Titanium Mobile for Android

progress_dialog.js

Titanium.UI.setBackgroundColor('#000');

var win1 = Titanium.UI.createWindow({  
    backgroundColor:'#888'
});
win1.open();

var actInd = Titanium.UI.createActivityIndicator({
    message: "Downloading...",
	// undocumented feature
    type: 1,
    min: 0, 
    max: 100,
    value: 0
});
actInd.show();
setTimeout(function() {
	actInd.value = 80;
}, 3 * 1000);