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Editorial Team
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Asked: 2026-06-12T14:36:10+00:00

I have a html file that looks like this <html> <head> This is a

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I have a html file that looks like this

<html>
<head>
     This is a test
    <script>
    function testingConsole() {
    console.log("Reached end of Body");
    }
    </script>


</head>

<body>
    <script type="text/javascript">testingConsole();</script>
</body>
</html>

And my code looks like this

protected void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.chart);

    webView = (WebView) findViewById(R.id.wvChart);
    webView.loadUrl("file:///android_asset/Chart/chart.html");
    WebSettings webSettings = webView.getSettings();
    webSettings.setJavaScriptEnabled(true);
    webView.setWebChromeClient(new WebChromeClient());

    webView.loadUrl("javascript:testingConsole();");
}

The html file is loading fine and the text “This is a test” is displayed in my WebView. And the script testingConsole(); is execuded by itself as it should be since html file is calling it. But when I call it from my code I get an error “Uncaught ReferenceError: testingConsole is not defined at null:1”

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1 Answer

  1. Editorial Team

    The loadUrl(String) method does not execute synchronously; the WebView does work on other threads to load the page and parse and execute any JavaScript in it.

    You should create an implementation/subclass of WebViewClient that overrides onPageFinished(WebView, String) and listen for the webview to complete the load of “chart.html”. Then you can call the second loadUrl with your JavaScript in it, and I bet it will work. I haven’t tested this, so let me know if it does.

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