batterylevel - Battery Usage - IOS -

i want show battery usage of app on status bar of app. uses gps, gps signal , details of battery usage app useful users battery drain.

is there way battery usage device? , show amount of battery drained my app alone. on instruments shows graph on time.

i want show battery usage in numerical format, not graph.

use below code battery level

uidevice *mydevice = [uidevice currentdevice]; [mydevice setbatterymonitoringenabled:yes]; float batterylevel = [mydevice batterylevel]; _battery.text = [nsstring stringwithformat:@"%f",batterylevel*100]; [mydevice batterylevel]; 

will give battery between 0.0 (empty) , 1.0 (100% charged)

ios - issue displaying battery status