By Feipeng Liu
A step by step instructional with greater than 60 concise recipes on Android NDK improvement skills.
• 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.
Building Android purposes could frequently suggest that you just spend your entire time operating in Java. There are notwithstanding occasions whilst this isn't the best or most sensible approach 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 facility to reuse code and libraries and in addition, in general, raise the rate and potency of your application.
The Android local improvement package Cookbook can assist you already know the improvement, construction, and debugging of your local Android purposes. we'll notice and examine JNI programming and crucial NDK APIs comparable to OpenGL ES, and the local software API. we'll then discover the method of porting current libraries and software program to NDK. through the tip of this booklet it is possible for you to to construct your personal apps in NDK apps.
Android local improvement package Cookbook starts off with simple recipes that can assist you within the development and debugging of local apps, and JNI programming. The recipes disguise a variety of themes of software improvement with Android NDK corresponding to OpenGL programming and Multimedia programming. we'll commence with an easy recipe, hi NDK, prior to relocating directly to disguise complex issues with recipes on OpenGL ES that target 2nd and 3D pics, in addition to recipes that debate operating with NDK and exterior APIs. while you're searching for how you can make your software on hand in Android and take measures to spice up your application’s functionality, then this Cookbook is for you.
What you'll examine from this book
• improve Android apps in C/C++ with no unmarried line of Java.
• application 2D/3D images 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 functions to Android with NDK.
• enhance multimedia Android apps with Android NDK.
This e-book is written in a Cookbook type, starting with recipes which specialize in assisting builders make their software/application on hand in Android.
Who this e-book 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 publication.
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Additional resources for Android Native Development Kit Cookbook
These three components are connected together using the system bus (consisting of the address, data, and control buses). The block diagram in Figure 3-1 shows this relationship. Memory CPU System bus I/O devices Figure 3-1: Block diagram of a Von Neumann system The CPU communicates with memory and I/O devices by placing a numeric value on the address bus to select one of the memory locations or I/O device port locations, each of which has a unique binary numeric address. Then the CPU, I/O, and memory devices pass data among themselves by placing the data on the data bus.
2 // Copies the value from BX into AX // Copies the value from AL into DL // Copies the value from EDX into ESI Register Access in Gas Gas prepends each register name with percent sign ( %). For example: %al, %ah, %bl, %bh, %cl, %ch, %dl, %dh %ax, %bx, %cx, %dx, %si, %di, %bp, %sp %eax, %ebx, %ecx, %edx, %esi, %edi, %ebp, %esp The Gas syntax for the mov instruction is similar to HLA’s, except that it drops the parentheses and semicolons and requires the assembly language statements to fit completely on one physical line of source code.
It would be nice to use just a single assembler’s syntax throughout this book, but because our approach is not compiler specific, we must consider the syntaxes for several different common assemblers. This book will generally present non–compiler-specific examples using the High-Level Assembler (HLA). Therefore, this chapter will discuss the syntaxes for four 22 C ha pt er 3 assemblers: MASM, TASM, Gas, and HLA. Fortunately, once you master the syntax for one assembler, learning the syntax of other assemblers is very easy.
Android Native Development Kit Cookbook by Feipeng Liu