如何快速加載startAnimating/activityImageView？

Question

我的應用程序第一視圖控制器正在加載下面的代碼是不喜歡activityImageView以及，你猜對了，它很慢！這可能是因爲我正在加載304.jpg來創建gif和/或動畫哈哈。有什麼方法可以快速加載嗎？我發現當我將jpgs降低到10 - 50 jpgs時，它的負載就像一顆子彈。任何幫助將不勝感激！

_Loading.animationImages = [NSArray arrayWithObjects: 
          [UIImage imageNamed:@"Signal1.jpg"], 
          [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"], 
          [UIImage imageNamed:@"Signal12.jpg"], 
          [UIImage imageNamed:@"Signal13.jpg"], 
          [UIImage imageNamed:@"Signal14.jpg"], 
          [UIImage imageNamed:@"Signal15.jpg"], 
          [UIImage imageNamed:@"Signal16.jpg"], 
          [UIImage imageNamed:@"Signal17.jpg"], 
          [UIImage imageNamed:@"Signal18.jpg"], 
          [UIImage imageNamed:@"Signal19.jpg"], 
          [UIImage imageNamed:@"Signal20.jpg"], 
          [UIImage imageNamed:@"Signal21.jpg"], 
          [UIImage imageNamed:@"Signal22.jpg"], 
          [UIImage imageNamed:@"Signal23.jpg"], 
          [UIImage imageNamed:@"Signal24.jpg"], 
          [UIImage imageNamed:@"Signal25.jpg"], 
          [UIImage imageNamed:@"Signal26.jpg"], 
          [UIImage imageNamed:@"Signal27.jpg"], 
          [UIImage imageNamed:@"Signal28.jpg"], 
          [UIImage imageNamed:@"Signal29.jpg"], 
          [UIImage imageNamed:@"Signal30.jpg"], 
          [UIImage imageNamed:@"Signal31.jpg"], 
          [UIImage imageNamed:@"Signal32.jpg"], 
          [UIImage imageNamed:@"Signal33.jpg"], 
          [UIImage imageNamed:@"Signal34.jpg"], 
          [UIImage imageNamed:@"Signal35.jpg"], 
          [UIImage imageNamed:@"Signal36.jpg"], 
          [UIImage imageNamed:@"Signal37.jpg"], 
          [UIImage imageNamed:@"Signal38.jpg"], 
          [UIImage imageNamed:@"Signal39.jpg"], 
          [UIImage imageNamed:@"Signal40.jpg"], 
          [UIImage imageNamed:@"Signal41.jpg"], 
          [UIImage imageNamed:@"Signal42.jpg"], 
          [UIImage imageNamed:@"Signal43.jpg"], 
          [UIImage imageNamed:@"Signal44.jpg"], 
          [UIImage imageNamed:@"Signal45.jpg"], 
          [UIImage imageNamed:@"Signal46.jpg"], 
          [UIImage imageNamed:@"Signal47.jpg"], 
          [UIImage imageNamed:@"Signal48.jpg"], 
          [UIImage imageNamed:@"Signal49.jpg"], 
          [UIImage imageNamed:@"Signal50.jpg"], 
          [UIImage imageNamed:@"Signal51.jpg"], 
          [UIImage imageNamed:@"Signal52.jpg"], 
          [UIImage imageNamed:@"Signal53.jpg"], 
          [UIImage imageNamed:@"Signal54.jpg"], 
          [UIImage imageNamed:@"Signal55.jpg"], 
          [UIImage imageNamed:@"Signal56.jpg"], 
          [UIImage imageNamed:@"Signal57.jpg"], 
          [UIImage imageNamed:@"Signal58.jpg"], 
          [UIImage imageNamed:@"Signal59.jpg"], 
          [UIImage imageNamed:@"Signal60.jpg"], 
          [UIImage imageNamed:@"Signal61.jpg"], 
          [UIImage imageNamed:@"Signal62.jpg"], 
          [UIImage imageNamed:@"Signal63.jpg"], 
          [UIImage imageNamed:@"Signal64.jpg"], 
          [UIImage imageNamed:@"Signal65.jpg"], 
          [UIImage imageNamed:@"Signal66.jpg"], 
          [UIImage imageNamed:@"Signal67.jpg"], 
          [UIImage imageNamed:@"Signal68.jpg"], 
          [UIImage imageNamed:@"Signal69.jpg"], 
          [UIImage imageNamed:@"Signal70.jpg"], 
          [UIImage imageNamed:@"Signal71.jpg"], 
          [UIImage imageNamed:@"Signal72.jpg"], 
          [UIImage imageNamed:@"Signal73.jpg"], 
          [UIImage imageNamed:@"Signal74.jpg"], 
          [UIImage imageNamed:@"Signal75.jpg"], 
          [UIImage imageNamed:@"Signal76.jpg"], 
          [UIImage imageNamed:@"Signal77.jpg"], 
          [UIImage imageNamed:@"Signal78.jpg"], 
          [UIImage imageNamed:@"Signal79.jpg"], 
          [UIImage imageNamed:@"Signal80.jpg"], 
          [UIImage imageNamed:@"Signal81.jpg"], 
          [UIImage imageNamed:@"Signal82.jpg"], 
          [UIImage imageNamed:@"Signal83.jpg"], 
          [UIImage imageNamed:@"Signal84.jpg"], 
          [UIImage imageNamed:@"Signal85.jpg"], 
          [UIImage imageNamed:@"Signal86.jpg"], 
          [UIImage imageNamed:@"Signal87.jpg"], 
          [UIImage imageNamed:@"Signal88.jpg"], 
          [UIImage imageNamed:@"Signal89.jpg"], 
          [UIImage imageNamed:@"Signal90.jpg"], 
          [UIImage imageNamed:@"Signal91.jpg"], 
          [UIImage imageNamed:@"Signal92.jpg"], 
          [UIImage imageNamed:@"Signal93.jpg"], 
          [UIImage imageNamed:@"Signal94.jpg"], 
          [UIImage imageNamed:@"Signal95.jpg"], 
          [UIImage imageNamed:@"Signal96.jpg"], 
          [UIImage imageNamed:@"Signal97.jpg"], 
          [UIImage imageNamed:@"Signal98.jpg"], 
          [UIImage imageNamed:@"Signal99.jpg"], 
          [UIImage imageNamed:@"Signal100.jpg"], 
          [UIImage imageNamed:@"Signal102.jpg"], 
          [UIImage imageNamed:@"Signal103.jpg"], 
          [UIImage imageNamed:@"Signal104.jpg"], 
          [UIImage imageNamed:@"Signal105.jpg"], 
          [UIImage imageNamed:@"Signal106.jpg"], 
          [UIImage imageNamed:@"Signal107.jpg"], 
          [UIImage imageNamed:@"Signal108.jpg"], 
          [UIImage imageNamed:@"Signal109.jpg"], 
          [UIImage imageNamed:@"Signal110.jpg"], 
          [UIImage imageNamed:@"Signal111.jpg"], 
          [UIImage imageNamed:@"Signal112.jpg"], 
          [UIImage imageNamed:@"Signal113.jpg"], 
          [UIImage imageNamed:@"Signal114.jpg"], 
          [UIImage imageNamed:@"Signal115.jpg"], 
          [UIImage imageNamed:@"Signal116.jpg"], 
          [UIImage imageNamed:@"Signal117.jpg"], 
          [UIImage imageNamed:@"Signal118.jpg"], 
          [UIImage imageNamed:@"Signal119.jpg"], 
          [UIImage imageNamed:@"Signal120.jpg"], 
          [UIImage imageNamed:@"Signal121.jpg"], 
          [UIImage imageNamed:@"Signal122.jpg"], 
          [UIImage imageNamed:@"Signal123.jpg"], 
          [UIImage imageNamed:@"Signal124.jpg"], 
          [UIImage imageNamed:@"Signal125.jpg"], 
          [UIImage imageNamed:@"Signal126.jpg"], 
          [UIImage imageNamed:@"Signal127.jpg"], 
          [UIImage imageNamed:@"Signal128.jpg"], 
          [UIImage imageNamed:@"Signal129.jpg"], 
          [UIImage imageNamed:@"Signal130.jpg"], 
          [UIImage imageNamed:@"Signal131.jpg"], 
          [UIImage imageNamed:@"Signal132.jpg"], 
          [UIImage imageNamed:@"Signal133.jpg"], 
          [UIImage imageNamed:@"Signal134.jpg"], 
          [UIImage imageNamed:@"Signal135.jpg"], 
          [UIImage imageNamed:@"Signal136.jpg"], 
          [UIImage imageNamed:@"Signal137.jpg"], 
          [UIImage imageNamed:@"Signal138.jpg"], 
          [UIImage imageNamed:@"Signal139.jpg"], 
          [UIImage imageNamed:@"Signal140.jpg"], 
          [UIImage imageNamed:@"Signal141.jpg"], 
          [UIImage imageNamed:@"Signal142.jpg"], 
          [UIImage imageNamed:@"Signal143.jpg"], 
          [UIImage imageNamed:@"Signal144.jpg"], 
          [UIImage imageNamed:@"Signal145.jpg"], 
          [UIImage imageNamed:@"Signal146.jpg"], 
          [UIImage imageNamed:@"Signal147.jpg"], 
          [UIImage imageNamed:@"Signal148.jpg"], 
          [UIImage imageNamed:@"Signal149.jpg"], 
          [UIImage imageNamed:@"Signal150.jpg"], 
          [UIImage imageNamed:@"Signal151.jpg"], 
          [UIImage imageNamed:@"Signal152.jpg"], 
          [UIImage imageNamed:@"Signal153.jpg"], 
          [UIImage imageNamed:@"Signal154.jpg"], 
          [UIImage imageNamed:@"Signal155.jpg"], 
          [UIImage imageNamed:@"Signal156.jpg"], 
          [UIImage imageNamed:@"Signal157.jpg"], 
          [UIImage imageNamed:@"Signal158.jpg"], 
          [UIImage imageNamed:@"Signal159.jpg"], 
          [UIImage imageNamed:@"Signal160.jpg"], 
          [UIImage imageNamed:@"Signal161.jpg"], 
          [UIImage imageNamed:@"Signal162.jpg"], 
          [UIImage imageNamed:@"Signal163.jpg"], 
          [UIImage imageNamed:@"Signal164.jpg"], 
          [UIImage imageNamed:@"Signal165.jpg"], 
          [UIImage imageNamed:@"Signal166.jpg"], 
          [UIImage imageNamed:@"Signal167.jpg"], 
          [UIImage imageNamed:@"Signal168.jpg"], 
          [UIImage imageNamed:@"Signal169.jpg"], 
          [UIImage imageNamed:@"Signal170.jpg"], 
          [UIImage imageNamed:@"Signal171.jpg"], 
          [UIImage imageNamed:@"Signal172.jpg"], 
          [UIImage imageNamed:@"Signal173.jpg"], 
          [UIImage imageNamed:@"Signal174.jpg"], 
          [UIImage imageNamed:@"Signal175.jpg"], 
          [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"], 
          [UIImage imageNamed:@"Signal183.jpg"], 
          [UIImage imageNamed:@"Signal184.jpg"], 
          [UIImage imageNamed:@"Signal185.jpg"], 
          [UIImage imageNamed:@"Signal186.jpg"], 
          [UIImage imageNamed:@"Signal187.jpg"], 
          [UIImage imageNamed:@"Signal188.jpg"], 
          [UIImage imageNamed:@"Signal189.jpg"], 
          [UIImage imageNamed:@"Signal190.jpg"], 
          [UIImage imageNamed:@"Signal191.jpg"], 
          [UIImage imageNamed:@"Signal192.jpg"], 
          [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"], 
          [UIImage imageNamed:@"Signal208.jpg"], 
          [UIImage imageNamed:@"Signal209.jpg"], 
          [UIImage imageNamed:@"Signal210.jpg"], 
          [UIImage imageNamed:@"Signal211.jpg"], 
          [UIImage imageNamed:@"Signal212.jpg"], 
          [UIImage imageNamed:@"Signal213.jpg"], 
          [UIImage imageNamed:@"Signal214.jpg"], 
          [UIImage imageNamed:@"Signal215.jpg"], 
          [UIImage imageNamed:@"Signal216.jpg"], 
          [UIImage imageNamed:@"Signal217.jpg"], 
          [UIImage imageNamed:@"Signal218.jpg"], 
          [UIImage imageNamed:@"Signal219.jpg"], 
          [UIImage imageNamed:@"Signal220.jpg"], 
          [UIImage imageNamed:@"Signal221.jpg"], 
          [UIImage imageNamed:@"Signal222.jpg"], 
          [UIImage imageNamed:@"Signal223.jpg"], 
          [UIImage imageNamed:@"Signal224.jpg"], 
          [UIImage imageNamed:@"Signal225.jpg"], 
          [UIImage imageNamed:@"Signal226.jpg"], 
          [UIImage imageNamed:@"Signal227.jpg"], 
          [UIImage imageNamed:@"Signal228.jpg"], 
          [UIImage imageNamed:@"Signal229.jpg"], 
          [UIImage imageNamed:@"Signal230.jpg"], 
          [UIImage imageNamed:@"Signal231.jpg"], 
          [UIImage imageNamed:@"Signal232.jpg"], 
          [UIImage imageNamed:@"Signal233.jpg"], 
          [UIImage imageNamed:@"Signal234.jpg"], 
          [UIImage imageNamed:@"Signal235.jpg"], 
          [UIImage imageNamed:@"Signal236.jpg"], 
          [UIImage imageNamed:@"Signal237.jpg"], 
          [UIImage imageNamed:@"Signal238.jpg"], 
          [UIImage imageNamed:@"Signal239.jpg"], 
          [UIImage imageNamed:@"Signal240.jpg"], 
          [UIImage imageNamed:@"Signal241.jpg"], 
          [UIImage imageNamed:@"Signal242.jpg"], 
          [UIImage imageNamed:@"Signal243.jpg"], 
          [UIImage imageNamed:@"Signal244.jpg"], 
          [UIImage imageNamed:@"Signal245.jpg"], 
          [UIImage imageNamed:@"Signal246.jpg"], 
          [UIImage imageNamed:@"Signal247.jpg"], 
          [UIImage imageNamed:@"Signal248.jpg"], 
          [UIImage imageNamed:@"Signal249.jpg"], 
          [UIImage imageNamed:@"Signal250.jpg"], 
          [UIImage imageNamed:@"Signal251.jpg"], 
          [UIImage imageNamed:@"Signal252.jpg"], 
          [UIImage imageNamed:@"Signal253.jpg"], 
          [UIImage imageNamed:@"Signal254.jpg"], 
          [UIImage imageNamed:@"Signal255.jpg"], 
          [UIImage imageNamed:@"Signal256.jpg"], 
          [UIImage imageNamed:@"Signal257.jpg"], 
          [UIImage imageNamed:@"Signal258.jpg"], 
          [UIImage imageNamed:@"Signal259.jpg"], 
          [UIImage imageNamed:@"Signal260.jpg"], 
          [UIImage imageNamed:@"Signal261.jpg"], 
          [UIImage imageNamed:@"Signal262.jpg"], 
          [UIImage imageNamed:@"Signal263.jpg"], 
          [UIImage imageNamed:@"Signal264.jpg"], 
          [UIImage imageNamed:@"Signal265.jpg"], 
          [UIImage imageNamed:@"Signal266.jpg"], 
          [UIImage imageNamed:@"Signal267.jpg"], 
          [UIImage imageNamed:@"Signal268.jpg"], 
          [UIImage imageNamed:@"Signal269.jpg"], 
          [UIImage imageNamed:@"Signal270.jpg"], 
          [UIImage imageNamed:@"Signal271.jpg"], 
          [UIImage imageNamed:@"Signal272.jpg"], 
          [UIImage imageNamed:@"Signal273.jpg"], 
          [UIImage imageNamed:@"Signal274.jpg"], 
          [UIImage imageNamed:@"Signal275.jpg"], 
          [UIImage imageNamed:@"Signal276.jpg"], 
          [UIImage imageNamed:@"Signal277.jpg"], 
          [UIImage imageNamed:@"Signal278.jpg"], 
          [UIImage imageNamed:@"Signal279.jpg"], 
          [UIImage imageNamed:@"Signal280.jpg"], 
          [UIImage imageNamed:@"Signal281.jpg"], 
          [UIImage imageNamed:@"Signal282.jpg"], 
          [UIImage imageNamed:@"Signal283.jpg"], 
          [UIImage imageNamed:@"Signal284.jpg"], 
          [UIImage imageNamed:@"Signal285.jpg"], 
          [UIImage imageNamed:@"Signal286.jpg"], 
          [UIImage imageNamed:@"Signal287.jpg"], 
          [UIImage imageNamed:@"Signal288.jpg"], 
          [UIImage imageNamed:@"Signal289.jpg"], 
          [UIImage imageNamed:@"Signal290.jpg"], 
          [UIImage imageNamed:@"Signal291.jpg"], 
          [UIImage imageNamed:@"Signal292.jpg"], 
          [UIImage imageNamed:@"Signal293.jpg"], 
          [UIImage imageNamed:@"Signal294.jpg"], 
          [UIImage imageNamed:@"Signal295.jpg"], 
          [UIImage imageNamed:@"Signal296.jpg"], 
          [UIImage imageNamed:@"Signal297.jpg"], 
          [UIImage imageNamed:@"Signal298.jpg"], 
          [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

您可以使用格式爲* .gif的圖像進行處理。

您可以下載格式爲* .gif的圖像並將其顯示在您的ViewController上。