroom:

       ```bash
       cd CloudClass-Android
       git checkout release/2.8.11
       ```

    ## Implement a flexible classroom [#implement-a-flexible-classroom]

    Follow these steps to configure and launch your Flexible Classroom from the downloaded source code:

    1. **Import the CloudClass-Android project in Android Studio**

       In Android Studio, navigate to the **File > New > Import Project...** menu option and select the folder named `CloudClass-Android` in the browse window.

       ![Import the CloudClass Android project in Android Studio](https://web-cdn.agora.io/docs-files/1648635239823)

    2. **Sync the Android project**

       Android Studio automatically performs a gradle sync to downloads the dependencies.

    3. **Update the parameters**

       Copy your *App ID* and *App Certificate* from Agora Console and replace the values of *agora\_app\_id* and *agora\_app\_cert* in `CloudClass-Android\app\src\main\res\values\string_config.xml`.

    ## Test your implementation [#test-your-implementation]

    1. Connect a physical Android device to your development device.

    2. In Android Studio, click **Run app**. A moment later, the project is installed on your device.

    3. In the login screen, enter the **Room**, your **Name**, the class **Type**, your **Role** and your current **Region**, then click **Enter**.

       ![Flexible Classroom login screen](https://assets-docs.agora.io/images/flexible-classroom/login-screen.png)

       You are logged in to Flexible Classroom and presented with the following UI:

       ![Flexible Classroom UI after joining as teacher](https://web-cdn.agora.io/docs-files/1648635720196)

    4. Install Flexible Classroom on a second Android device. Login with the same credentials but set  **Role** to `Student`.

    5. The teacher and student can now interact and communicate using Flexible Classroom.

    
  
      
  
      
  
      
  
## References [#references]

To ensure communication security in a test or production environment, use a token server to generate tokens. See [Secure authentication with tokens](./build/set-up-your-account-and-authentication/authentication-workflow.mdx).