//本地webview写法
 　　　　webview = (WebView) findViewById(R.id.webview);
        webview.loadUrl("http://192.168.1.103/index.html");
        webview.getSettings().setJavaScriptEnabled(true); //允许js脚本运行
        webview.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
        webview.getSettings().setBuiltInZoomControls(true);
        webview.getSettings().setJavaScriptEnabled(true);
        webview.addJavascriptInterface(new JsToJava(mContext),"mObject");//添加映射对象到js

body>
    <a>js中调用本地方法</a>
    <script>
    
    function funFromjs(){
        document.getElementById("helloweb").innerHTML="HelloWebView,i‘m from js";
    }
    var aTag = document.getElementsByTagName(‘a‘)[0];
    aTag.addEventListener(‘click‘, function(){
        //调用android本地方法
        myObj.fun1FromAndroid("调用android本地方法fun1FromAndroid(String name)！！");
        return false;
    }, false);
    </script>
    <p></p>
    <div id="helloweb"> 

    </div>
</body>
</html>

public class JavaScriptObject {
    Context mContxt;

    public JavaScriptObject(Context mContxt) {
        this.mContxt = mContxt;
    }

    public void fun1FromAndroid(String name) {
        Toast.makeText(mContxt, name, Toast.LENGTH_LONG).show();
    }

    public void fun2(String name) {
        Toast.makeText(mContxt, "调用fun2:" + name, Toast.LENGTH_SHORT).show();
    }
}