Programming

Download Android Native Development Kit Cookbook by Feipeng Liu PDF

By Feipeng Liu

ISBN-10: 1849691509

ISBN-13: 9781849691505

A step by step instructional with greater than 60 concise recipes on Android NDK improvement skills.

Overview

• construct, debug, and profile Android NDK apps.
• enforce a part of Android apps in local C/C++ code.
• Optimize code functionality in meeting with Android NDK.

In Detail

Building Android functions might frequently suggest that you just spend your entire time operating in Java. There are notwithstanding instances while this isn't the best or most sensible strategy for the appliance being equipped. this is often the place Android NDK comes in.

Android NDK permits the developer to jot down in local C/C++, providing you with the ability to reuse code and libraries and in addition, as a rule, elevate the rate and potency of your application.

The Android local improvement equipment Cookbook may help the improvement, construction, and debugging of your local Android purposes. we'll observe and research JNI programming and crucial NDK APIs equivalent to OpenGL ES, and the local program API. we are going to then discover the method of porting present libraries and software program to NDK. via the tip of this e-book it is possible for you to to construct your personal apps in NDK apps.

Android local improvement equipment Cookbook starts with uncomplicated recipes that can assist you within the development and debugging of local apps, and JNI programming. The recipes hide a number of issues of software improvement with Android NDK corresponding to OpenGL programming and Multimedia programming. we'll commence with an easy recipe, hi NDK, ahead of relocating directly to hide complicated issues with recipes on OpenGL ES that target 2nd and 3D portraits, in addition to recipes that debate operating with NDK and exterior APIs. when you are searching for how one can make your program to be had in Android and take measures to spice up your application’s functionality, then this Cookbook is for you.

What you'll research from this book

• boost Android apps in C/C++ with no unmarried line of Java.
• software 2D/3D pics with either OpenGL ES 1x and 2.0 in Android NDK.
• Write multi-threaded Android apps in Android NDK.
• Port current C/C++ libraries and purposes to Android with NDK.
• advance multimedia Android apps with Android NDK.

Approach

This booklet is written in a Cookbook kind, starting with recipes which specialise in supporting builders make their software/application on hand in Android.

Who this booklet is written for

Android builders who are looking to research Android NDK programming, or advance multimedia and video games in Android NDK will reap the benefits of this publication.

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Example text

In some operating systems, a misbehaving process can stomp all over other applications, or even break the operating system itself, before the system is able to terminate the process. As a result, poorly written programs can cause the entire computer to freeze or crash. Not so on Unix; because a process cannot modify other processes, including the kernel, there is virtually no risk of a bad process bringing down the entire operating system. Although the kernel is responsible for accessing hardware, much of the knowledge of specific hardware details is delegated to device drivers.

This creates the illusion that all the applications on your system were designed to work together — even though your applications may have been designed by different people, all with different interests. Once you learn how to use one application, you have a pretty good idea of how to use all applications. Apple provides a document, called the Apple Human Interface Guidelines, that spells out how Mac OS X applications should look and behave. Applications written against one of Mac OS X’s application frameworks start with a bit of an advantage: all the user interface elements provided by these frameworks meet the specifications in the Apple Human Interface Guidelines.

Shark differs from Sampler in that it samples your entire system, not just a single application. Shark takes your call stack data one step further by showing your frame’s assembly code, and even the source code, if available. So when Shark indicates you’re spending a suspicious amount of time in a particular function, you can actually view the source code for that function right there. And if that isn’t enough, Shark even suggests specific ways in which you can improve your function’s performance.

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