Category: Development tools

day5

Seven days with Titanium – day 5 – GPS and Maps

This doesn’t need any kind of introduction. You can use the location on the devices to find the user’s place and act accordingly. One thing good to know is that this needs the approval of the user, and for iOs > 3.2 you need to set a purpose property to let Apple know what you need it for.

Titanium.Geolocation.purpose = "GPS user coordinates";

How geolocation works?

day4

Seven days with Titanium – day 4 – Media – images, movies and sounds

The day 4 comes very late because it was a very busy period so I had no time to continue the tutorials.
Ok, so we should treat in this tutorial the media part of Appcelerator. This includes images – display and capture them with the camera and how to play movie and sounds.

Display images with Appcelerator

To display an image we use the ImageView. The image view has some simple arguments, like any view in the Titanium framework. I won’t repeat them except for the important one. Obviously the source if the image is the one we are interested in set by the image argument, and accepts local or remote files.

day3

Seven days with Titanium – day 3 – ajax(xhr) and webviews

In “day 3″ we will learn how to make our application communicate with a webserver. There are 2 ways we can do this: one is to use a webview and point it to a real web page or using the HttpClient that Appcelerator provides us.

The WebView

What is WebView? A WebView is nothing more than a chromeless browser or, if you want, a “naked” browser (it misses the interface we’re used to) that allows us to open remote or local webpages and display it in our apps.

You can use the webview for many purposes starting from displaying some nice html/css formatted text to building your own in-app browser. One thing you must NOT forget is that the webview it’s very expensive for the device (in terms of CPU load and memory usage) so try to use it only when it’s really really needed.

The webview is created using the function Titanium.UI.createWebView. Some things to specify about it would be that you have to choose between managing the touch events as a Titanium entity, or let the webpage do this. You cannot have both in the same time.

Two events that deserve more attention are beforeLoad and load that can be used to show and hide a “loading…” screen from the moment you try to load a remote page until the webpage is fully loaded.

day2

Seven days with Titanium – day 2 – tables and pickers

Welcome to day 2 with Titanium – Tables and pickers. A short reminder of what we’ve done till now:



Believe it or not, the table is the most used UI element in the iPhone SDK. If you play a little with the applications that come with your “iDevice” you will see that almost all the native apps have tables. Sometimes they are so well designed and the appearance so changed that you don’t even think of them as tables. But in time, while you will learn more, you will be able to spot it and a lot of ideas will come to you :) . Also I think that that the pickers are some sort of “undercover tables” so that’s why I’ll present both in the same tutorial.

day1

Seven days with Titanium – day 1 – windows, views, navigation and tabs

Today is going to be the first day of the Titanium tutorial for beginners and a pretty long post.
Before we begin here is the recap of what we have written until now (and updated what will come): Seven days with Titanium – day 0 – introduction

As specified in the Introduction post I will try in this lesson to say some things about navigation, windows, views and tabs – the basics of the interface.

day0

Seven days with Titanium – day 0 – introduction

What is all about?

I intend this to be a set of seven tutorials to help beginners understand how to work with the Titanium mobile framework.

The guys at Appcelerator did a great job with the framework allowing to us, the web developers, to have access on native applications for mobile devices ( Apple iDevices, Android and soon BlackBerry).

The framework reached the 1.4 version and each day more developers seem to be interested in using it – especially because it’s free. The community is great and you’ll find answers on almost any problem you might have. But for the beginners is still a little difficult to start. From here surged the idea of this set of tutorials in which I will try to cover the basics of the development process for iPhone and Android.
Titanium Appcelerator

Combobox with Titanium Appcelerator

Making a combo-box in Titanium Appcelerator – code and video

A true iPhone or Ipad combobox that allows you to use the same textfield to input arbitrary text or select a value from a UIPicker element. All built with Titanium Appcelerator to include in your iPhone application.

Titanium countdown timer

Create a countdown timer with Titanium Appcelerator

How to create a countdown timer for your iPhone with Titanium Appcelerator. Source code available for download.

google-font-thumb

Google Fonts tutorial

Google came with a new idea in their list of web toys.: a font directory that allows you as a web developer to include some “fancy” fonts in your pages without struggle. We prepared a tutorial to teach you how to play with this new API and a test page so you can download the code and use it in your website.

speedup your site – 2static.it

Since google launched pagespeed add-on for firefox, everybody is talking about how to speedup you site, but there are few instructions about one aspect : the cookieless domain. We should serve static components (css, images, javascript) with no cookies at all. Cookies are sent and received each time we make a request to the server. [...]

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