How to become an android developer

1. HOW TO BECOME
AN ANDROID DEVELOPER?
By : Ahmed Mohamed

2. About Me
 Freelancer Android and Java Developer.
 Entrepreneur working on Ma7tety startup.
 TIEC Ambassador at Minia University.
 ITI Ambassador at Minia University.
 Challenge Team CO-Founder.
 ‫جيش‬ ‫:عندى‬D

3. Ground Rules
Mobile phones
Understanding Level (Fist of Five)
Questions
Voting

4. Agenda
 What is the different between Smartphones and Featured phones.
 Sample Apps and Startups.
 Smartphones Operating Systems.
 What is Android and Why?
 Android Versions.
 Android Architecture.
 How to become Android Developer.
 Types of JAVA.
 Activities – Layouts – Views – Connect to database.
 Simple Project.

5. What is Smartphone ?
 Smartphones which includes
functions similar to those found
on personal computers.
 Smartphones provide a one
stop solution for information
management , mobile calls ,
email sending , and internet
access .

6. Entrepreneurship
Startups

7. Sample Apps

8. Arabic Apps (Startups)

9. Challenge 1

10. Applications with one Billion Downloads
Application Developer Date Reached
Gmail Google 2014-05-06
Google Maps Google 2014-05-28
Youtube Google 2014-07
Facebook Facebook 2014-09-02
Whatsapp Messenger Facebook 2015-03-04
Messenger Facebook 2015-06-06
Google Hangouts Facebook 2015-06-14
Google Chrome Facebook 2015-06-14
Instagram Facebook 2016-08-22

11. How to Earn Money from Android Apps?
 Advertising.
 In-app purchase.
 Partnerships & Sponsorships.
 Paid Apps.
 Mobile Data Analysis.
 White label.

12. Android Developer Jobs
 Your own startup
 Startup Competitions
 Hired in Company (as a developer)
 Freelancer
 Training and Mentoring

13. Smartphones Operating System
1- Android
2- Apple IOS
3- Windows Phone
4- BlackBerry OS
5- Amazon

14. Android as an Operating System

15. Number of Applications (Market Share)

16. Comparison between Android and IOS
Android IOS
Developer Google Apple
Initial release September 23, 2008 July 29, 2007
Source model Open Source Closed Source
Available on Many phones and
tablets, including Kindle
Fire(modified android),
LG, HTC, Samsung,
Sony, Motorola, Nexus,
and others. Also,
Google Glasses
iPod Touch, iPhone,
iPad, Apple TV (2nd
and 3rd generation)
Messaging Google Hangouts iMessage
App store Google Play Apple Store

17. Comparison between Android and IOS
Android IOS
OS family Linux OS X, UNIX
Programmed in C, C++, Java C, C++, Objective-C,
Swift
Internet browsing Google Chrome Mobile Safari
Voice commands Google Now Siri
Maps Google Maps Apple Maps
Available language(s) 32 Languages 34 Languages
Device manufacturer Google, LG, Samsung,
HTC, Sony, ASUS,
Motorola, and many
more
Apple Inc

18. What is Android ?
 Android is an operating system
for mobile devices such
as smartphones and tablet
computers.
 Android has beaten Apple iOS,
being the leading mobile
operating system from first
quarter of 2011

19. Why Android ?
Open Source
Large Developer
Community Reach
Increased
Marketing
Reduced Cost of
Development
Rich Development
Environment
Higher Success
Ratio

20. Android runs on these devices
Smartphones Tablets Android TV
Android Wear Google Glasses

21. Challenge 2

22. Android Versions

23. Android Architecture

24. Dalvik Java Virtual Machine (JVM)
Java Source
Code
Java Byte
Code
Java Virtual
Machine (JVM)
Java Source
Code
Java Byte
Code
Dalvik Byte
Code
Dalvik Virtual
Machine (VM)
Java
Compiler
Java
Compiler
Dex
Compiler
Stack-based
byte-code
Register-based
byte-code
Java Standard Edition

25. Android Activity Life Cycle

26. Your Way to Android
 Building native applications means
using the native language of the
platform such as Java on Android.
 The main advantage of native
applications is their performance .
 Best performance includes fast and
fluid animations as well as full access
to phone hardware, multi touch
support and the latest APIs.
 Hybrid applications are web
applications (or web pages) in the
native browser, such as WebView in
Android.
 Hybrid apps are developed using
HTML, CSS and Javascript, and then
wrapped in a native application using
platforms like Cordova.
Native Hybrid

27. How to Become Android Developer ?
 Step 1 : Learn Programming Basics (Java).
 Step 2 : Learn OOP concepts (Java).
 Step 3 : Learn Android Layouts Design (XML).
 Step 4 : Learn how to connect Design (XML) to
Programming.
 Step 5 : Learn how to connect with internal and external
databases.(SQL , Web service).
 Step 6 : Learn Material Design and Support multi screens.

28. Types of Java
 Java Standard Edition (Java SE)
Example : Standalone Applications Like
Paint , Library Management System
 Java Enterprise Edition (Java EE)
Example : Web Applications Like Online
Hotel Reservation System
 Java Micro Edition (Java ME)
Example : Smart Cards

29. Java Important Terms
 Basic Data Types
 Basic Operations
 Decision Making (IF)
 Loop Control
 Strings
 Arrays
 Classes and Objects
 Inheritance
 Polymorphism
 Abstraction
 Encapsulation
 Packages
 Methods

30. What we need to Practice Android ?
 Install JDK 7 or 8 .
 Install Android Studio .
 Download SDK and APIs Package
 Create Emulator (AVD , Genymotion , Real
Device).

31. Technologies used in Mobile Apps
 Virtual reality
 Internet of Things
 Image Processing
 Cloud Computing
 Unity 2D , 3D
 Artificial Intelligence

32. Plan to study Android
Course Beginner Intermediate
Java Basics 2 Months 1 Month
Java OOP 2 Months 1 Month
Android Basics 2 Months 1 Month
Database (SQLite) 1 Month 15 Days
Web Service 1 Month 15 Days
Build First Android App 1 Month 15 Days
Build Second Android App 1 Month 15 Days
Total 10 Months 5 Months

33. Events

34. Download and Install JDK
 Open Oracle Official Website .
 Choose the suitable jdk package .
 http://www.oracle.com/technetwork/java/javase/downloads/index.html
 Double Click on the downloaded file and install it .
 Go to C:Program FilesJava To make sure .

35. Download and Install Android Studio
 Open Android Official Official Website
.
 Download Android Studio
 https://dl.google.com/dl/android/studio/install/1.5.1.0/android-
studio-bundle-141.2456560-windows.exe
 Double Click and Install it.

36. Download and Install Android Studio

37. Download and Install Android Studio

38. Download and Install Android Studio

39. Download and Install Android Studio

40. Create a Project

41. Create a Project

42. Create a Project

43. Create a Project

44. Create a Project

45. Activities
 An Activity corresponds to a single screen of
the Application.
 An Application can be composed of multiples
screens (Activities).
 The Home Activity is shown when the user
launches an application.
 Different activities can exhange information
one with each other.
Hello
World!
Android
HelloWorld
Button1

46. Layouts
 Relative Layout
 Linear Layout
 Table Layout
 Frame Layout

47. Views
 ImageView
 Buttons
 EditText
 TextView

48. Connect with Database
Internal Database
 SQLite
 XML
External Database
 Web Service
 Firebase
 Json

49. Create Emulator
Android Studio AVD
Genymotion
Real Device

50. Resources to Start Android
 MAL - Mobile Application Launchpad
http://www.mobileapplaunchpad.com.eg/
 Udacity Courses
https://www.udacity.com/courses/android
 Android Official Website
http://developer.android.com/index.html
 Tutorialspoint Android
http://www.tutorialspoint.com/android

51. Contacts
Blog : www.ahmedmohamedali.blogspot.com
linkedin : https://linkedin.com/in/umadeveloper
Facebook : www.fb.com/um.adeveloper
Twitter : www.twitter.com/um_adeveloper
Email : ahmedmoh93@gmail.com

52. Any Question ?
Thanks