iOS开发 解决WKWebView加载的H5,无法调用拨打电话功能

H5的拨打电话代码是

移动WEB页面JS一键拨打号码咨询功能 

UIWebView加载的H5,可以调用;但是WKWebView就是不行,找了半天,最后解决,在WKWebView的WKNavigationDelegate代理方法处理,代码如下:

// 处理拨打电话以及Url跳转等等  
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {  
    NSURL *URL = navigationAction.request.URL;  
    NSString *scheme = [URL scheme];  
    if ([scheme isEqualToString:@"tel"]) {  
        NSString *resourceSpecifier = [URL resourceSpecifier];  
        NSString *callPhone = [NSString stringWithFormat:@"telprompt://%@", resourceSpecifier];  
        /// 防止iOS 10及其之后,拨打电话系统弹出框延迟出现  
        dispatch_async(dispatch_get_global_queue(0, 0), ^{  
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:callPhone]];  
        });  
    }  
    decisionHandler(WKNavigationActionPolicyAllow);  
} 

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