ios-WKWebView 拨打电话

-(void)webView:(WKWebView* )webView didStartProvisionalNavigation:(WKNavigation* )navigation
{

    NSString *path= [webView.URL absoluteString];
    NSString * newPath = [path lowercaseString];

    if ([newPath hasPrefix:@"sms:"] || [newPath hasPrefix:@"tel:"]) {

        UIApplication * app = [UIApplication sharedApplication];
        if ([app canOpenURL:[NSURL URLWithString:newPath]]) {
            [app openURL:[NSURL URLWithString:newPath]];
        }
        return;
}}