[TIMOB-19172] Android: Button default style disappears when decrease, then increase opacity.

 
var win = Ti.UI.createWindow({
    backgroundColor:'#555'
});

var aButton = Ti.UI.createButton({
	title : 'Click',
	height : 'auto',
	width : 'auto',
	top : 50,
});

aButton.addEventListener('click', function() {
	aButton.setOpacity(0.3);
    setTimeout(function () {
        aButton.setOpacity(1);
    }, 2000);
});

win.add(aButton); 
win.open();