Simple UIView ANimation with blocks - iOS

gistfile1.txt

[UIView animateWithDuration: 0.9  delay: 0 options: UIViewAnimationOptionCurveEaseInOut animations: ^(void)animations{
  CGPoint newCenter = CGPointMake(self.greenView.center.x + 180, self.greenView.center.y + 260);
  [self.greenView setCenter: newCenter];
}completion:^(BOOL finished){
  //this code is called after the aminations have completed
}];