7/29/2019 beginning of android development

1/23

Beginning Android Development

Lawrence Sing Wong

LawrenceSWong@gmail.commetawave.wordpress.com

mailto:LawrenceSWong@gmail.commailto:LawrenceSWong@gmail.commailto:LawrenceSWong@gmail.com

7/29/2019 beginning of android development

2/23

Goals

Android Ecosystem

Android Platform

Hands-on Android Development Resources

7/29/2019 beginning of android development

3/23

Introduction

Android - An Open Platform for MobileDevelopment

Open Handset Alliance

Android Stack

Native Apps vs Web Apps

7/29/2019 beginning of android development

4/23

Open Platform for MobileDevelopment

Open Source

Royalty-free : Free as in beer

Free to fork : Free as in speech No approval needed for Android Market

Free to download from multiple sources

but..

7/29/2019 beginning of android development

5/23

OHA

Members

Google NARMHP

7/29/2019 beginning of android development

6/23

Android Stack

Diagram

Platform built upon Linux 1 process per application

Java, c/c++

Vs iOS, WinPhone7, MeeGo, Symbian, Bada

7/29/2019 beginning of android development

7/23

Android and Java

NOT JavaME

Dalvik JVM instead of JVM - register-based vs stack-based

- more efficient and compact implementation.

Reuse through Intent

7/29/2019 beginning of android development

8/23

Getting Started

Downloads

Android SDK Features Hello World Example

7/29/2019 beginning of android development

9/23

IDE

Eclipse 3.5

Android ADT Plugin JDK 5.0/6.0

AVD setup

Emulator

7/29/2019 beginning of android development

10/23

Hello World

New Project

Android Manifest Activity

R.java, main.xml, strings.xml, ...

7/29/2019 beginning of android development

11/23

Phone

How to setup for development

Phone vs Emulator

7/29/2019 beginning of android development

12/23

Next examples

To-Do List Example

Android Development Tools

7/29/2019 beginning of android development

13/23

Development Tools

Debugger

DDMS adb

7/29/2019 beginning of android development

14/23

DDMS

Screen capture

File structure

Send messages to emulator

7/29/2019 beginning of android development

15/23

Command Line

adb command

uninstall logcat

7/29/2019 beginning of android development

16/23

Applications and Activities

What makes an Android Application?

Android Manifest

Application Life Cycle

7/29/2019 beginning of android development

17/23

Activity

UI thread

Presents window to user

Life-cycle diagram Managed by Android

7/29/2019 beginning of android development

18/23

Intents

Introducing Intents

Implicit Intents

Explicit Intents Extras

7/29/2019 beginning of android development

19/23

Others

Service

Broadcast Receiver

Content Provider Adapter

7/29/2019 beginning of android development

20/23

User Interfaces

Basic UI Design

Views

Layouts

7/29/2019 beginning of android development

21/23

Markets

Android Market Share

SDK versions and percentages

Android Market Job Market

7/29/2019 beginning of android development

22/23

But which is the best..

OS? Linux, Win7 or Mac?

Phone? http://www.google.com/phone/#

7/29/2019 beginning of android development

23/23

Resources

developer.android.com

android.git.kernel.org

code.google.com stackoverflow.com

http://www.google.com/phone/#