gistfile1.txt

var win = Ti.UI.createWindow({
    backgroundColor: '#ffffff',
    navBarHidden: true,
    exitOnClose: true
});

var button = Ti.UI.createButton({
    title: 'Show Progress Dialog'
});

var progressIndicator = Ti.UI.Android.createProgressIndicator({
    message: 'Loading...',
    location: Ti.UI.Android.PROGRESS_INDICATOR_DIALOG,
    cancelable: true,
});

button.addEventListener('click', function (e) {
    progressIndicator.show();

    setTimeout(function () {
        progressIndicator.hide();
        setTimeout(function () {
            progressIndicator.show();            
        }, 1);
    }, 3000);

    setTimeout(function () {
        progressIndicator.hide();
    }, 5000);
});

win.add(button);
win.open();