# Get your Build file

*Skill Level: Expert*

## Before You Begin

* Should be very comfortable using Adalo 

{% hint style="danger" %}
**IMPORTANT:** Before publishing, check that no text component in your app has a **font size** of **0**. A zero font size will cause your Android app to crash on launch. Review all screens and components, including those nested inside lists, and update any zero values to **1** or higher.
{% endhint %}

## Walkthrough

1. In Adalo, in the left toolbar, click on the Publish tab.

   <div align="left"><figure><img src="/files/fwwIamUwYZBxYpU7TOPv" alt="" width="116"><figcaption></figcaption></figure></div>

2. Select 'Android App' and 'Start new Android Build'

   <div align="left"><img src="/files/ezGcPJqAxqEaH9a2kno4" alt="" width="316"></div>

3. In the modal that pops up, enter your Android Credentials.

   <div align="left"><figure><img src="/files/WnmMETxqWhDqGfGpyUam" alt="" width="317"><figcaption></figcaption></figure></div>

   * Enter your Package Name from the Firebase Project. These are case sensitive so ensure they match the one in the Firebase Project exactly.
   * Upload the Frontend google-services.json file you downloaded from your Firebase account.
   * Upload the Service Account Key file you downloaded from your Firebase account.
   * Click Next.

4. Enter your Android App Settings.

   <div align="left"><img src="/files/-M2KKD88DgoIx2OkjQGa" alt="" width="375"></div>

   * Customize the Display Name for your App.
   * Upload a Notifications Icon for your App.
     * ***This is required, even if your app does not yet use push notifications.***
     * *Make sure your icon is 96 x 96 pixels and is blank with a transparent background.*
   * Click Save and Continue. <img src="/files/IqPqnV7i7K0rDb3YeckA" alt="" data-size="line">

5. Select Version Number and Start Build.

   <div align="left"><figure><img src="/files/CGchQD5VO4iOw2nEnwgX" alt="" width="312"><figcaption></figcaption></figure></div>

6. While the app is building, you will see a timer showing the estimated remaining time.

   <div align="left" data-full-width="false"><figure><img src="/files/gsh9tp5mRnoWHNXVVyEE" alt="" width="169"><figcaption></figcaption></figure></div>

7. Once the build has completed, you will see the download icon. <img src="/files/LdNrcmZTBxTwzKUeuwmE" alt="" data-size="line"> Download the Android App Bundle for your app which is **.AAB** format.

{% hint style="danger" %}
**Important:** If this is the first time you are creating an Adalo build with this Package Name, we will create the necessary Upload Certificate. If you are using a Package Name that has already been published with Adalo, we will use the original Upload Certificate.
{% endhint %}

### Next Steps

* If you are creating a **new** listing in Google Play follow the steps in [this guide](/publishing-apps/publishing-to-the-google-play-store/create-new-google-play-listing.md).&#x20;
* If you are updating an **existing** listing in Google Play, follow the steps in[ this guide](/publishing-apps/upload-your-app-to-google-and-create-your-store-listing.md).

## Need Help?

If you need additional help publishing your Google App, you can always ask in our [community forum](https://forum.adalo.com/)! Be sure to paste the link to this article in your post as well!

For more detailed information, check out the [Google Help Docs | Create and Set up your app](https://support.google.com/googleplay/android-developer/answer/9859152?hl=en\&ref_topic=7072031\&sjid=15460987125494480347-NA).


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