我在WebView中添加一个JavaScript函数,如下所示(Kotlin):
val webView = findViewById(R.id.webview) as WebView
webView.getSettings().setJavaScriptEnabled(true)
webView.addJavascriptInterface(this, "android")
webView.getSettings().setBuiltInZoomControls(false)
webView.loadUrl(url)
webView.webViewClient = object : WebViewClient() {
override fun onPageFinished(view: WebView, url: String) {
super.onPageFinished(view, url)
webView.loadUrl("javascript:(function captchaResponse (token){" +
" android.reCaptchaCallbackInAndroid(token);" +
" })()")
}
}
该函数运行良好,但问题是,当我将其添加到WebView中时,它会立即运行。我只想把它作为一个JavaScript函数包含进来,而且它应该只在用户填充reCAPTCHA时从超文本标记语言中调用。我该怎么做呢?
发布于 2018-08-03 09:43:29
尝试像这样注入脚本,
function addCode(code){
var addedScript= document.createElement('script');
addedScript.text= code;
document.body.appendChild(addedScript);}
现在调用如下函数,
val codeToExec = "function captchaResponse (token){" +
"android.reCaptchaCallbackInAndroid(token);" +
"}";
现在exec loadurl就像
webview.loadUrl("javascript:(function addCode(code){
var addedScript= document.createElement('script');
addedScript.text= code;
document.body.appendChild(addedScript);})(codeToExec));
https://stackoverflow.com/questions/51570906
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