How to know when iOS device is plugged in?

Question

Is there a way to know when my device (iPhone) is plugged in to source power, like a computer or car audio systems with a USB port? I use localization services in my app and

Answer 1

You can enable battery monitoring thru the UIDevice class and check the battery state to see if it is being charged:

typedef enum {
    UIDeviceBatteryStateUnknown,
    UIDeviceBatteryStateUnplugged,
    UIDeviceBatteryStateCharging,
    UIDeviceBatteryStateFull,
} UIDeviceBatteryState;

You'll want to check for Charging or Full before enabling best GPS accuracy.