how do i call javascript function (web page) from android?

Question

i have page contains javascript function in web page...

function callFromAndroid(varName)
{
 alert("call from android activated by " + varName);
}

i want call javascript function callFromAndroid() from android...

Is this possible?

Please explain how it can be done or point me to a resource where I can find such information.

thanks

CommonsWare · Accepted Answer · 2013-04-12 23:54:21Z

2

Given a WebView named wv, call:

wv.loadUrl("javascript:callFromAndroid("+whateverYourVarValueIsAsJavaScriptLiteral+")");

The string passed to loadUrl() needs to be a javascript: scheme URL, with the literal source code you wish to invoke after the colon. This follows the same pattern as with bookmarklets.

answered Apr 12, 2013 at 23:54

CommonsWare

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4 Comments

ltvie Over a year ago

i mean,i have javascript function in internet mydomain.com/index.php..and android is the client..i want pass value from android device and send to that page..

CommonsWare Over a year ago

@ltvie: Write an Android app that uses a WebView to serve as your "client", then use the recipe I have in my answer.

ltvie Over a year ago

sorry, i understand with your answer..i new android develop..but as known a webView located in android device?not in webserver?

CommonsWare Over a year ago

@ltvie: "a webView located in android device?" -- yes. "not in webserver?" -- correct.

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