用UILabel显示电池剩余百分数。
UIDevice *myDevice = [UIDevice currentDevice];
[myDevice setBatteryMonitoringEnabled:YES];
int i=[myDevice batteryState];
_battery.text = [NSString stringWithFormat:@"%i",i];
但是label显示的数字 2
用UILabel显示电池剩余百分数。
UIDevice *myDevice = [UIDevice currentDevice];
[myDevice setBatteryMonitoringEnabled:YES];
int i=[myDevice batteryState];
_battery.text = [NSString stringWithFormat:@"%i",i];
但是label显示的数字 2
[myDevice batteryLevel] 才是电池百分比...