By Sylvain Ratabouil

ISBN-10: 1849691525

ISBN-13: 9781849691529

Realize the local part of Android and inject the ability of C/C++ on your applications
* Create excessive functionality functions with C/C++ and combine with Java
* make the most complicated Android good points corresponding to pix, sound, enter and sensing
* Port and reuse your personal or third-party libraries from the prolific C/C++ ecosystem

In Detail

Android NDK is all approximately injecting excessive functionality into your apps. take advantage of the utmost energy of those cellular units utilizing high-performance and conveyable code.

This publication will enable you to create C/C++ enabled functions and combine them with Java. you'll the way to entry local API and port libraries utilized in one of the most winning Android applications.

Using this useful step by step educational, highlighted with reviews and methods, realize how one can run C/C++ code embedded in a Java program or in a standalone program. you are going to create a true local program ranging from undertaking production via to complete implementation of local API and the porting of present third-party libraries. you will find OpenGL ES and OpenSL ES, that are changing into the hot normal in mobility. additionally, you will know how to entry keyboard and enter peripherals and the way to learn accelerometer or orientation sensors. eventually, you'll dive into extra complicated issues equivalent to debugging and ARM assembler directions. via the top of the booklet, you want to understand the foremost components to aid you commence exploiting the ability and portability of local code.

What you'll study from this book
* bounce within the beginning block and create your first Android local projec
* speak with Java via Java local Interfaces
* show second and 3D snap shots with OpenGL ES
* Play sound and tune with OpenSL ES
* deal with Android enter and sensors
* Debug purposes and become aware of complicated ARM instructions
* Port current C/C++ code to Android
* mix photographs, sound, enter, sensors and physics on your application

Approach

This beginner's advisor makes a speciality of getting you thru all of the significant studying issues in a tender, logical order. You'll additionally see easy methods to stay away from a few universal pitfalls.

Who this ebook is written for

Are you an Android Java programmer who wishes extra functionality? Are you a C/C++ developer who doesn't are looking to trouble with Java stuff and its out-of-control rubbish collector? do you need to create quick in depth multimedia functions or video games? resolution convinced to any of the above and this ebook is for you. With a few normal wisdom of C/C++ improvement, it is possible for you to to dive head first into local Android development.

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Extra info for Android NDK Beginner's Guide

Example text

These source files contain Java programs. ” program. ” program is given in Listing 1-1. The main() method is the entry point of an application and starts the primary thread of the application. The JVM starts an application by running the main() method. java extension. java. It is a requirement of the Java compiler that the file containing a program should be saved as the class name present in the file. Java. Notice that all the code is written within a class definition. Before you can compile and run the preceding program, you need to set some system variables for the Java runtime environment.

CENTER ); setSize( 300, 100 ); setVisible( true ); } public static void main( String[] args ) { new HelloWorld( “Hello World! Sample” ); } } The output of the above code is displayed in Figure 1-4. asp. NOTE Frames derive their appearance and behavior from the native operating systems. As a result, the output of the code in Listing 1-1 may vary in different platforms. However, the difference will be minimal. Only the appearance of entities, such as buttons and borders, may change. The functionality will remain the same.

Interfaces Interfaces are similar to classes but interfaces cannot be instantiated. In addition, the methods in interfaces are declared without any body. Therefore, interfaces determine the methods to be defined by the subclass but how the method is defined depends on the requirements of each subclass. This is a classic example of polymorphism where a method in an interface will exist in several forms in various subclasses of the interface. The syntax to declare an interface is given here: interface { method1(); method2(); method3(); } Here, can be either public or default.

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Android NDK Beginner's Guide by Sylvain Ratabouil


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