获取启动页用图

- (UIImage *)launchImage {

UIImage    *lauchImage  = nil;

NSString    *viewOrientation = nil;

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

UIInterfaceOrientation orientation  = [[UIApplication sharedApplication] statusBarOrientation];

if (orientation == UIInterfaceOrientationLandscapeLeft || orientation == UIInterfaceOrientationLandscapeRight) {

viewOrientation = @"Landscape";

} else {

viewOrientation = @"Portrait";

}

NSArray *imagesDictionary = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"UILaunchImages"];

for (NSDictionary *dict in imagesDictionary) {

CGSize imageSize = CGSizeFromString(dict[@"UILaunchImageSize"]);

if (CGSizeEqualToSize(imageSize, viewSize) && [viewOrientation isEqualToString:dict[@"UILaunchImageOrientation"]]) {

lauchImage = [UIImage imageNamed:dict[@"UILaunchImageName"]];

}

}

return lauchImage;

}