Android Fundamental Chapter 3 1

Android Development Fundamental Written by Soe Thiha Naung

AndroidDevelopmentFundamental

bySoe Thiha NaungMyanmar Links

www.myanmarlinks.net

License - http://creativecommons.org/licenses/by-nc-sa/4.0/

Page 53 Powered by Myanmar Links


Chapter 3

Java for Android

Native Android Development Java Programming Language Native Android Development Native Mobile Web Android Development C# Development Native Android Development Java Programming Language

What is Java?

Java Java JavaScript Java JavaScript Java Sun Microsystems Java Programming Language Language Platform Language Platform Sun Microsystems Java edition

1. Java SE (Java Platform, Standard Edition)2. Java EE (Java Platform, Enterprise Edition)3. Java ME (Java Platform, Micro Edition)

Sun Microsystems (Green Project) Green Project Star 7 Color LCD SPARC processor



OS Unix Language Oak Oak Programming Laugage Programming Language Java

Sun Microsystems Oracle Java Oracle Sun Microsystems Oracle Java

Java is a Language

Java C/ C++ Programming Language Java C C++


Illustration 1: James Gosling (from Wikipedia)


Java for Starter?

Java C / C++ BASIC Programming Language Visual Basic, Visual Basic 2003, C# PHP Programming Language

Java Programming Programming Programming Language Programmer

T-Parallel Model

T Parallel Model Myanmar Tutorials Ubuntu Loco Team T-Model



knowledge Special Model

PHP PHP Android



Myanmar Tutorials T-Parallel Model Model Specialized

PHP Specialized Android T-Parallel Model

Design Pattern Programming Level

Development Skill Set

Android Web Skill set

1. Coding Skill Set ( )2. Development Skill Set ( )3. Problem Solving Skill Set ( )4. Implementational Skill Set ( )

Slide UCSY IT Camp



Programmer Developer Java

Coding Skill Set ( )

Programming concept variable For Looping The best starter guide to PHP, to Java

Coding Skill Set Programming



Programming Myanmar Books

Development Skill Set ( )

Development Skill Development Skill Development Skill Set Programming Language

Foundation Level Development Skill Set

Programming Design Pattern Development Skill Set Development Skill Set Skill set Management Level Product



Problem Solving Skill Set ( )

Development Skill Set Problem Skill Set

Problem Solving Skill Set Self-study Problem Solving Skill Set Development Skill Set

Implementational Skill Set ( )

Implementational Skill Set Development Skill Set



Self-esteen

Development Skill Open Source Development Skill Set Development Skill Senior Programmner, Junior Programmer Documentation Project Management Skill Development Skill Java Fundamental

Java is a Platform

Java Programming Language Java Language Platform Java Platform Virtual Machine execution environment

Programming Language Program Windows exe Run Program Compile Computer Java Platform Java Program ...

( Java Programming Android Studio IDE Command Line Java Program Beginner IDE Java IDE



NetBean, Eclipse Android Studio IntelliJ Idea Community Edition Install )

Our first Java Program

public class HelloWorld { public static void main(String[] args) { System.out.println("Hello World"); }}

Hello World Java Program File HelloWorld.java Source Code Java Platform

Compile it to Byte Code

Java Program Java Compiler Program Byte Code Command Line

javacHelloWorld.java

HelloWorld.class Byte Code

file



HelloWorld.java .class file

Java File Java Compiler Compile Byte Code file

Running the Program with JVM (Java Virtial Machine)

Byte Code JVM JVM Computer Command Line

javaHelloWorld

Hello World java HelloWorld Android



JVM Android JVM JVM Dalvik VM Android Version ART JVM

JVM Java Program Run JVM JVM

Java Byte Code Java Runtime Environment (JRE) 1.2 Byte Code Interpret () Native Code ( )

JRE 1.2 WikiBooks Just In Time Compiler (JIT Compiler) JVM Interpreter Byte Code Run JIT Compiler JIT Compiler Native Code


Photo Credit: Java Fundamental WikiBooks


Byte Code Native code Process

JVM Class Loader Byte Code Verifier Class Loader .class Byte Code class file Memory Android App class memory class Garbage Collector Memory Optimization, CPU Optimization

Byte Code Verifier Byte Code class file JVM Byte Code Verifier code Verification Validation

JVM Native Optimization JVM

Dalvik VM or Android Runtime (ART) in Android

Dalvik VM Android Runtime (ART) Android Virtal Machine Android Environment Desktop Environment Run Memory CPU ( Moble Phone & Tablet Memory Processor ) JVM Dalvik Virtual Machine Android Android Runtime (ART) ( Android



Java )

Installing JDK and InjelliJ Idea (Community Edition)

Java Installation

Installation Instructions for Windows

1. Command Line Interface (Windows Key + R cmd Enter )

2. java -version Bad command or file name JDK

3. http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html Windows 64 bit 32 bit

4. Downlod Install 5. Installation Guide

http://docs.oracle.com/javase/7/docs/webnotes/install/index.html

Installation Instructions for Mac

Mac Install Windows

Installation Instructions for Ubuntu

Ubuntu Android Installation

IntelliJ Idea Installation

IntelliJ Idea Java Program IDE IntelliJ Idea Ultimate Edition Community Edition Ultimate Edition Java EE Java Entreprise Edition Community



Edition Standard Edition Link download

https://www.jetbrains.com/idea/download/

Install Windows Program Files Ubuntu Download folder bin folder terminal

./idea.sh

setting default OK



Create a New Project New Project

Project SDK Windows Mac



Ubuntu java-7-oracle

Next Create project from template Next JavaFun Finish



Finish IntelliJ Idea IDE Java

Java Programming Fundamental


Android Fundamental Chapter 3 1

Documents

Transcript of Android Fundamental Chapter 3 1