获取launchimage

-(UIImage *)getTheLaunchImage{

    CGSize viewSize = [UIScreen mainScreen].bounds.size;

    NSString *viewOrientation = nil;

    if (([[UIApplication sharedApplication] statusBarOrientation] == UIInterfaceOrientationPortraitUpsideDown) || ([[UIApplication sharedApplication] statusBarOrientation] == UIInterfaceOrientationPortrait)) {

        viewOrientation = @"Portrait";

    } else {

        viewOrientation = @"Landscape";

   }

 NSString *launchImage = 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"]])

        {

            launchImage = dict[@"UILaunchImageName"];

        }

    }

    return [UIImage imageNamed:launchImage];

}