NSString *htmlFile = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html" inDirectory:@""];
NSData *htmlData = [NSData dataWithContentsOfFile:htmlFile];

NSString *appUrlString = [NSString stringWithFormat:@"%@/web/", [[NSBundle mainBundle] resourcePath]];
NSURL *appUrl = [NSURL URLWithString:appUrlString];

[_appWebView loadData:htmlData MIMEType:@"text/html" textEncodingName:@"UTF-8" baseURL:appUrl];