Updating an app on the Google Play store

Step 1. Export app project file (.aia) from App Inventor

• Sign into App Inventor

• Select the project you would like to download

• Click on the “Projects” tab on the top left of your screen.

• Select “Export selected project (.aia) to my computer.”

The code for the app is now downloaded to your computer. It is a file that is titled <your_app_name>.aia. Note: rename the file to rename the project.

Step 2. Export your keystore from MIT App Inventor:

• Click on the “Projects” tab on the top left of your screen

• Click “Export Keystore”

Step 3. Uploading legacy app project file (.aia) to Thunkable

• Sign into Thunkable​

• Click on the “Apps” tab on the top left of your screen

• Click “Upload legacy app project (.aia) from my computer”

• Select the project that you previously downloaded

Step 4. Import your keystore to Thunkable

• Click on the Apps tab on the top left of your screen

• Click “Import Keystore”

• Select the android.keystore file that you downloaded from MIT App Inventor

Step 5. Download app (.apk) to your computer

Package the app (.apk file) by going to the "Export" menu on the Thunkable toolbar

Select "App (save .apk to my computer)." A pop-up box (seen below) should alert you that your download has begun. Note: The other option (provide QR code for .apk) produces a scannable QR code that will download the app for two hours. You can share this code with others, but they have to use it within 2 hours of your generating it.

You can also download the apk directly from your apps home page by clicking on the download arrow next to any app project.

Step 6. Publish your app to the Google Play Store

You can now go to Google Play Publishing Home and follow the steps to publish your app to Google Play. Make sure to edit your app version number.

For more details, you may want to start with Introduction to Publishing on Google Play and Google Support on Uploading to Google Play.

Importing an unpublished app project

Step 1. Export app project file (.aia) from App Inventor

• Sign into App Inventor

• Select the project you would like to download

• Click on the “Projects” tab on the top left of your screen.

• Select “Export selected project (.aia) to my computer.”

The code for the app is now downloaded to your computer. It is a file that is titled <your_app_name>.aia. Note: rename the file to rename the project.

Step 2. Upload app project file (.aia) to Thunkable

• Sign into Thunkable​

• Click on the “Apps” tab on the top left of your screen

• Click “Upload app project (.aia) from my computer”

• Select the project that you previously downloaded