我在一个应用程序上工作,一些代码继承自另一个开发人员,具有加载html文件的web视图。
html文件中有电话号码和web链接。如果长时间按下,电话号码将会打开,但html链接不会打开。
我更喜欢他们打开与一个短的点击,但没有任何反应。如果我长按,那么系统对话框弹出一个“打开”选项,但按“打开”什么也不做。
这是我刚才的代码:
#import "IntroductionViewController.h"
@interface IntroductionViewController () <WKNavigationDelegate, WKUIDelegate>
@end
@implementation IntroductionViewController
@synthesize html_file_name;
@synthesize web_view;
@synthesize spinner;
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBarHidden = NO;
[self setTitle:_title_string];
[self.web_view bringSubviewToFront:spinner];
[spinner setHidden:NO];
[spinner startAnimating];
NSURL *url = [[NSBundle mainBundle] URLForResource:html_file_name withExtension:@"html"];
[self.web_view loadRequest:[NSURLRequest requestWithURL:url]];
self.web_view.navigationDelegate = self;
self.web_view.UIDelegate = self;
}
- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error {
[spinner setHidden:YES];
[spinner stopAnimating];
}
- (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation {
[spinner setHidden:YES];
[spinner stopAnimating];
}
- (BOOL)webView:(WKWebView *)webView shouldStartLoadWithRequest (NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
NSLog(@"called here");
if (navigationType == UIWebViewNavigationTypeLinkClicked ) {
UIApplication *application = [UIApplication sharedApplication];
[application openURL:[request URL] options:@{} completionHandler:nil];
return YES;
}
return YES;
}
@end
永远不会调用"shouldStartLoadWithRequest“。
发布于 2019-01-25 23:02:39
我删除了代码中的"shouldStartLoadWithRequest“部分,并添加了以下部分,从而实现了这一点:
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(nonnull WKNavigationAction *)navigationAction decisionHandler:(nonnull void (^)(WKNavigationActionPolicy))decisionHandler {
if (navigationAction.navigationType == WKNavigationTypeLinkActivated) {
if (navigationAction.request.URL) {
NSLog(@"%@", navigationAction.request.URL.host);
if (![navigationAction.request.URL.resourceSpecifier containsString:@"ex path"]) {
if ([[UIApplication sharedApplication] canOpenURL:navigationAction.request.URL]) {
UIApplication *application = [UIApplication sharedApplication];
[application openURL:navigationAction.request.URL options:@{} completionHandler:nil];
decisionHandler(WKNavigationActionPolicyCancel);
}
} else {
decisionHandler(WKNavigationActionPolicyAllow);
}
}
} else {
decisionHandler(WKNavigationActionPolicyAllow);
}
}
现在,所有的链接都会像预期的那样打开,在一个单独的(新的) web链接窗口中,只需点击一下即可。
发布于 2020-03-02 17:03:46
使用以下代码在短点击上打开长点击事件...
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: ((WKNavigationActionPolicy) -> Void)) {
switch navigationAction.navigationType {
case .linkActivated:
UIApplication.shared.open(navigationAction.request.url!)
decisionHandler(.cancel)
return
default:
break
}
decisionHandler(.allow)
}
https://stackoverflow.com/questions/54335967
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