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JS_OC_WebViewJavascriptBridge[3263:316698] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Completion handler passed to -[WKWebViewJavascriptBridge webView:decidePolicyForNavigationAction:decisionHandler:] was called more than once'
#3
Open
liyuunxiangGit opened this issue
Nov 15, 2017
· 0 comments
这段代码报错:
`
(void)webView:(WKWebView *)webView
decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction
decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
if (webView != _webView) { return; }
NSURL *url = navigationAction.request.URL;
__strong typeof(_webViewDelegate) strongDelegate = _webViewDelegate;
if ([_base isCorrectProcotocolScheme:url]) {
if ([_base isBridgeLoadedURL:url]) {
[_base injectJavascriptFile];
} else if ([_base isQueueMessageURL:url]) {
[self WKFlushMessageQueue];
} else {
[_base logUnkownMessage:url];
}
decisionHandler(WKNavigationActionPolicyCancel);
}
if (strongDelegate && [strongDelegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:decisionHandler:)]) {
[_webViewDelegate webView:webView decidePolicyForNavigationAction:navigationAction decisionHandler:decisionHandler];
} else {
decisionHandler(WKNavigationActionPolicyAllow);
}
}
`
可以修改为:
`- (void)webView:(WKWebView *)webView
decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction
decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
if (webView != _webView) { return; }
NSURL *url = navigationAction.request.URL;
__strong typeof(_webViewDelegate) strongDelegate = _webViewDelegate;
}`
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