Skip to Main Content
Android NDK Beginner`s Guide - Second Edition
book

Android NDK Beginner`s Guide - Second Edition

by Sylvain Ratabouil
April 2015
Beginner to intermediate content levelBeginner to intermediate
494 pages
10h 26m
English
Packt Publishing
Content preview from Android NDK Beginner`s Guide - Second Edition

Time for action – handling accelerometer events

Let's handle accelerometer events in DroidBlaster:

  1. Open jni/InputHandler.hpp and add a new method onAccelerometerEvent(). Include the android/sensor.h official header for sensors:
    #ifndef _PACKT_INPUTHANDLER_HPP_
    #define _PACKT_INPUTHANDLER_HPP_
    
    #include <android/input.h>
    #include <android/sensor.h>
    
    class InputHandler {
    public:
        virtual ~InputHandler() {};
    
        virtual bool onTouchEvent(AInputEvent* pEvent) = 0;
        virtual bool onKeyboardEvent(AInputEvent* pEvent) = 0;
        virtual bool onTrackballEvent(AInputEvent* pEvent) = 0;
        virtual bool onAccelerometerEvent(ASensorEvent* pEvent) = 0;
    };
    #endif
  2. Create new methods in jni/EventLoop.hpp:
    • activateAccelerometer() and deactivateAccelerometer() to enable/disable the ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Pro Android C++ with the NDK

Pro Android C++ with the NDK

Onur Cinar
Learning Embedded Android N Programming

Learning Embedded Android N Programming

Ivan Morgillo, Stefano Viola

Publisher Resources

ISBN: 9781783989645Supplemental Content