Device based keys:
Blackberry: Blackberry key
Sony Ericsson - Walkman button, Message button- acts as an interrupt upon pressing while testing an application
Nokia - PTT(Push To Talk) and Navigator(Map) keys - acts as an interrupt upon pressi…"
I am also want to go with Ashish's point, Check the same issue with native applications as well as install free apps having too many characters and verify it with your app. This is not an issue, this is device specific feature don't get co…"
Idle Time - When application is running and device is in idle, locked or sleep mode (not switched off, if it is switched off it can't be measurable )
Active Time -When application is running with/without user input, or the application is…"
When you are going to test Active Time follow the below steps.
Start Device -> Go to Options from Menu -> Device ->Device status and information ->View the Battery percentage.
Then hold it in idle mode without any running app for 2-3 hrs…"