inject javascript file in every webpage loaded in android's webview

Question

Is it possible to inject a javascript file (located in the asset folder) to be included every time a page is loaded in android webview.

Android version: ICS 4.0.3

EMODE · Accepted Answer · 2014-02-28 07:03:52Z

0

Yes, you can do this:

webview.getSettings().setJavaScriptEnabled(true);
webview.loadUrl("javascript:(alert())");

answered Feb 28, 2014 at 7:03

EMODE

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5 Comments

immagonnagetya Over a year ago

Thanks EMODE but this does not answer my question.

EMODE Over a year ago

You can read the JS and load it as html webView.loadDataWithBaseURL("file:///android_asset/", htmlStr, "text/html", "UTF-8", null); Answer is here: stackoverflow.com/questions/6533207/…

immagonnagetya Over a year ago

Do you know exactly what this means? "Read the html into a string (htmlStr)"

EMODE Over a year ago

Loads the given data into this WebView, using baseUrl as the base URL for the content. stackoverflow.com/questions/9414312/…

EMODE Over a year ago

Answer 2 has enough detail to get you going

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