document.addEventListener('backbutton', function() {
if (UI.isDisabled()) return;
var main = View.getMain();
var stack = main.getStack();
var stackLength = stack && stack.getLength();
navigate(function() {
if (stackLength <= 1) navigator.app.exitApp();
else main.pop();
});
}, false);
main.addEventListener('touchmove', function(event) {
if (!isSwipe) return;
if (UI.isDisabled() || UI.gesturesAreDisabled()) {
isSwipe = false;
return;
}
event.preventDefault();
if (Math.abs(event.touches[0].clientY - startY) > 20) {
isSwipe = false;
return;
}
var offset = event.touches[0].clientX;
var width = document.body.offsetWidth;
if (offset / width > 0.15) {
isSwipe = false;
navigate(function() {
View.getMain().pop();
});
}
}, false);
main.addEventListener('touchstart', function(event) {
if (UI.isDisabled() || UI.gesturesAreDisabled()) return;
if (event.touches[0].clientX <= 25) isSwipe = true;
startY = event.touches[0].clientY;
}, false);