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Getting the user agent
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| // UIWebView | |
| { | |
| UIWebView *webView = [[UIWebView alloc] init]; | |
| [webView loadHTMLString:@"<html></html>" baseURL:nil]; | |
| NSString *appName = [webView stringByEvaluatingJavaScriptFromString:@"navigator.appName"]; | |
| NSLog(@"%@", appName); | |
| // Netscape | |
| NSString *userAgent = [webView stringByEvaluatingJavaScriptFromString:@"navigator.userAgent"]; | |
| NSLog(@"%@", userAgent); | |
| // iOS 8.3 | |
| // Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12F70 | |
| // iOS 9.0 | |
| // Mozilla/5.0 (iPhone; CPU iPhone OS 9_0 like Mac OS X) AppleWebKit/601.1.32 (KHTML, like Gecko) Mobile/13A4254v | |
| } |
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| // WKWebView | |
| { | |
| WKWebView *webView = [[WKWebView alloc] initWithFrame:self.view.bounds]; | |
| [webView loadHTMLString:@"<html></html>" baseURL:nil]; | |
| [webView evaluateJavaScript:@"navigator.appName" completionHandler:^(id __nullable appName, NSError * __nullable error) { | |
| NSLog(@"%@", appName); | |
| // Netscape | |
| }]; | |
| [webView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id __nullable userAgent, NSError * __nullable error) { | |
| NSLog(@"%@", userAgent); | |
| // iOS 8.3 | |
| // Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12F70 | |
| // iOS 9.0 | |
| // Mozilla/5.0 (iPhone; CPU iPhone OS 9_0 like Mac OS X) AppleWebKit/601.1.32 (KHTML, like Gecko) Mobile/13A4254v | |
| }]; | |
| // needs retain because `evaluateJavaScript:` is asynchronous | |
| self.webView = webView; | |
| } |
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