UIWebView javascript interface

Question

In Android I can add javascript interface and retrieve a parameters from a WebView in a such way: For example I have javascript:

function showAndroidToast(toast) {
  Android.showToast(toast);
}

And adding this interface I can retrieve parameters:

webView.addJavascriptInterface(new WebAppInterface(this), "Android");

 @JavascriptInterface
 public void showToast(String toast) {
     Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
 }

Is there any equivalent in iOS. I have a button that calls javascript. I need to get parameters on button click.

akhalsa · Accepted Answer · 2013-05-07 12:37:23Z

1

I think this may help you:

http://blog.grio.com/2012/07/uiwebview-javascript-to-objective-c-communication.html

Also check this thread out: http://blog.grio.com/2012/07/uiwebview-javascript-to-objective-c-communication.html

answered May 7, 2013 at 12:37

akhalsa

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3 Comments

inc Over a year ago

Didn't help me. Javascript cannot be changed. But I've solved this issue in other way. In shouldStartLoadingWithRequest we can check if navigationType is FormSubmitted and get request.HTTPBody (where all parameters are stored)

lifemoveson Over a year ago

inc could you elaborate more on how you did it ?

harshit2811 Over a year ago

INC please help me to understand your solution in more detail. I am facing exact the same challenge while porting Android app to iOS app.

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