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Android Operating System

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Amit Kundu

The document provides information about Android, including: - A brief history of Android starting as a modified version of Linux and being purchased by Google. - An overview of Android features such as automatic Wi-Fi turning on and battery saving restrictions. - Details on Android architecture including its Linux kernel, libraries, runtime environment, and applications layer. - Lists versions of Android from 1.0 to the current 8.0 (Oreo). - Highlights advantages like a large user base and app selection, and disadvantages like potential for advertisements and worse battery life.

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Overview of Operating Systems
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Android
• Md. Shakil Mahmud – 152-15-5573 • Amit Kundu – 161-15-7149 • Khairul Alam Ovy-161-15-6979 • Mariea Akter-161-15-6711 Group Members
Introduction & History Md. Shakil Mahmud – 152-15-5573
• 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
• Foundation • Planned for Digital Camera • Purchased by GOOGLE • OHA • Android beta • First version of OS History
Features & Architecture Amit Kundu – 161-15-7149
• Rescue Party • Turn on Wi-Fi Automatically • Battery-Saving Background Restrictions • Wi-Fi Aware • Clear permissions system Features of android operating system
Architecture
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.
Application Framework • This framework is used by Developers. • Provides Higher-level Services. • Enabling and simplifying the reuse of components.
Architecture (Continue) Khairul Alam Ovy – 161-15-6979
• Device Drivers. • Memory management. • Process management. • Networking. Linux Kernel
• C/C++ libraries. • Interface through java • Surface manager- Handing UI windows. • 2D and 3D graphics. • Media codes, SQLite, Browser engine Libraries
• Dalvik vm • Core libraries. Runtime
• 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
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)
• Oreo • i. 2x faster. • ii. Minimize background. • Iii. Smart text selection. • Iv. Android instant apps. • V. Increse battery life. Cont…
Adventure Works: The ultimate source for outdoor equipment
Advantages & Disadvantages Mariea Akter – 161-15-6711
• Android Google Develop • Android Users – Billion of Users • Multitasking • Google Play Store App free Download for Android – Millions of Apps • Notification – Easy Access Advantages
• Advertisement • Worse Battery Life • Need of internet connection • Malware/Virus Disadvantages
Thank you

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Android Operating System

  • 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
  • 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.
  • 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