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Articles of general programing: to solve some problems, to optimize processes, refactoring, etc.
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Development/General Programming
Author:Fernando Cejas
Introduction
Android offers a very powerful and yet easy-to-use message type called an intents. You can use intents to turn applications into high-level libraries and make code modular and reusable. The Android Home screen and AnyCut applications,...
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Development/General Programming
Author:Fernando Cejas
Introduction
Many Applications, mostly games, on the market show splash screens. With this screen they prompt a logo for the application and/or the author. I will show you a short way to implement a splash screen which will occur on every startup,...
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Development/General Programming
Author:Fernando Cejas
Introduction
Many Android devices come with the Music application used to play audio files stored on the device. Some devices ship with a wired headset that features transport control buttons, so users can for instance conveniently pause and...
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Development/General Programming
Author:Fernando Cejas
Introduction
In this article we will try to understand how intents work. We will base on some examples related with android applications: 'OpenTable', 'WHERE' and 'GoodFood'. The idea is that 'WHERE' and 'Good Food' users could make reservations...
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Development/General Programming
Author:Fernando Cejas
Introduction
One of the strange things with android is that there is no "the user has closed the application" event. Applications activities often just go to the background, and the android system may kill them whenever it wants, even when another...
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Development/General Programming
Author:Fernando Cejas
Introduction
This tutorial will not only show you how to launch the contact picker and get results, but also how to use those results in Android SDK 2.0 and above.
Getting Started
This tutorial will start out simple, but then we’ll get...
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Development/General Programming
Author:Fernando Cejas
Introduction
In this short post we’ll be going over how to pass simple data between screens in an Android app.
Scenario
In most Android applications, you’ll want to pass state information from screen to screen. This information could be...
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Development/General Programming
Author:Fernando Cejas
Introduction
Android applications can store data in application preferences. In this tutorial, you learn how to store persistent application data with shared preferences. The Android SDK provides helpful APIs for storing and retrieving...
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Development/General Programming
Author:Fernando Cejas
Introduction
This tutorial will show you how to create a simple service, that does not use IPC (inter process communication). Services are great for running long running tasks and business logic, outside an Activity, which is tied to the user...
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Development/General Programming
Author:Fernando Cejas
Introduction
This article describes how to create widgets in Android. It is based on Eclipse 3.6, Java 1.6 and Android 2.3.3 (Gingerbread).
1. Android Widgets
1.1. Widgets
Widgets are little applications which can be placed on the home...
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Development/General Programming
Author:Fernando Cejas
Introduction
Here’s something new that I came across and thought might be useful. This post is for anyone who has wanted to create an application that could communicate with another phone running your same application.
Incorporating...
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Development/General Programming
Author:Fernando Cejas
Introduction
In this quick tip tutorial, you’ll learn how to use application logging support in your Android applications for diagnostic purposes.
This quick tip shows you the steps to incorporate logging support into your applications and...
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