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Session 1: Android Overview
Sunday, March 25, 2012
April 12, 2023 Open source Training (Android Course) Adham Enaya
Course Overview
• Course name : Android Training • Hours: 90 hrs• What you will have:– Pre and post evaluation test.– Android Training Book.– Android app development skills.
• How you will participate:– Team work projects(2-3 members)– Assignments and presentations
April 12, 2023 Open source Training (Android Course) Adham Enaya
What is Android ?
• Android is a software stack for mobile devices that includes an operating system, middleware and key applications.
• The Android SDK provides the tools and APIs necessary to begin developing applications on the Android platform using the Java.
• Originally developed by Andy Rubin & Rich Miner (Android Inc.).
• Acquisitioned by Google in August 17, 2005.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Android versionsVersion API Level Name
1.0 1
1.1 2
1.5 3 CUPCAKE
1.6 4 DONUT
2.0,2.1 5,6,7 ÉCLAIR
2.2 8 FROYO
2.3 9,10 GINGERBREAD
3.0 11,12,13 HONYCOMB
4.0 14,15 ICE CREAM SANDWITCH
April 12, 2023 Open source Training (Android Course) Adham Enaya
Features of Android
• Open for manufacturer for customizations.• No fixed hardware & software configurations.• Storage, Connectivity, Messaging, Web
browsing, Media Support, Hardware sensors, multi touching, multi-tasking , Flash support (2.3).
April 12, 2023
Android Devices
• Smart Phones.• Tablets.• E-Readers devices.• Netebooks.• MP4 players.• Internet TVs.• Watches.
Open source Training (Android Course) Adham Enaya
April 12, 2023 Open source Training (Android Course) Adham Enaya
Architecture of Android
1. Linux Kernel2. Libraries3. Android Runtime ( Dalvik VM)4. Application framework5. Applications
April 12, 2023 Open source Training (Android Course) Adham Enaya
Architecture of Android(Graph)
April 12, 2023 Open source Training (Android Course) Adham Enaya
Linux Kernel
• Contains the drivers for all supported hardware.
• For example: – Camera Driver, Wi-Fi Driver, USB,…etc.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Libraries
• Programming libraries(code) provides the features of android system
• For example :– SQLite for database storage.– WebKit for web browsing.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Android Runtime
• Core libraries(Java libraries).• Dalvik VM :– Optimized for limit battery, memory & CPU.– Android java application are compiled to Dalvik
executables (.dex).– Each application runs on a separate process and
Dalvik VM instance(more secure).
April 12, 2023 Open source Training (Android Course) Adham Enaya
Application framework
• APIs allow the developers to use Android capabilities in their application.
• For example:– Telephony Manager: makeing calls,..etc.– Location Manager: GPS positioning, ..etc.– View system: GUI components, events, ..etc.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Applications
• Contains:– The applications come with android, for example:
Brower, SMS , contacts, dialer, …etc.– Your own application.– Notice that your applications and original
applications are in the same level.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Downloading development environment
• Eclipse IDE(Google-supported)– Download: http://www.eclipse.org/downloads
• Android SDK– SDK Manager– Android Platform– SDK samples …etc.– Emulator and debugger – Download: http://developer.android.com/sdk/index.html
• Android Development Tools(ADT)– Install plug-in: http://dl-ssl.google.com/android/eclipse
April 12, 2023 Open source Training (Android Course) Adham Enaya
Configuring the development environment
1. Installing the ADT plug-in.2. Go to Window -> Preferences.3. Select Android -> Set the location of android
SDK folder.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Android SDK & AVD Manager
• Helps to:– Browse the installed packages.– The available packages to install.– To create Android virtual devices – It is connected directly with Google servers to
install packages from them.– You can download :
• Android platforms, documentation, samples tools..• Third party Add-ons, i.e. Google APIs to use Google Maps
in the application.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Creating Android Virtual Device (AVD)
• AVD: is and emulator instance modeling the actual device.
1. Go to window -> Android SDK and AVD Manger.
2. Select Virtual Devices-> enter the AVD properties:
1. Device name.2. Target platform ( i.e. Android 2.3- level 9).3. You can choose a specific hardware.
April 12, 2023 Open source Training (Android Course) Adham Enaya
Any Question ?
Best,
