what event listener to add to radio button when page is swiped in Android? - android-widget

I am working on a page controller application. My logic involves placing custom radio buttons at the bottom of one page.
I would like to create a listener on the radio button when the user swipes the page to move to the next. I am not aware exactly how to do this. I have attached an image to relay my idea.
Any thoughts would be greatly appreciated.
Thanks in advance.

See this example
You have to just go through this example.Its has different type of TabIndicator.So read it and play with it. Hope it help you

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enter image description here
I need to implement button animation like this. Please help if any plugin or class avaliable on Flutter.
Need to button animation like this when i have click the button. Please help me to implement this.

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The webpage I'm loading contains a HtmlElementView class which will load an URL. And I am having an action in app bar and when I am tapping on a option, It is not responding.
In the reference image the account settings option is clickable because it is outside the HtmlElementView but the others two options are not clickable because it is on top of the HtmlElementView. Help me with an solution for this.
There seems to be no in easy way of dealing with this in flutter.
So the best option is to use pub.dev/packages/pointer_interceptor
Thanks to #Pat9RB for finding this!

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Just would like to know the coding to show the button and make the button disappear
Thanks in advance
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https://www.andrewcbancroft.com/2015/03/17/basics-of-pull-to-refresh-for-swift-developers/
https://grokswift.com/pull-to-refresh-swift-table-view/
https://www.appcoda.com/custom-pull-to-refresh/

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I'm trying to add a PayPal "add to cart" button to my lightbox 2 gallery?? I've seen lots of trouble shooting (posted by ChrisD), however, I can't locate the actual code to get it into the lightbox. I can get it to be in my caption on the index, but the button won't go into the actual lighbox display container where I would prefer it? Any help would be greatly appreciated!! (or direct me to a link/question that answers this?)Thanks in advanced!
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I am having trouble with designing my App.
I am having a button and a label in every page, required functionality is when user clicks a button, it will fetch the last tweet of application's tweeter account and will display it in label.
I know how to fetch and display it in one page.
My question is, can't I create something like custom control, which i just need to place in every page.
Hope, i was able to explain my question.
Any help will be appreciated.. thanks in advance.
Paresh
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