The Auto Lock feature when enabled will automatically sign out of the app after a period of inactivity.
The default timeout period is 30 minutes.
To set the Auto Lock timeout first scroll the menu and tap the Settings button.
Tap the Auto Lock button in the Security section.
Tap the number of minutes of inactivity before the app will sign out.
Choose Never to disable the auto lock.
For example, we can reduce the timeout to 15 minutes as shown below.