AndroidAnnotationsRoboGuiceAndroid programing frameworks

By: Joel Sticha

AndroidAnnotationsAndroidAnnotations was created by Pierre-Yves Ricau

and is sponsored by eBusinessInformations.

Why use android annotations?

Goals

We want to facilitate the writing and maintenance of android applications

Android Annotations strives to achieve these goals by making code simple to understand with clear intents

Robert C. Martin (Uncle Bob)

"The ratio of time spent reading [code] versus writing is well over 10 to 1 [therefore] making it easy to read makes it easier to write."

Using Java annotations, developers can show their intent and let AndroidAnnotations generate the plumbing code at compile time.

Features of AndroidAnnotations

Dependency injection: inject views, extras, system services, resources, ...

Simplified threading model: annotate your methods so that they execute on the UI thread or on a background thread.

Event binding: annotate methods to handle events on views, no more ugly anonymous listener classes!

REST client: create a client interface, AndroidAnnotations generates the implementation.

AndroidAnnotations provide those good things and even more for less than 50kb, without any runtime performance impact!

Is your Android code easy to write, read, and Maintain?

Applications already using AndroidAnnotations:

https://github.com/excilys/androidannotations/wiki/Apps-using-AndroidAnnotations

Android Annotations bottom line

It takes out the most repetitive code in your application

It helps you create cleaner code that is easier to read

It can be included with small changes to your project and editing environment

Add two jar files to the Java Build Path for your project.

Add AndroidAnnotations as a annotation processor in the Java Compiler Settings

Rename the activities to xxxx_

RoboGuiceDependency Injection for Android

Current Version is 2.0

What RoboGuice Does

RoboGuice is a dependency injection framework for Android

It uses the Google Guice framework as the backbone

Classic android

Class with RoboGuice

Example Program