Installing eclipse & sdk

INSTALLING ECLIPSE
AND
ANDROID SDK

CT Muthumani

Requirements for our
Workspace:

* Java JDK/JRE
* Android SDK
* Eclipse IDE
* ADT Plugin for Eclipse

JAVA

Before you start developing a Android application,
make sure that you have installed Java on your
machine.
JDK 5 or JDK 6 (JRE alone is not sufficient)

ANDROID SDK

SDK include:
device emulator
Debugger
memory & performance profiling
plug-in for Eclipse IDE
You can download Android SDK from Android’s
Developer Website.
http://developer.android.com/sdk/index.html

ECLIPSE IDE

Eclipse is the most popular open source IDE for
developers.
It is written mostly in Java and can be used to
develop applications in Java and, by means of
various plug-ins, other programming languages.
It has plug-in support from Android for development.

ADT PLUG-IN FOR ECLIPSE
Android Development Tools (ADT) is a plug-in for the
Eclipse IDE that is designed to give you a powerful,
integrated environment in which to build Android
applications.
ADT extends the capabilities of Eclipse to let you quickly
set up new Android projects, create an application UI,
add components based on the Android Framework API,
debug your applications using the Android SDK tools
Now we have Installed Java on your machine, and
extracted out Eclipse to your preferred location.
Now we’ll configure our ADT Plugin with Eclipse.

Goto
Help > Install New Software

Location:
https://dl-ssl.google.com/android/eclipse/

Click on OK then Next. by this we have installed our ADT
Plugin into eclipse. Now we need to configure our plug-in.

Configuring ADT Plugin:
Goto Window > Preferences and select Android from the left
Panel

Installing Android Platform

Goto Eclipse’s Window > Android SDK and AVD Manager

You have three things in your left navigation
panel: Virtual devices, Installed packages, and
Available Packages.

AVD Configuration:
Goto Window > Android SDK and AVD Manager >
Virtual Devices

Click on New
In the pop up window, provide any Name for your plugin
The version of Android you want to use for your testing
purposes in Target field.
Finally click on Create AVD button, and you are done.

ACTIVITIES

●
Activities are stacked
●
like a deck of cards.
●
only one is visible
●
only one is active
●
new activities are
placed on top

Activities State
Active
At top of the stack
Paused
Lost focus but still visible
Can be killed
Stopped
Not at the top of the stack
Dropped
Killed to reclaim its memory

Views

Views are basic building blocks
Know how to draw themselves
Respond to events
Organized as trees to build up GUI
Described in XML in layout resources

Loading A Layout

Android complies the XML layout code that is later
loaded in code usually by

public void onCreate(Bundle savedInstance)
{
......
setContentView(R.layout.filename);
....
}

Intents
Intents are used to move from one Activity to another
Describes what the application wants
An Intent provides a facility for performing late
runtime binding between the codes in different
activity.

Services

Services run in the background
Wont interact with the user
Run on the main thread of the process
Is kept running as long as
– Is started
– Has connections

Notifications

Notify the user about events
Sent through NotificationManager
Types
– Persistent icon
– Turning LEDS

Content Providers

ContentProviders are objects that can
Retrive data
Store data
Data is available to all applications
Only way to share data across packages
Usually the back-end is SQLite
Data exposed as a unique URI

AndroidManifest.xml

Control file that tells the
system what to do
It is the glue that
actually specifies which
intents your Activities
receives
Specifies permissions

Installing eclipse & sdk

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