7/31/2019 Seminar Android 01 Intro

1/24

Overview of Android

ProgrammingMarch 3, 2012

7/31/2019 Seminar Android 01 Intro

2/24

7/31/2019 Seminar Android 01 Intro

3/24

Overview of Android

ProgrammingInstallation

7/31/2019 Seminar Android 01 Intro

4/24

Installing

1. J2SE JDK

7/31/2019 Seminar Android 01 Intro

5/24

Installing

2. Android SDK

7/31/2019 Seminar Android 01 Intro

6/24

Installing

2. Android SDK

7/31/2019 Seminar Android 01 Intro

7/24

Installing

2. Android SDK

7/31/2019 Seminar Android 01 Intro

8/24

Installing

3. Eclipse Classic

7/31/2019 Seminar Android 01 Intro

9/24

Installing

4. ADT

7/31/2019 Seminar Android 01 Intro

10/24

Installing

4. ADT

7/31/2019 Seminar Android 01 Intro

11/24

Installing

4. ADT

7/31/2019 Seminar Android 01 Intro

12/24

7/31/2019 Seminar Android 01 Intro

13/24

Installing

5. Configuring Eclipse

7/31/2019 Seminar Android 01 Intro

14/24

7/31/2019 Seminar Android 01 Intro

15/24

Overview of Android

ProgrammingIntroductory Concepts

7/31/2019 Seminar Android 01 Intro

16/24

Android Architecture

7/31/2019 Seminar Android 01 Intro

17/24

Introductory Concepts Features:

Application framework reuse and replacement of components

Dalvik virtual machine optimized for mobile devices

Integrated browser

open source WebKit engine Optimized graphics

custom 2D graphics library 3D graphics based on the OpenGL ES 1.0

specification

7/31/2019 Seminar Android 01 Intro

18/24

Introductory Concepts

SQLite

structured data storage

Media support for common audio, video, and stillimage formats (MPEG4, H.264, MP3, AAC, AMR,JPG, PNG, GIF)

hardware dependent features

GSM Telephony

Bluetooth, EDGE, 3G, and WiFi

Camera, GPS, compass, and accelerometer

7/31/2019 Seminar Android 01 Intro

19/24

Introductory Concepts

Rich development environment

device emulator

tools for debugging

memory and performance profiling

plugin for the Eclipse IDE

7/31/2019 Seminar Android 01 Intro

20/24

Introductory Concepts

Application Fundamentals

Java

Android package (.apk)

Sandboxed

Manifest, resources, components (Activities,Services, Content providers, Broadcast receivers)

7/31/2019 Seminar Android 01 Intro

21/24

Introductory Concepts

Activities

represents a single screen with a user interface

when new activity starts, it is pushed onto theback stack

UI can be built with XML or Java

Lifecycle callback methods

onCreate(), onStart(), onResume(), onPause(),onStop(), and onDestroy()

applications can contain multiple activities

7/31/2019 Seminar Android 01 Intro

22/24

Introductory Concepts

Services

perform long running operations in the

background

no UI

runs independently of the component that createdit

can be bound to by other application components

7/31/2019 Seminar Android 01 Intro

23/24

Introductory Concepts

Content Providers

store and retrieve data and make it accessible to

all applications

only way to share data across applications

data is exposed as a simple table

exposes a public URI that uniquely identifies itsdataset

7/31/2019 Seminar Android 01 Intro

24/24

Introductory Concepts

Broadcast Receivers

responds to system-wide broadcast

announcements Ex: low battery charge

applications can initiate their own broadcasts

no UI but can create bar notifications