iOS--获取Assets.xcassets中的icon图片

    CGSize viewSize = self.window.bounds.size;
    NSString *launchImage = nil;
    
    
    NSDictionary *infoPlist = [[NSBundle mainBundle] infoDictionary];
    NSString *icon = [[infoPlist valueForKeyPath:@"CFBundleIcons.CFBundlePrimaryIcon.CFBundleIconFiles"]lastObject];
    
    NSLog(@"uuuuuuuu = %@", icon);
    
    CGSize imageSize = CGSizeFromString(icon);
    if (CGSizeEqualToSize(imageSize, viewSize))
    {
        launchImage = icon;
      
    }
    
    UIImageView *launchView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:icon]];
    launchView.frame = self.window.bounds;
    //    launchView.contentMode = UIViewContentModeScaleAspectFill;
    [self.window addSubview:launchView];
    
    [UIView animateWithDuration:2.0f
                          delay:0.0f
                        options:UIViewAnimationOptionBeginFromCurrentState
                     animations:^{
                         
                         launchView.alpha = 0.0f;
                         launchView.layer.transform = CATransform3DScale(CATransform3DIdentity, 1.2, 1.2, 1);
                         
                         NSLog(@"1111111111111");
                         
                     }
                     completion:^(BOOL finished) {
                         
                         NSLog(@"2222222222222");
                         [launchView removeFromSuperview];
                         
                         
                     }];