Objec-C访问图片网页资源 frameWork

1. 添加资源图片

2. 获取图片：

[UIImage imageNamed:@"navigationbarBackgroundWhite" inBundle:_bundleImage compatibleWithTraitCollection:nil]

@interface VideoChatNavigationController (){

    NSBundle *_bundleImage;

}

@end

@implementation VideoChatNavigationController

- (void)viewDidLoad {

    [super viewDidLoad];

    _bundleImage = [NSBundle bundleForClass:[self class]];

    self.interactivePopGestureRecognizer.delegate = self;

    [self.navigationBar setBackgroundImage:[UIImage imageNamed:@"navigationbarBackgroundWhite" inBundle:_bundleImage compatibleWithTraitCollection:nil] forBarMetrics:UIBarMetricsDefault];

}