alert() is work but confirm is not.
( function () {
window.addEventListener( 'tizenhwkey', function( ev ) {
if( ev.keyName === "back" ) {
var activePopup = document.querySelector( '.ui-popup-active' ),
page = document.getElementsByClassName( 'ui-page-active' )[0],
pageid = page ? page.id : "";
screen.lockOrientation("portrait-primary");
if( pageid === "one" && !activePopup ) {
alert('page one');
var exit = confirm("exit");
if(exit){
tizen.application.getCurrentApplication().exit();
}
/*try {
tizen.application.getCurrentApplication().exit();
} catch (ignore) {
}*/
} else {
window.history.back();
}
}
} );
} () );