Developing the android application
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Developing the android application. Android. Operating system for mobile devices with a Java programming interface. Provides tools, e.g. a compiler, debugger, device emulator, and its own Java Virtual machine (DVM). Application Components Activity: present a visual user interface.

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Developing the android application

Developing the android application


Android

Android

  • Operating system for mobile devices with a Java programming interface.

  • Provides tools, e.g. a compiler, debugger, device emulator, and its own Java Virtual machine (DVM).

  • Application Components

    • Activity: present a visual user interface.

    • Services: run in the background without UI.

    • Broadcast Receivers: receives system messages. They can be used to react to changed conditions in the system

    • Content Providers: provide data to all applications. Android contains a SQLLite DB which can serve as data provider.


Installation

Installation

  • Download and Install the SDK

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

  • Download and Install Eclipse

  • Install ADT plug-in for Eclipse

  • Add Platforms (Version1.5 or 1.6)

  • Complete tutorials

    http://developer.android.com/resources/tutorials/hello-world.html


Programming assignment 1

Programming Assignment 1

  • Description

  • Develop an application that can turn on/off wifi connection.

    • The application checks current status of wifi connectivity.

    • The application displays a button and texts to allow turning on or off wifi.

    • The application turns on or off wifi connection when the button is clicked.

  • Hints

    • May need android.net.wifi package.

  • Due by Wednesday, Sep. 1 (Before the class)


Programming assignment 11

Programming Assignment 1

Start

If wifi is enabled.

If wifi is disabled.

Check the wifi status.

If “ON” button is clicked

----------

Set wifi enabled

Enabled

Disabled

If “OFF” button is clicked

----------

Set wifi disabled

Display texts

Create “OFF” button

Display texts

Create “ON” button


Annoucement

Annoucement

  • For assignment 1, you do NOT need to submit the screenshots!

  • TA (Grader) Office hours

    • T Th 10:30 am – 12 pm

  • Google group has been created.

    • Send email to [email protected] to get invited.

  • If you want to test your application with an android phone, come to my office during my office hours or make an appointment.


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