how to turn display off when unplug the charger

[amer saeed]

Dear Friends

i want to mount my cell permannet in car and will plug charger with car charger..
i need the app when i start the car display become on and when turn off the car display become off


please help me

i want to install sygic ..and convert my phone permanantly into GPS device..

please helpppp

i have LG phobe which is useless in my country,,,,

 

[XIIOIV]

What is the phone model & version of android?
It's a little hard to help without these variables.

But under
(developer options)
there is usually a
(stay awake while charging) option.

 

[amer saeed]

bro it is lg ms 910
os 2.3.4

yes in devolper option we can do that.. but i want to cygic will on permanently .. when i plug in charger (turn on the car) screen display become on and when i turn off car the display again wnt off

 

[amer saeed]

huje community and not a reply ????

strange