20140309 - My PhoneGap Testing Code for the backbutton

// **** PHONEGAP SECTION ****

// Wait for device API libraries to load

setTimeout(onLoad, 10000);  // xx seconds into use of the app, start up the PhoneGap processes.  Note that this is not the
                            // optimal way, but it'll do for now (doesn't go on at earliest ready moment, nor does it account for browsers)

//  Reference:  http://docs.phonegap.com/en/3.4.0/cordova_events_events.md.html#deviceready
function onLoad() {
    document.addEventListener("deviceready", onDeviceReady, false);  // call onDeviceReady once PhoneGap is ready
}


// device APIs are available
//
function onDeviceReady() {
    // Now safe to use device APIs via Phonegap
    alert("Phonegap is successfully up and listening...");  //  <--- success
    document.addEventListener("backbutton", onBackKeyDown, false);
    document.addEventListener("menubutton", onMenuKeyDown, false);
}


function onBackKeyDown() {
    alert("Someone hit the backbutton...");  //  <--- this doesn't work, yet...
}  // end of onBackKeyDown function


function onMenuKeyDown() {
    alert("Someone hit the menubutton...");  //  <--- somehow this works.  Go figure.
}