Instant Android Systems Development How-to by Fernandes Earlence

Author:Fernandes, Earlence
Language: eng
Format: epub
Publisher: Packt Publishing

How it works…

The code images are cross compiled for an ARM architecture and the proprietary binaries are included in them. The appropriate prebuilt kernel image is picked up and included in boot.img during the build process.

In the preceding recipes, we created a custom service that can be invoked by obtaining a reference directly to the service via the Service Manager. In this recipe, we will create a class library that abstracts much of that code away into a clean interface. The advantage of creating a class library is that it acts like an SDK-API for our custom service. The example we go through here will also guide us in adding code to the Android class library. The code is generally independent of system services and can be used for other purposes as well. An example of an Android class library is android.app.Activity, which is a commonly used class to represent Android activities. This class is part of the Android class library.

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