Titanium + Q promise

promise.js

var Q = require("q");

function Promise(name) {
    var defer = Q.defer();
    setTimeout(function() {
        defer.notify('About to greet ' + name + '.');

        if (name) {

            defer.resolve('Hello, ' + name + '!');
        } else {

            defer.reject('Greeting ' + name + ' is not allowed.');
        }
    }, 1000);

    return defer.promise;
}

var rob = Promise("Rob");

rob.then(function(greeting) {
    alert('Success: ' + greeting);
}, function(reason) {
    alert('Failed: ' + reason);
}, function(update) {
    alert('Got notification: ' + update);
});



function promisedStep1() {
    return "pro1";
}

function promisedStep2() {
    return "pro2";
}

function promisedStep3() {
    return "pro3";
}

function promisedStep4() {
    return "pro4";
}

function doneFunc() {
    Ti.API.info("Value");
}


Q.fcall(promisedStep1).then(promisedStep2).then(promisedStep3).then(promisedStep4).then(function(value4) {
    Ti.API.info(value4);
}).catch(function(error) {

}).done(doneFunc());

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