Device check
Four quick tests for this device. Tap a button, then read the line under it. Nothing leaves this device: the results stay on this screen.
Share a PDF
Gives a sample PDF to the share sheet. You can close the sheet again.
Open a PDF in a new view
Opens the sample PDF in a new view. If it covers this page, close the app and open it again.
Not tried yet.
Key kept after restart
Saves a test key on this device (not your real key). Close the app completely, open it again, come back here and tap the button again. It should say the key is still here.
Not tried yet.
Works offline
Shows if the offline helper of this app (the service worker) is working. To test it for real: turn on airplane mode, close the app, open it again.
Not tried yet.