收听WebView的javascript调用 [英] Listen to javascript calls of a WebView

问题描述

我有以下HTML

<div>
    <input type="submit" onClick="anyJSFunction('Test')">
</div>

然后在像这样的WebView上打开它:

And I open it on a WebView like:

        web = new WebView(this);

        WebSettings settings = web.getSettings();
        settings.setJavaScriptEnabled(true);
        settings.setJavaScriptCanOpenWindowsAutomatically(true);
        settings.setSupportMultipleWindows(false);
        settings.setSupportZoom(false);
        settings.setPluginsEnabled(true);
        settings.setDomStorageEnabled(true);

        web.setVerticalScrollBarEnabled(false);
        web.setHorizontalScrollBarEnabled(false);

        web.loadUrl("file:///sdcard/test.html");

现在，我想在调用"anyJSFunction"时侦听Java，并且还能够获取它的参数.

Now I want to listen on Java when 'anyJSFunction' is called and also be able to get it arguments.

怎么办?

推荐答案

WebView .查找将JavaScript代码绑定到Android代码."

There's a decent example in the documentation for WebView. Look for "Binding JavaScript code to Android code."

您将构建一个类作为从JavaScript到Java/Android的接口.您创建一个实例并将其传递给WebView.然后，JavaScript代码可以按名称引用类实例.

You'll build a class as an interface from JavaScript to Java/Android. You create an instance and pass it to the WebView. Then the JavaScript code can reference the class instance by name.

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