webview:"找不到网页" or "page not found"

解决办法:

实现WebViewClient下面的方法:

@SuppressWarnings("deprecation")@Overridepublic void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {    // Handle the error}@TargetApi(android.os.Build.VERSION_CODES.M)@Overridepublic void onReceivedError(WebView view, WebResourceRequest req, WebResourceError rerr) {    // Redirect to deprecated method, so you can use it in all SDK versions    onReceivedError(view, rerr.getErrorCode(), rerr.getDescription().toString(), req.getUrl().toString());}

参考

https://stackoverflow.com/questions/4997677/android-webview-onreceivederror/4997988#4997988

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https://stackoverflow.com/questions/32769505/webviewclient-onreceivederror-deprecated-new-version-does-not-detect-all-errors/32813234#32813234