Android development-session 1

ANDROID DEVELOPMENT

SESSION 1 – INTRODUCTION AHMED EZZ EL - DIN

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SESSION CONTENT •  Brief History •  Android Market •  Android Versions •  Features of Android •  Android Architecture •  Android Devices •  Android Development Process •  Required for App Development •  Getting Started with New App •  Creating Android Virtual Device “AVD” •  Android Application Internals •  Let’s Code Android


BRIEF HISTORY •  Initially developed by Android Inc.

•  Google backed financially and later bought in 2005. •  Android was unveiled in 2007 along with the foundation of the

Open Handset Alliance [OHA].

•  Since the initial release of the Android OS, there have been more than 10 versions released up until the latest version 5 lollipop.

Open Handset Alliance: is a consortium of hardware, software and telecommunication companies devoted to advancing open standards for mobile devices.



ANDROID VERSIONS

For brief overview and differences between android versions visit this link: Android Versions facebook.com/ahmed.e.hassan 5

•  Each android release is named in alphabetical order after a dessert or sugary treat.

•  API Level is an Integer value that uniquely identifies the framework API version offered by a version of the android platform.

•  The framework API consist of:

•  A core set of packages •  A set of XML attributes for declaring a manifest file •  A set of intents •  The set of permissions that application request

ANDROID VERSIONS


ANDROID MARKET


FEATURES OF ANDROID •  Storage: Android uses SQLite

•  Connectivity: supports GSM/EDGE, CDMA, UMTS, Bluetooth, Wi-Fi, LTE, WIMAX

•  Messaging: supports SMS/MMS

•  Web Browser: chrome, opera, and almost kind of browser with JavaScript

•  Media: all kind of media JPEG, MPEG

•  Hardware: Camera, GPS, Bluetooth, Accelerometer sensor, digital compass

•  Multi Touch •  Multi Tasking


ANDROID ARCHITECTURE


ANDROID ARCHITECTURE •  Android OS is divided into six section in five main layer:

•  Application Section •  Application Framework Section •  Libraries Section •  Android Runtime Section •  Hardware Abstraction Layer •  Linux Kernel Section


APPLICATION SECTION •  Written by JAVA Programming Language


APPLICATION FRAMEWORK SECTION

•  Activity Manager: Handel Application Lifecycle. •  Package Manager: Hold information about application loaded in the system. •  Window Manager: Handel all the application related windows. •  View System: provide rich and extensible set of views that can be used to build

application. •  Resource Manager: provide access to non code resources. •  Content Providers: enable application to access data from another application. •  Notification Manager: enables all application to display custom alert. •  Location Manager: provide location information. •  Telephony Manager: provide telephony events incoming/outgoing calls.


LIBRARIES SECTION

•  Web Kit: •  Based on open source Web Kit Browser •  Full CSS, JS, Ajax support

•  Media Framework: •  Based on packet video open core platform •  Support standard video, audio formats

•  SQLite: •  Light-weight transactional data store •  Backend for most platform data storage


ANDROID RUNTIME SECTION

•  Core Libraries •  Core APIs for JAVA provide a powerful, yet simple and familiar

development platform. •  Dalvik Virtual Machine

•  Compile Java code to Dalvik Executable(dex format)


LINUX KERNEL SECTION

•  Android is built in Linux kernel •  It does not include full set of standard Linux utilities


ANDROID DEVICES


ANDROID DEVELOPMENT PROCESS

SETUP

Development

Debugging & Testing

Publishing


REQUIRED FOR DEVELOPMENT

Install JDK on your Machine Install Android Studio


CREATE FIRST APPLICATION


CREATING AVD In Android Studio > Tools > Android > AVD Manager, or click the AVD Manager icon in the toolbar


INSIDE APPLICATION


LETS CHANGE WORLD

LETS CODE


Software

Android development-session 1