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Android presentation
 

Android presentation

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A talk about the Android Framework and how to build android applications.

A talk about the Android Framework and how to build android applications.

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    Android presentation Android presentation Presentation Transcript

    • ANDROID FRAMEWORK Henry Addo Twitter: http://twitter.com/eyedol
    • WHAT WE ARE GOING TO LOOK AT * What Is Android? * Architecture Overview. * Android Software Development. * Developer Tool Kits. * Getting started. * Sample Apps. * References.
    • WHAT IS ANDROID * An open platform for mobile computing. * Its linux based. * But development is in java.
    • ARCHITECTURE OVERVIEW * Power Management * Security * Drivers * Processes Management
    • ARCHITECTURE OVERVIEW The libraries provide functionalities.
    • ARCHITECTURE OVERVIEW
    • ANDROID SOFTWARE DEVELOPMENT * Application building blocks * Application Model * UI Components
    • APPLICATION BUILDING BLOCKS * Activities and Intents * Broadcast Receivers * Services * Content Providers
    • ACTIVITIES An activity is a screen in your application.
    • ACTIVITY LIFE CYCLE
    • INTENTS * An activity communicate with each other using Intents. * The Intent is resolved to another Activity, by matching it against an Intent Filter. * Intent conveys Data and Actions.
    • BROADCAST RECEIVERS * Listens for Intents * Incoming calls * Incoming SMS * Alarms * Network availability changes * Does not display UI * Uses notifications
    • SERVICES * Services perform long running activities. * Services can be manual or automatic. * Can run in process or in another process altogether.
    • APPLICATION MODEL * Android Package( .apk ) * Compiled code & resources * Must be signed just like jar. * Task * May span activities across several packages and processes.
    • UI COMPONENTS * Views * Simple * Edit, Button, Checkbox,Radio * Specialized * DatePicker, AutoComplete * ViewGroups * Relative, Table, Linear * Web, Video, Map, Gallery
    • DEVELOPER TOOLKITS Emulator * An emulator that runs same system image as a device * You could also use the developer device.
    • DEVELOPER TOOLKITS Eclipse Plugin - ADT
    • DEVELOPER TOOLKITS Debugger
    • GETTING STARTED * The famous “Hello World” Program provided by the SDK: *Android Manifest * Layout file * Activity source file
    • GETTING STARTED * Android Manifest file
    • GETTING STARTED * Layout file
    • GETTING STARTED * Activity Source file
    • GETTING STARTED * Built and Running on the Emulator
    • GETTING STARTED Accelerator Titanium You don’t need java to write android apps. http://www.appcelerator.com/
    • RESOURCES * Android SDK: http://developer.android.com/sdk/index.html * GUI Designer: http://www.droiddraw.org/ * API Documentation: http://developer.android.com/reference/android/package- summary.html * Developers Mailing List: http://groups.google.com/group/android-developers
    • REFERENCES * Android homepage: http://www.android.com/ * Open Handset Alliance: http://www.openhandsetalliance.com * Android Developers Page: http://developers.android.com/ * Android Open Source: http://source.android.com/
    • THANK YOU FOR COMING