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I wrote new example similar to WebView Demo and registered my Java object with addJavascriptInterface() to webview. and in Java script I am able to call java methods.

Later, I modified android browser code and tried to add Object to javascript,in a same way. but object members are not accessible in javascript and I get runtime error like

"Uncaught TypeError: Object com.android.browser.BrowserActivity$MyJavaScriptInterface@43bf7eb8 has no method 'launchPlayer' "

Where as launchPlayer method is available in MyJavaScriptInterface class.

Can anybody tell me what is the difference in Browser app, which stops exporting methods to Javascript.

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  • Make sure your inner class and the method are both public. Commented Aug 26, 2010 at 11:44
  • Make sure you set your android target SDK version to maximum 15 (or lower). Commented Sep 12, 2013 at 8:37
  • See stackoverflow.com/questions/14031635/… , for >= 4.2.1 add @JavascriptInterface to method Commented Oct 24, 2013 at 17:08
  • 1
    Are you sure parameters are same? Commented Dec 15, 2014 at 6:41
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