Say less nonsense, directly on the code:
var Barsanim = Uiimageview (frame:self.view.frame);
Barsanim . animationimages = Nsarray () as [anyobject];
barsanim. animationimages ?. Append (UIImage(named:"wave_000")!);
barsanim. animationimages ?. Append (UIImage(named:"wave_001")!);
barsanim. animationimages ?. Append (UIImage(named:"wave_002")!);
barsanim. animationimages ?. Append (UIImage(named:"wave_003")!);
barsanim. animationimages ?. Append (UIImage(named:"wave_004")!);
barsanim. animationimages ?. Append (UIImage(named:"wave_005")!);
barsanim. animationduration = 2 ;
barsanim. Animationrepeatcount = 0 ;
barsanim. startanimating ();
self. View . Addsubview (barsanim);
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Swift development Tutorial--How to play a picture animation