Spinner is a development tool that lets you inspect and run queries against an app's database(s) in a convenient web interface.
Install one of the spinner build variants (e.g. ./gradlew installPlayProdSpinner
) and run the following adb command:
adb forward tcp:5000 tcp:5000
Then, navigate to localhost:5000
in your web browser.
Magic!
Spinner is just a NanoHttpd server that runs a little webapp in the background.
You initialize Spinner in Application.onCreate
with a list of databases you wish to let it run queries against.
Then, you can use the adb forward
command to route the Android device's port to a port on your local machine.
It's a riff on Flipper, a development tool we used to use. It was very useful, but also wildly unstable (at least on Linux).