Android Operating System

1. Android

2. • Md. Shakil Mahmud – 152-15-5573
• Amit Kundu – 161-15-7149
• Khairul Alam Ovy-161-15-6979
• Mariea Akter-161-15-6711
Group Members

3. Introduction & History
Md. Shakil Mahmud – 152-15-5573

4. • Modified version of LINUX
• Most Popular OS
• Developed for applications
• Over 4 million apps
• Over 2 billion monthly users
• Android TV, Android Auto, Android Wear
• Best selling OS
• Open Source
Introduction

5. • Foundation
• Planned for Digital Camera
• Purchased by GOOGLE
• OHA
• Android beta
• First version of OS
History

6. Features & Architecture
Amit Kundu – 161-15-7149

7. • Rescue Party
• Turn on Wi-Fi Automatically
• Battery-Saving Background Restrictions
• Wi-Fi Aware
• Clear permissions system
Features of android operating system

8. Architecture

9. Applications
• You can install app on this layer.
• The Android provides a set of core applications:
▫ SMS Program
▫ Calendar
▫ Maps
▫ Browser
▫ Contacts
▫ Email Client
• All applications are written using the Java language.

10. Application Framework
• This framework is used by Developers.
• Provides Higher-level Services.
• Enabling and simplifying the reuse of components.

11. Architecture (Continue)
Khairul Alam Ovy – 161-15-6979

12. • Device Drivers.
• Memory management.
• Process management.
• Networking.
Linux Kernel

13. • C/C++ libraries.
• Interface through java
• Surface manager- Handing UI windows.
• 2D and 3D graphics.
• Media codes, SQLite, Browser engine
Libraries

14. • Dalvik vm
• Core libraries.
Runtime

15. • Android 1.0
• Android 1.1
• Android 1.5 (Cupcake)
• Android 1.6 (Donut)
• Android 2.0 (Eclair)
• Android 2.2 (Froyo)
• Android 2.3 (Girgerbread)
• Android 3.0 (Honeycomb)
• Android 4.0 (Ice Cream Sandwich)
Android Versions

16. Cont…
• Android 4.1, 4.2, 4.3 (Jelly bean)
• Android 4.4 (Kitakat)
• Android 5.0 (Lollipop)
• Android 6.0 (Marshmallow)
• Android 7.0 (Nougat)
• Android 8.0 (Oreo)

17. • Oreo
• i. 2x faster.
• ii. Minimize background.
• Iii. Smart text selection.
• Iv. Android instant apps.
• V. Increse battery life.
Cont…

18. Adventure Works: The ultimate source for outdoor equipment

19. Advantages & Disadvantages
Mariea Akter – 161-15-6711

20. • Android Google Develop
• Android Users – Billion of Users
• Multitasking
• Google Play Store App free Download for Android – Millions of Apps
• Notification – Easy Access
Advantages

21. • Advertisement
• Worse Battery Life
• Need of internet connection
• Malware/Virus
Disadvantages

22. Thank you