Introduction to Android Programming-Part1 %5BCompatibility Mode%5D

7/31/2019 Introduction to Android Programming-Part1 %5BCompatibility Mode%5D

1/17

Singapore Android Developer Challenge

Introduction to Android Programming

By: Tee Meng Kem and Sun Jian

Email : [email protected] [email protected]


2/17

AGENDA

Day 19.00am 9.30am : Introduction and Overview of Android

9.30am 12.30pm : Android Application, User Interface/Activity,

Resources and Assets, Permissions

12.30 m 1.30 m : Lunch

1.30pm 2.30pm : Intents, Thread

2.30pm 3.00pm : Storage (files and databases)

. . -

Android Developer Competition


3/17

AGENDA

Day 29.00am 10.30am : Input Handling & Sensors

10.30am 12.00pm : Network / WiFi /BT

12.00pm 1.00pm : Gaming

1.00 m 2.00 m : Lunch

2.00pm 5.00pm : Hands-on



4/17

Introduction and Overview

Day 19.00am 9.30am : Introduction and Overview of Android

9.30am 12.30pm : Android Application, User Interface/Activity,

Resources and Assets, Permissions

12.30 m 1.30 m : Lunch

1.30pm 2.30pm : Intents, Thread

2.30pm 3.00pm : Storage (files and databases)

. . -



5/17

Useful Links for Android

Useful links that you can find online:

Android Developer Guide

http://developer.android.com/guide/index.html

API References

http://developer.android.com/reference/packages.html

Motorola Developer Network

htt ://develo er.motorola.com

Google Developer Conference IO Session



6/17

Useful Links for Android

Useful links that you can find online:

Eclipse IDEhttp://www.eclipse.org/downloads/

Android SDK

http://developer.android.com/sdk/index.html

ADT Plugin for Eclipsehttp://developer.android.com/sdk/eclipse-adt.html

Android Platformhttp://developer.android.com/sdk/adding-components.html



7/17

Android An Evolution

AndroidTM

is a new runtime environment fromGoogle Inc.

Android is based on TM JavaTM language based middleware



8/17

Ex: Device drivers, networking (WiFi, Bluetooth), filesystem and memory management, process model

Open Source Libraries:

Ex: WebKit, SQLite, OpenGL, FreeType, etc.

Java Language and Middleware (Dalvik VirtualMachine)

All Android applications (system and user) are writtenin Java.



9/17



10/17

All applications are equal

All applications (pre-loaded and 3rd

party) are written in Javaand use the same APIs

VM and unique user ID

All applications can run concurrently or in the background

Applications have access to device APIs

Sensors like accelerometer, compass, GPS, etc.

Declarative Android UI based on XML layout files



11/17

Android Application

Android applications are packaged as ZIP files with theextension .apk (Android Package)

AndroidManifest.XML (Similar to Jar Manifest, but more

details)c asses. ex ass es conver e o a v orma

resources (localized strings and graphic files)

Other meta information files

APK files are generated by using the Android Asset Packing



12/17

Android

Activity:

An Activity is the most basic building block of an applicationTypically an application has one or more Activities

When user switches the view to a different activity, the current

activity is put to paused state



13/17

Android

pp ca on oncep s Service:

Services are background tasks which execute without a UI,such as media players, download managers, etc.

-interface defined in an IDL

o e: n ro , par y app ca ons can an are encourageto) re-use and/or replace system components!


14/17

Android

Content Providers:

Components which share data, typically abstract access toapplication database (e.g. Contacts).

Broadcast Receivers:

Code which is executed for system wide broadcastmessages, like picture taken, low battery, etc.

Think of them as a way to respond to external notifications

Applications can invent and broadcast their own Intents aswell



15/17

Intents:

Asynchronous communication mechanism betweencomponents


16/17

Co ri h Copyright 2009-2010, Motorola, Inc. All rights reserved except as otherwise explicitly indicated.

The information offered in this article is offered on an AS IS basis, WITHOUT WARRANTIES ORCONDITIONS OF ANY KIND either expressed or implied. In addition, Motorola disclaims allliability from the use or inability to use the information provided. The entire risk as to the quality

.sample code in the form of example applications and code fragments.

Motorola grants you a limited personal, non-exclusive, and revocable license to: (i) use the samplesource code internall to develo test evaluate and demonstrate software a lications for usesolely with or on Motorola wireless handset products, and (ii) incorporate the sample source codeinto the applications and distribute the applications in binary form only, provided that you includeany copyright notice that appears in the sample source code.



17/17

License

cense un er e pac e cense, ers on . e cense ; you may no use s e excep

in compliance with the license. You may obtain a copy of the license athttp://www.apache.org/licenses/LICENSE-2.0 .

,distributed on an AS IS BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,either expressed or implied. See the License for the specific language governing permissions and

limitations under the License.


Date post:	04-Apr-2018
Category:	Documents
Upload:	duong-le-trung
View:	237 times
Download:	0 times

Introduction to Android Programming-Part1 %5BCompatibility Mode%5D

Documents