Android Native Development Kit Cookbook by Feipeng Liu PDF

By Feipeng Liu

ISBN-10: 1849691509

ISBN-13: 9781849691505

A step by step educational 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 purposes might frequently suggest that you simply spend all your time operating in Java. There are even though occasions whilst this isn't the most productive or top strategy for the appliance being equipped. this is often the place Android NDK comes in.

Android NDK permits the developer to put in writing in local C/C++, providing you with the ability to reuse code and libraries and in addition, generally, bring up the rate and potency of your application.

The Android local improvement equipment Cookbook may help you know the improvement, development, and debugging of your local Android functions. we'll become aware of and examine JNI programming and crucial NDK APIs similar to OpenGL ES, and the local software API. we'll then discover the method of porting present libraries and software program to NDK. via the top of this ebook it is possible for you to to construct your personal apps in NDK apps.

Android local improvement equipment Cookbook starts off with uncomplicated recipes that can assist you within the construction and debugging of local apps, and JNI programming. The recipes conceal a variety of issues of software improvement with Android NDK resembling OpenGL programming and Multimedia programming. we are going to start with an easy recipe, hi NDK, earlier than relocating directly to conceal complex subject matters with recipes on OpenGL ES that concentrate on 2nd and 3D photos, in addition to recipes that debate operating with NDK and exterior APIs. while you are searching for how one can make your software to be had in Android and take measures to spice up your application’s functionality, then this Cookbook is for you.

What you are going to research from this book

• advance Android apps in C/C++ with no unmarried line of Java.
• software 2D/3D portraits with either OpenGL ES 1x and 2.0 in Android NDK.
• Write multi-threaded Android apps in Android NDK.
• Port present 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 aiding builders make their software/application on hand in Android.

Who this publication is written for

Android builders who are looking to research Android NDK programming, or advance multimedia and video games in Android NDK will take advantage of this e-book.

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Extra resources for Android Native Development Kit Cookbook

Sample text

In our sample project, we implemented one native method for each of the eight primitive data types. Following is the code for jboolean, jint, and jdouble. 5; } 35 Java Native Interface 3. java Java code, we add code to load the native library, declare the native methods, and call the native methods. Following is that part of the code. The "…" indicates the part that is not shown. separator")) ...... toString()); } private native boolean passBooleanReturnBoolean(boolean p); private native byte passByteReturnByte(byte p); private native char passCharReturnChar(char p); private native short passShortReturnShort(short p); ......

The first one is the Unicode Transformation Format (UTF), which encodes a Unicode code point into a variable number of code values. UTF-8, UTF-16, UTF-32, and a few others belong to this category. The numbers 8, 16, and 32 refer to the number of bits in one code value. The second category is the Universal Character Set (UCS) encodings, which encodes a Unicode code point into a single code value. UCS2 and UCS4 belong to this category. The numbers 2 and 4 refer to the number of bytes in one code value.

In our sample project, we implemented one native method for each of the eight primitive data types. Following is the code for jboolean, jint, and jdouble. 5; } 35 Java Native Interface 3. java Java code, we add code to load the native library, declare the native methods, and call the native methods. Following is that part of the code. The "…" indicates the part that is not shown. separator")) ...... toString()); } private native boolean passBooleanReturnBoolean(boolean p); private native byte passByteReturnByte(byte p); private native char passCharReturnChar(char p); private native short passShortReturnShort(short p); ......

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Android Native Development Kit Cookbook by Feipeng Liu


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