Mind the Flex

Implementing Custom Functionality in Air for Trading

January 12th, 2010 | Posted by Martin
Filed under Adobe Air, Finance, Flex | 1 Comment »

The following article demonstrates that Adobe Flex can easily replace an existing stock trading application Java API and by using the features of Air, add easily new functionality to it. It all started when I read the book "High Probability Trading Strategies" from Robert C. Miner where he describes how to predict the behaviour of stock price. It is a very good book and I recommend it to everyone who is interested in trading. The main idea of the book is that the stock prices almost always move in a certain range and the range is predictable by the price movements in the past. Since the concept was interesting and my current trading platform didnt offer all the features described in the book, I decided to try how difficult it would be to develop an extension to my current trading platform.
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Updating the existing Air database

April 5th, 2009 | Posted by Martin
Filed under Adobe Air, Flex, SQLite | 1 Comment »

The article offers one possible solution what to do with an existing local databases when you have to change the table structure? Sooner or later you happen to be in an Air project where you have programmed an excellent application that stores all the user related data in a local database. Suddenly, a new excellent idea how to extend the application comes to your mind but the bad thing is that it does not fit into the existing database structure. In case you are in the development phase, you can of course drop the tables and start happily from the beginning but what if a lot of people are already using your application and you don't want to frustrate them with a message that they have to delete the locale database or run manually a database update.
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Survival Tutorial: Drag the Files from Desktop to Adobe Air Application

April 1st, 2009 | Posted by Martin
Filed under Adobe Air, Flex, SQLite | 3 Comments »

This article is written for Adobe Air and Flex developers who want to integrate their applications with the user desktop. The article concentrates on dragging the files from user desktop to the Air application and storing them as BLOB objects in SQLite that database. There is also an installable prototype application to test it out - the user can drag jpeg files from their desktop to the application and see them displayed inside the application. As the pictures are stored in the database, the prototype in the article can be easily extended to a simple form of a photo album.

In every developers life comes a moment when his/her i-product does not surprise anymore anybody and the last SOA project was just not enough for getting the attention and pay raise in the cube farm. When this moment arrives, it is good to know that there exist Adobe Air and Flex which give you countless possibilities to brag in front of people with standard components. If you happen to have more time, you could even change the color of the components but then you have to be prepared to land on some underfinanced project with high expectations as you are The Air-Flex Guru in the company. Therefore, think a bit before you read on whether you would like this kind of phase in your life.
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Eye Care Software Using Adobe AIR

March 20th, 2009 | Posted by sven-
Filed under Adobe Air, SQLite | No Comments »

RelaxMyEyes is an eyecare software that helps to avoid computer eye-strain. Our mission is to make the use of a computer less harmful for eyes. RelaxMyEyes keeps track of your working pauses all day long. Just start it and like a small sentinel it starts to plan relaxing pauses to your workday. When it's time to take a break, it displays a message on your screen. You can add your own messages that are displayed when it is time to take a break, display a picture in the alert and set your own work period length if you want. To take the first step towards a healthier life and to increase your everyday wellness.
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Returning Data from SQLite by Using the Responder Object

December 7th, 2008 | Posted by Martin
Filed under Adobe Air, Flex, SQLite | 2 Comments »

Adobe Air offers two ways to return data from local SQLite database: by SQLEvent and by Responder object. As the SQLEvent method is more popular since it follows the general logic of events, this article sheds light on the the use of Responder object that is quite useful in certain cases. In the end of this short article we will have an Air application that allows to enter users from an application form and displays them by using a Responder object. Read more »