How to disable "Back" button of the Phone when Using Popup?

[seanschmidt]

I use Popup full screen to display messages like “under maintenace”,“you’re offline”,“new version, update your app now” instead of toast, dialog box. the purpose of full screen pop up is to stop user from doing on the app as it wont function due under maintenance, or offline…

here is the problem, when you click the “back” button of, the popup closes. i need to disable the back button so the app wont close the popup. how to do that?

[Fernando_Romero]

Hi. Check this tread.

[SOLVED] Temporarily disable hardware back button?

I currently have a multi page (Android) application that allows you to go back a page with the hardware back button. I would like to do 1 of 2 things: Disable the back button when a ‘sheet-modal’ is displayed, re-enable it when ‘sheet-modal’ is closed. or If a ‘sheet-modal’ is displayed, instead of the hardware back button going back to the current page (which still leaves the sheet modal displayed), have it only close the sheet modal and not navigate back a page unless the user hits back a…

Search for back button in the forum, there’s much information.