NSArray *packageRequirements = @[
    @{@"name": @"package1", @"versionRange": @">1.0.0"}
];

self.seaport = [[Seaport alloc] initWithAppName:@"TestApp"
                                         secret:@"secret"
                                  serverAddress:@"https://:8080"
                            packageRequirements:packageRequirements];

[seaport checkUpdate];

NSString *rootPath = [seaport packagePath:@"index"];
if (rootPath) {
    NSString *filePath = [rootPath stringByAppendingPathComponent:@"index.html"];
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL fileURLWithPath:filePath]];
    [self.webView loadRequest:request];
}

seaport.delegate = self;

- (void)seaport:(Seaport *)seaport didStartDownloadPackage:(NSString *)packageName version:(NSString *)version;

- (void)seaport:(Seaport *)seaport didFinishDownloadPackage:(NSString *)packageName version:(NSString *)version;

- (void)seaport:(Seaport *)seaport didFailDownloadPackage:(NSString *)packageName version:(NSString *)version withError:(NSError *)error;

- (void)seaport:(Seaport *)seaport didFinishUpdatePackage:(NSString *)packageName version:(NSString *)version;