android - Getting the Foreground Activity of any application in a Service written in other application -

what want need reference current activity of application on foreground.

basically have written service , want reference "current" foreground activity in service. "current" mean application activity other 1 has started service.

what want need reference current activity of application on foreground.

that not possible. other applications running in other processes; not have access java objects, such activity instances, in processes.