I found this tutorial for installing Android Studio on Linux: https://linuxhint.com/install_android_studio_ubuntu/
It says:
In this step, you will need to add the official Android repository to the source list of your system. To do this, enter the following command in the terminal window:
$ sudo add-apt-repository ppa:maarten-fonville/android-studio
It declares maarten-fonville/android-studio as the "official Android repository".
I couldn't find references to this PPA from Google's official documentation. It's also not mentioned in the Android Studio download page: https://developer.android.com/studio .
I found this page: https://launchpad.net/~maarten-fonville , and looking at the description and content, I saw no indication that it belonged to or was affiliated with Google or JetBrains.
I have no reason to believe that there is anything wrong with that PPA; in fact, I even used it successfully in a VM. But I am reluctant to use non-official repositories on my main machine, for security reasons.
How can I verify that this PPA is indeed "official" and approved (and/or monitored?) by either Google or JetBrains?