How do I disable Android Back button on one page and change to exit button on every other page

Question

I am developing an Android application using Phonegap that interacts with my Drupal site. I have re-assigned the Android \"Back\" button to prompt the user to log off from t

Answer 1

Try this:

document.addEventListener("backbutton", function(e){
    if($.mobile.activePage.is('#login_page')){
        e.preventDefault();
    }
    else {
        if (confirm("Are you sure you want to logout?")) {
            /* Here is where my AJAX code for logging off goes */
        }
        else {
            return false;
        }
    }
}, false);