3. INTRODUCTION
• Android is a software stack for mobile devices that includes an
operating system, middleware and key applications.
• It is developed by Open Handset Alliance led by
• Google purchased the initial developer of the
software, Android Inc., in 2005.
• Android Distribution in 2007 was announced with the
founding of Open Handset Alliance.
• Google releases the Android code as open source, under the
Apache license.
• Android is open , free and 100% java phone.
5. FEATURES
• Storage - SQLite, a lightweight relational database , is used for data
storage purposes.
• Connectivity - Android supports connectivity technologies including
GSM/EDGE, IDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-Fi, LTE, NFC
and Wi MAX .
• Messaging - SMS and MMS are available forms of
messaging, including threaded text messaging.
• Multiple language support
• Web browser
• Java support
6. FEATURES (cont.)
• Voice based features - Google search through voice has been
available since initial release. Voice actions for
calling, texting, navigation, etc. are supported on Android 2.2
onwards.
• Media support - MP3, MPEG-4, AAC, WAV, PNG, JPEG , GIF , BMP
etc.
• Multi-touch
• Bluetooth
• Video calling
• Multitasking
10. • Hghest layer in the architecture
• Built-in standard applications
Phone Dialer
Email
Contacts
Web Browser
Messaging
Calendar
11.
12. • Surface Manager - manages access to the display
composites 2D and 3D graphic layers from
multiple applications.
• Media Libraries - support playback and recording
of many popular audio and video formats and
also static images.
• SQLite - a powerful and lightweight relational
database, used for storage purpose.
• SGL - Display/Graphics.
• Libc - Includes a set of C/C++libraries.
13. • Includes a set of core libraries that provides most of the
functionality available in the core libraries of the Java.
• Dalvik uses Java programming but not JVM.
• Dalvik VM executes files in the (.dex) format
14. • Android relies on Linux version 2.6 for core
system services such as device
drivers, security, memory
management, process management.
• The kernel also acts as an abstraction layer
between the hardware and the rest of the
software stack.
15. USES
Phones
HTC G1,
Droid, Tattoo Motorola Droid (X)
Suno S880 Samsung Galaxy Sony Ericsson
18. CONCLUSION
• Android is open to all : industry , developers and
users.
• Participating in many of the successful open
source projects.
• Aims to be as easy to build for as the web
• Google Android is stepping into the next level of
Mobile Internet.