Book Image

Flash Development for Android Cookbook

By : Joseph Labrecque
Book Image

Flash Development for Android Cookbook

By: Joseph Labrecque

Overview of this book

Flash has now arrived to Android — the fastest growing smartphone platform. This offers massive opportunities for Flash developers who want to get into mobile development. At the same time, working on smartphones will introduce new challenges and issues that Flash developers may not be familiar with. The Flash Development for Android Cookbook enables Flash developers to branch out into Android mobile applications through a set of essential, easily demonstrable recipes. It takes you through the entire development workflow: from setting up a local development environment, to developing and testing your application, to compiling for distribution to the ever-growing Android Market. The Flash Development for Android Cookbook starts off with recipes that cover development environment configuration as well as mobile project creation and conversion. It then moves on to exciting topics such as the use of touch and gestures, responding to device movement in 3D space, working with multimedia, and handling application layout. Essential tasks such as tapping into native processes and manipulating the file system are also covered. We then move on to some cool advanced stuff such as Android-specific device permissions, application debugging and optimization techniques, and the packaging and distribution options available on the mobile Android platform. In a nutshell, this cookbook enables you to get quickly up to speed with mobile Android development using the Flash Platform in ways that are meaningful and immediately applicable to the rapidly growing area of mobile application development.
Table of Contents (18 chapters)
Flash Development for Android Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface

Monitoring memory usage and frame rate in an application


Android devices generally have a lot less memory and much less CPU power than a traditional desktop or laptop machine. We have to be very careful when building Android applications so as not to create something so power-hungry, that the frame rate drops to unacceptable levels or the application becomes unresponsive. To assist us in troubleshooting and monitoring these issues, we can keep track of the memory consumption and calculated frame rate of the running application which should respond accordingly.

How to do it...

We can monitor many system properties through use of the flash.system package along with the flash.utils.getTimer class for calculating the present application frame rate:

  1. 1. To begin, we will need to import the following classes into our application:

    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.Event;
    import flash.system.Capabilities;
    import flash...