#define KYRect [UIScreen mainScreen].bounds//獲取啟動圖片 CGSize viewSize = KYRect.size; //橫屏請設置成 @"Landscape" NSString *viewOrientation = @"Portrait"; NSString *launchImageName = nil; NSArray* imagesDict = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"]; for (NSDictionary* dict in imagesDict) {  CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]);  if (CGSizeEqualToSize(imageSize, viewSize) && [viewOrientation isEqualToString:dict[@"UILaunchImageOrientation"]])  {   launchImageName = dict[@"UILaunchImageName"];  } } UIImage * launchImage = [UIImage imageNamed:launchImageName];//將當前view的背景圖設置為啟動圖片 self.view.backgroundColor = [UIColor colorWithPatternImage:launchImage];