Firstly, the native code is compiled to a binary code and run directly on OS, while Java code is translated into Java byte-code and interpreted by Dalvik Virtual Machine ( VM). The performance improvements can come from three sources. Many multimedia applications and video games use native code for processor-intensive tasks. This is usually true for many processor-bound applications. Before we start our journey to NDK, it is important to understand the advantages of NDK.įirst of all, NDK may improve application performance. If you are looking for ways to make your application available in Android and take measures to boost your application's performance, then this Cookbook is for you.Īndroid NDK is a toolset that allows developers to implement a part of or an entire Android application in a native language, such as C, C++, and assembly. We will begin with a simple recipe, Hello NDK, before moving on to cover advanced topics with recipes on OpenGL ES that focus on 2D and 3D graphics, as well as recipes that discuss working with NDK and external APIs. The recipes cover various topics of application development with Android NDK such as OpenGL programming and Multimedia programming. By the end of this book you will be able to build your own apps in NDK apps."Android Native Development Kit Cookbook" begins with basic recipes that will help you in the building and debugging of native apps, and JNI programming. We will then explore the process of porting existing libraries and software to NDK. We will discover and learn JNI programming and essential NDK APIs such as OpenGL ES, and the native application API. Android NDK allows the developer to write in Native C/C++, giving you the power to reuse code and libraries and also, in most cases, increase the speed and efficiency of your application.The "Android Native Development Kit Cookbook" will help you understand the development, building, and debugging of your native Android applications. There are however times when this is not the most efficient or best method for the application being built. Building Android applications would usually mean that you spend all of your time working in Java.
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