HOW TO BECOME AN ANDROID DEVELOPER?By : Ahmed Mohamed

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 D: عندى

Ground Rules

Mobile phonesUnderstanding Level (Fist of Five)QuestionsVoting

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.

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 .

Entrepreneurship

Startups

Sample Apps

Arabic Apps (Startups)

Challenge 1

Applications with one Billion Downloads

Application Developer Date ReachedGmail Google 2014-05-06Google Maps Google 2014-05-28Youtube Google 2014-07Facebook Facebook 2014-09-02Whatsapp Messenger

Facebook 2015-03-04

Messenger Facebook 2015-06-06Google Hangouts Facebook 2015-06-14Google Chrome Facebook 2015-06-14Instagram Facebook 2016-08-22

How to Earn Money from Android Apps?

Advertising. In-app purchase. Partnerships &

Sponsorships. Paid Apps.  Mobile Data Analysis. White label.

Android Developer Jobs

Your own startupStartup CompetitionsHired in Company (as a developer)Freelancer Training and Mentoring

Smartphones Operating System

1- Android 2- Apple IOS3- Windows Phone 4- BlackBerry OS5- Amazon

Android as an Operating System

Number of Applications (Market Share)

Comparison between Android and IOS

Android IOS Developer Google AppleInitial release September 23,

2008July 29, 2007

Source model Open Source Closed SourceAvailable 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 iMessageApp store Google Play Apple Store

Comparison between Android and IOS

Android IOSOS family Linux OS X, UNIXProgrammed in C, C++, Java C, C++, Objective-

C, SwiftInternet browsing Google Chrome Mobile SafariVoice commands Google Now SiriMaps Google Maps Apple MapsAvailable language(s)

32 Languages 34 Languages

Device manufacturer

Google, LG, Samsung, HTC, Sony, ASUS, Motorola, and many more

Apple Inc

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

Why Android ?

Open Source

Large Developer Community

Reach

Increased Marketing

Reduced Cost of Development

Rich Development Environment

Higher Success Ratio

Android runs on these devices

Smartphones Tablets Android TV

Android Wear Google Glasses

Challenge 2

Android Versions

Android Architecture

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)

JavaCompiler

JavaCompiler

DexCompiler

Stack-basedbyte-code

Register-basedbyte-code

Java Standard Edition

Android Activity Life Cycle

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

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.

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

Java Important Terms

Basic Data Types Basic Operations Decision Making (IF)Loop ControlStrings Arrays

Classes and Objects InheritancePolymorphismAbstractionEncapsulationPackagesMethods

What we need to Practice Android ?

Install JDK 7 or 8 .Install Android Studio .Download SDK and APIs PackageCreate Emulator (AVD , Genymotion ,

Real Device).

Technologies used in Mobile Apps

Virtual reality Internet of Things Image Processing Cloud Computing Unity 2D , 3D Artificial Intelligence

Plan to study Android

Course Beginner IntermediateJava Basics 2 Months 1 MonthJava OOP 2 Months 1 MonthAndroid Basics 2 Months 1 MonthDatabase (SQLite) 1 Month 15 DaysWeb Service 1 Month 15 DaysBuild First Android App 1 Month 15 DaysBuild Second Android App

1 Month 15 Days

Total 10 Months 5 Months

Events

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 Files\Java To make sure .

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.

Download and Install Android Studio

Download and Install Android Studio

Download and Install Android Studio

Download and Install Android Studio

Create a Project

Create a Project

Create a Project

Create a Project

Create a Project

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

Layouts

Relative LayoutLinear LayoutTable LayoutFrame Layout

Views

ImageViewButtons EditTextTextView

Connect with Database

Internal Database SQLiteXML

External Database

Web Service Firebase Json

Create Emulator

Android Studio AVD Genymotion Real Device

Resources to Start Android

MAL - Mobile Application Launchpad http://www.mobileapplaunchpad.com.eg/ Udacity Courses https://www.udacity.com/courses/android Android Official Websitehttp://developer.android.com/index.html Tutorialspoint Android http://www.tutorialspoint.com/android

Contacts

Blog : www.ahmedmohamedali.blogspot.comlinkedin : https

://linkedin.com/in/umadeveloperFacebook : www.fb.com/um.adeveloperTwitter : www.twitter.com/um_adeveloperEmail : ahmedmoh93@gmail.com

Any Question ?Thanks