Image Animation not working

I want to animated image after 0.7 sec but they not working they do not show image on my View.

NSMutableArray *images = [[NSMutableArray alloc] init];
[images addObject:[UIImage imageNamed:@"L1.png"]];
[images addObject:[UIImage imageNamed:@"L2.png"]];
[images addObject:[UIImage imageNamed:@"L3.png"]];
[images addObject:[UIImage imageNamed:@"L4.png"]];
[images addObject:[UIImage imageNamed:@"L5.png"]];
[images addObject:[UIImage imageNamed:@"L6.png"]];
[images addObject:[UIImage imageNamed:@"L7.png"]];
[images addObject:[UIImage imageNamed:@"L8.png"]];
[images addObject:[UIImage imageNamed:@"L9.png"]];
[images addObject:[UIImage imageNamed:@"L10.png"]];
[images addObject:[UIImage imageNamed:@"L11.png"]];
[images addObject:[UIImage imageNamed:@"L12.png"]];
self.imagsd.animationImages=images;
self.imagsd.animationDuration=0.7;

via Chebli Mohamed