Android Native Development Kit Cookbook

Chapter 5. Android Native Application API

In this chapter we will cover the following recipes:

• Creating a native activity with the native_activity.h interface
• Creating a native activity with the Android native app glue
• Managing native windows at Android NDK
• Detecting and handling input events at Android NDK
• Accessing sensors at Android NDK
• Managing assets at Android NDK

Introduction

Thanks to the Android native application APIs, it is possible to write an Android application with pure native code since Android API level 9 (Android 2.3, Gingerbread). That is, not a single line of Java code is needed. The Android native APIs are defined in several header files under the <NDK root>/platforms/android-<API level>/arch-arm/usr/include/android/ folder. Based ...