startAnimating/activityImageViewの読み込みを迅速に行うにはどうすればよいですか？

Question

私のアプリの最初のビューコントローラは、activityImageViewのようなソートのコードをロードしています。あなたはそれを推測しました、それは遅いです！私は304.jpgを読み込んでGIFやアニメーションを作成している可能性があります。これをすばやく読み込む方法はありますか？私はjpgを約10 - 50 jpgに落とすと、弾丸のような負荷を感じる。どんな助けでも大歓迎です！

_Loading.animationImages = [NSArray arrayWithObjects: 
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          [UIImage imageNamed:@"Signal2.jpg"], 
          [UIImage imageNamed:@"Signal3.jpg"], 
          [UIImage imageNamed:@"Signal4.jpg"], 
          [UIImage imageNamed:@"Signal5.jpg"], 
          [UIImage imageNamed:@"Signal6.jpg"], 
          [UIImage imageNamed:@"Signal7.jpg"], 
          [UIImage imageNamed:@"Signal8.jpg"], 
          [UIImage imageNamed:@"Signal9.jpg"], 
          [UIImage imageNamed:@"Signal10.jpg"], 
          [UIImage imageNamed:@"Signal11.jpg"], 
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          [UIImage imageNamed:@"Signal13.jpg"], 
          [UIImage imageNamed:@"Signal14.jpg"], 
          [UIImage imageNamed:@"Signal15.jpg"], 
          [UIImage imageNamed:@"Signal16.jpg"], 
          [UIImage imageNamed:@"Signal17.jpg"], 
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          [UIImage imageNamed:@"Signal21.jpg"], 
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          [UIImage imageNamed:@"Signal23.jpg"], 
          [UIImage imageNamed:@"Signal24.jpg"], 
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          [UIImage imageNamed:@"Signal32.jpg"], 
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          [UIImage imageNamed:@"Signal164.jpg"], 
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          [UIImage imageNamed:@"Signal176.jpg"], 
          [UIImage imageNamed:@"Signal177.jpg"], 
          [UIImage imageNamed:@"Signal178.jpg"], 
          [UIImage imageNamed:@"Signal179.jpg"], 
          [UIImage imageNamed:@"Signal180.jpg"], 
          [UIImage imageNamed:@"Signal181.jpg"], 
          [UIImage imageNamed:@"Signal182.jpg"], 
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          [UIImage imageNamed:@"Signal184.jpg"], 
          [UIImage imageNamed:@"Signal185.jpg"], 
          [UIImage imageNamed:@"Signal186.jpg"], 
          [UIImage imageNamed:@"Signal187.jpg"], 
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          [UIImage imageNamed:@"Signal193.jpg"], 
          [UIImage imageNamed:@"Signal194.jpg"], 
          [UIImage imageNamed:@"Signal195.jpg"], 
          [UIImage imageNamed:@"Signal196.jpg"], 
          [UIImage imageNamed:@"Signal197.jpg"], 
          [UIImage imageNamed:@"Signal198.jpg"], 
          [UIImage imageNamed:@"Signal199.jpg"], 
          [UIImage imageNamed:@"Signal200.jpg"], 
          [UIImage imageNamed:@"Signal201.jpg"], 
          [UIImage imageNamed:@"Signal202.jpg"], 
          [UIImage imageNamed:@"Signal203.jpg"], 
          [UIImage imageNamed:@"Signal204.jpg"], 
          [UIImage imageNamed:@"Signal205.jpg"], 
          [UIImage imageNamed:@"Signal206.jpg"], 
          [UIImage imageNamed:@"Signal207.jpg"], 
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          [UIImage imageNamed:@"Signal211.jpg"], 
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          [UIImage imageNamed:@"Signal213.jpg"], 
          [UIImage imageNamed:@"Signal214.jpg"], 
          [UIImage imageNamed:@"Signal215.jpg"], 
          [UIImage imageNamed:@"Signal216.jpg"], 
          [UIImage imageNamed:@"Signal217.jpg"], 
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          [UIImage imageNamed:@"Signal219.jpg"], 
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          [UIImage imageNamed:@"Signal223.jpg"], 
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          [UIImage imageNamed:@"Signal237.jpg"], 
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          [UIImage imageNamed:@"Signal240.jpg"], 
          [UIImage imageNamed:@"Signal241.jpg"], 
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          [UIImage imageNamed:@"Signal255.jpg"], 
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          [UIImage imageNamed:@"Signal257.jpg"], 
          [UIImage imageNamed:@"Signal258.jpg"], 
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          [UIImage imageNamed:@"Signal293.jpg"], 
          [UIImage imageNamed:@"Signal294.jpg"], 
          [UIImage imageNamed:@"Signal295.jpg"], 
          [UIImage imageNamed:@"Signal296.jpg"], 
          [UIImage imageNamed:@"Signal297.jpg"], 
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          [UIImage imageNamed:@"Signal299.jpg"], 
          [UIImage imageNamed:@"Signal300.jpg"], 
          [UIImage imageNamed:@"Signal301.jpg"], 
          [UIImage imageNamed:@"Signal302.jpg"], 
          [UIImage imageNamed:@"Signal303.jpg"], 
          [UIImage imageNamed:@"Signal304.jpg"],nil]; 


[_Loading startAnimating]; 

Answer 1

フォーマットは* .gifのイメージを使用して処理できます。

* .gifという形式の画像をダウンロードして、ViewControllerに表示することができます。