CABasicAnimation movement

gistfile1.m

//Create a CABasicAnimation object  
CABasicAnimation *move = [CABasicAnimation animationWithKeyPath:@"transform.translation.y" ];  
[move setFromValue:[NSNumber numberWithFloat:0.0f]];  
[move setToValue:[NSNumber numberWithFloat:100.0f]];  
[move setDuration:0.3f];  
//Add animation to a specific element's layer. Must be called after the element is displayed.  
[[element layer] addAnimation:move forKey:@"transform.translation.y"];