wesleyduff

//Java
webview.getSettings().setJavaScriptEnabled(true);
webview.loadUrl("<your html file>"); //not in scope of this gist
webview.setWebViewClient(new WebViewClient(){
    public void onPageFinished(WebView view, String url){   
        //Here you want to use .loadUrl again 
        //on the webview object and pass in 
        //"javascript:<your javaScript function"
        webview.loadUrl("javascript:myJavaScriptFunc('" + argumentPassingIn + "')"); //if passing in an object. Mapping may need to take place
    }