A chat application for Android claiming to be a secure messaging platform comes with spying functionality and stores user data in an unsecure location that is publicly available.

If you followed along in Part 2, you’ve already loaded your source code and resource files into your Android Studio project. Now you’re ready to build the app for the first time.

Android Studio, the integrated development environment (IDE) for Android app developers, is getting an AI upgrade, Google announced at its developer conference, Google I/O 2025.