Two simple way to detect the shake of iPhone, 1. Using UIAccelerometer. 2. Using Motion Events. Using UIAccelerometer Check this Link. Using Motion Events In your UIViewController add the following methods. - (void)motionBegan:(UIEventSubtype)... [More]

#define kAccelerationThreshold 2.2     //Somewhere in initialization UIAccelerometer *accel = [UIAccelerometer sharedAccelerometer]; accel.delegate = self; accel.updateInterval = 1.0f/10.0f;     //Method to detect Shake... [More]