Mobile Programmer

1. Dr. AlaaEddin Almabhouh
By : Eyad Almassri
Lecture 1: Android Introduction
2020

2. Learning Objectives
• The design goals for the Android™ operating
system
• The role of the Memory Manager and Virtual
Memory Manager
• The cooperation of the Android operating
system with Linux for memory, device,
processor, and network management
2

3. Introduction
• Android
– Designed to run mobile devices:
specifically smartphones and tablets
– Built on a Linux foundation
– Customizable user interface
• Allows user to customize app configurations
– Open source operating system
• Key elements, but not all, of the source code
are published
3

4. Brief History
• Android operating system
– Developed by Andrew E. Rubin.
• Initial challenges
– Phone battery power
limitations
– Small CPU
– Limited memory space
4

5. Brief History (cont’d.)
• Google purchased Android (2005)
• Rubin joined Google
• Android extended to reach entire
mobile smartphones and tablets
generations
– “More than 2.5 billion run active devices
have”
( 2019)
5

6. 6
The Android robot logo can be
used only according to terms
described in the Creative
Commons 3.0 Attribution
License..

7. Brief History (cont’d.)
• Android’s source code: available with
each new release
– Instructions at http://source.android.com
• Device’s Android version number and
Linux kernel version number
– Available under Systems menu
7

8. Open Handset Alliance
OHA
• The open handset alliance(OHA)
is a business alliance of firm to
develop open standard for
mobile devices.
• Devoted to advancing open
standards for mobile devices
• Develop technologies that will
significantly lower the cost of
developing and distributing
mobile devices and services.

9. Manufacturers: Designing
Android Devices
• Samsung
• Motorola
• Dell
• Sony Ericsson
• HTC
• LG
• Amazon
• Intel
• Texas Instruments
• ARM
• NVIDIA
• Qualcomm

10. Manufacturers: Designing
Android Devices (Cont’d)
• T-Mobile G1 by HTC:
– Released October 2008.
– First to ship Android handset.
• By Q4 2010, Android dominated the
smartphone market.
• As of May 2015:
– Android devices shipped to more than 160 countries.
– Google Play had more than 2.5 billion active users.
– Google Play had 80 billion app installs.

11. Android is Multi‐Platform
Android
runs on all
these
devices
Smartwatch
In-car console
Smartp
hone
Tablet
Televisi
on
This Class:
Focuses Mostly
on Smartphones!

12. The Android Marketplace: Where We
Are Now
• Competitive hardware and software feature
upgrades
• Expansion beyond smartphones
– Tablets
– Watches
– TVs
– Automobile dashboards
– Video game consoles
• Improved user-facing features

13. Android Wearables: Google Glass
 Head‐mounted display, displays information,
touch‐free
 Example application: Records babies life
steps
 Features:
 Touchpad (on side), camera for photoes
video, display, voice commands
 Google recently announced discontinuing
Google Glass

14. Android Hardware: TV
programming
 Smart, interactive TV platform (Android
5.0) featuring:
 Viewing recommendations based on
watching habits
 Media apps downloadable from Google
Play. E.g. Netflix streaming app
 Games
 Voice Search to answer questions. E.g.
which movies were nominated for
academy awards

15. Android Hardware: in‐Car
Entertainment and Navigation
System
 Example: Honda Connect system
 Integrated audio, phone, navigation,
information system
 Runs Android 4.0.4

16. Android versions
16

17. FEATURES OF ANDROID
• Background Wi-Fi location still runs even when
Wi-Fi is turned off
• Developer logging and analyzing enhancements
• It is optimized for mobile devices.
• It enables reuse and replacement of
components.
• Java support ,media support, multi touch, video
calling,multi tasking ,voice based features,
screen capture, camera ,bluetooth,gps,compass
and accelerometer,3G

18. •The ability for anyone to customize the Google
Android platform
•It gives you better notification.
•It lets you choose your hardware.
•It has better app market.
•A more mature platform With the support of
many applications, the user can change the
screen display.
•With Google chrome you can open many
window at once.
• Supports all Google services: Android operating
system supports all of Google services ranging from
Gmail to Google reader. all Google services can you
have with one operating system, namely Android.
ADVANTAGES

19. DIS-ADVANTAGES
• Android Market is less control of the manager,
sometimes there are malware.
• Wasteful Batteries, This is because the OS is a lot of
"process" in the background causing the battery
quickly drains.
• Sometimes slow device company issued an official
version of Android your own .
• Extremely inconsistence in design among apps.
• Very unstable and often hang or crash.