Gyroscope
#import <CoreMotion/CoreMotion.h>
self.motionManager = [[CMMotionManager alloc] init];
//Gyroscope
if([self.motionManager isGyroAvailable])
{
/* Start the gyroscope if it is not active already */
if([self.motionManager isGyroActive] == NO)
{
/* Update us 2 times a second */
[self.motionManager setGyroUpdateInterval:1.0f / 2.0f];
/* And on a handler block object */
/* Receive the gyroscope data on this block */
[self.motionManager startGyroUpdatesToQueue:[NSOperationQueue mainQueue]
withHandler:^(CMGyroData *gyroData, NSError *error)
{
NSString *x = [[NSString alloc] initWithFormat:@"%.02f",gyroData.rotationRate.x];
self.gyro_xaxis.text = x;
NSString *y = [[NSString alloc] initWithFormat:@"%.02f",gyroData.rotationRate.y];
self.gyro_yaxis.text = y;
NSString *z = [[NSString alloc] initWithFormat:@"%.02f",gyroData.rotationRate.z];
self.gyro_zaxis.text = z;
}];
}
}
else
{
NSLog(@"Gyroscope not Available!");
}
}
http://stackoverflow.com/questions/7135934/ios-gyroscope-api
