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  • Book Overview & Buying The Android Game Developer???s Handbook
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The Android Game Developer???s Handbook

The Android Game Developer???s Handbook

By : Avisekhar Roy
4 (2)
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The Android Game Developer???s Handbook

The Android Game Developer???s Handbook

4 (2)
By: Avisekhar Roy

Overview of this book

Gaming in android is an already established market and growing each day. Previously games were made for specific platforms, but this is the time of cross platform gaming with social connectivity. It requires vision of polishing, design and must follow user behavior. This book would help developers to predict and create scopes of improvement according to user behavior. You will begin with the guidelines and rules of game development on the Android platform followed by a brief description about the current variants of Android devices available. Next you will walk through the various tools available to develop any Android games and learn how to choose the most appropriate tools for a specific purpose. You will then learn JAVA game coding standard and style upon the Android SDK. Later, you would focus on creation, maintenance of Game Loop using Android SDK, common mistakes in game development and the solutions to avoid them to improve performance. We will deep dive into Shaders and learn how to optimize memory and performance for an Android Game before moving on to another important topic, testing and debugging Android Games followed by an overview about Virtual Reality and how to integrate them into Android games. Want to program a different way? Inside you’ll also learn Android game Development using C++ and OpenGL. Finally you would walk through the required tools to polish and finalize the game and possible integration of any third party tools or SDKs in order to monetize your game when it’s one the market!
Table of Contents (15 chapters)
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14
Index

Native code performance

As we already know, native code can run faster with better processing speed. This can be further optimized for a specific CPU architecture. The main reason behind this performance boost is the use of pointers in memory operations. However, it depends on the developer and the coding style.

Let's look at a simple example where we can have a better understanding of performance gain in native language.

Consider this Java code:

int[] testArray = new int[1000];
for ( int i = 0; i < 1000; ++ i)
{
  testArray[i] = i;
}

In this case, the address of 1000 fields in the array is handled by JVM (DVM in the case of an Android Dalvik system). So, the interpreter parses to the ith position and performs an assignment operation each time, which takes a lot of time.

Now, let's implement the same functionality using native C/C++ language and use pointers:

int testArray[1000];
int *ptrArray = testArray;
for ( int i = 0; i < 1000; ++ i)
{
  *ptrArray = i;
  ptrArray += i * sizeof...
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The Android Game Developer???s Handbook
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