我正在尝试将Facebook API集成到我的iOS应用中,但我收到以下错误:
WebKit丢弃了一个未被捕获的异常 web视图:decidePolicyForNavigationAction:请求:帧:decisionListener: 代表:应用程序试图呈现 模态地是一个主动控制器。
如何解决此错误?
这是我的代码:
[_webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"about:blank"]]];
NSString *redirectUrlString = @"http://www.facebook.com/connect/login_success.html";
NSString *authFormatString = @"https://graph.facebook.com/oauth/authorize?client_id=%@&redirect_uri=%@&scope=%@&type=user_agent&display=touch";
NSString *urlString = [NSString stringWithFormat:authFormatString, _apiKey, redirectUrlString, _requestedPermissions];
NSURL *url = [NSURL URLWithString:urlString];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
[_webView loadRequest:request];
为了检查登录凭证,我在函数logincheck
if ([urlString rangeOfString:@"login.php"].location != NSNotFound)
{
[_delegate displayRequired];
}