Android Development

Android
Development
www.compwerks.blogspot.com
jm22_h@twitter.com
Disclaimer: this presentation is solely for educational purposes only, all rights are reserved for all the respective owner of each content found in this presentation

Outline
 Mobile Applications
 Android Platforms
 Google Play
 System Architecture
 Installation
Requirements
IDE
Plugin – Android SDK
Manager
 Development
Hello World
ADB
MVC
AVD Manager
Activities
Fragments
 Native vs Web vs Hybrid

Top 5 Smart Phones for Android
Group Test Results (Android Definitive Guide)
1.Motorola
2.Samsung
3.Alcatel
4.Sony
5.LG

Android Platforms
 Each platform release includes system images
that support a specific processor architecture,
such as ARM EABI, Intel x86 or MIPS. Platform
releases also include a system image that contains
Google APIs. The SDK Manager lists available
platform system images under each platform
version header, for example:
 ARM EABI v7a System Image
 Intel x86 Atom System Image
 MIPS System Image
 Google APIs

Android
Android 1.0
Cupcake
Donut
Éclair
Froyo
Gingerbread
Honeycomb
Ice cream
sandwich
Jellybean

Google Play
 Google Play (Google Market)
 Android Package File

Publishing an App to google play
 It is important that you have an existing
account in google play
 You must have a credit card and is willing to
pay 25$ for registration
 https://play.google.com/apps/publish/signup/

 All applications must be signed. The
system will not install an application on
an emulator or a device if it is not signed.
 To test and debug your application, the
build tools sign your application with a
special debug key that is created by the
Android SDK build tools.
 When you are ready to release your
application for end-users, you must sign it
with a suitable private key. You cannot
publish an application that is signed with
the debug key generated by the SDK tools.
 You can use self-signed certificates to sign
your applications. No certificate authority
is needed.
 The system tests a signer certificate's
expiration date only at install time. If an
application's signer certificate expires
after the application is installed, the
application will continue to function
normally.
 You can use standard tools — Keytool and
Jarsigner — to generate keys and sign your
application .apk files.
 After you sign your application for
release, we recommend that you use the
zipalign tool to optimize the final APK
package.

Requirements
1. A completed Android application
project in Eclipse or an already
created “.apk” file
2. An Internet connection
3. A credit/debit card to pay for
Google Developer license
4. At least two screenshots of the
app, stored on your computer
5. Establishing Your Android File
 Keystore
 Password
 Validity
 An Alias
6. Uploading your application in
google console
 Uploading your APK file
 Adding description
 Adding Screen Shot
 Store Listing Icon
 Filling additional Details

Requirements
 Java Development Kit
Latest version is 8 but
for development use 7
instead
jdk1.7.x
 ADT bundle (Android
Development Kit)
 Configure System
Environment Variable
 Additional Plugins
 Virtual System
 SDKs for different API
(Application
Programming Interface)
 etc…

Configuration of JDK to Path
Environment Variables

Configuration of Java to Path

http://developer.android.com/

Installation of ADT Bundle
 Extract the zip file in a selected directory
 Contents of the ADT bundle

Configuration of ADT tools to Path
 Find the directory of the platform-tools
 And Find the directory of the tools

Configuration of ADT tools to Path

IDE (Integrated Development
Environment)
Eclipse (Juno)
Go to the eclipse folder and look for
eclipse.exe
Create a shortcut for that to your
desktop
Plugin Installation (SDKs for each API,
Virtual System, etc)

Plugin Installation – Android
SDK Manager
The Android SDK separates tools, platforms, and other
components into packages you can download using the
SDK Manager.
For example, when the SDK Tools are updated
or a new version of the Android platform is released,
you can use the SDK Manager to quickly download them to
your environment.

Plugin Installation – Android SDK
Manager

Creating your first Project - HelloWorld

Model View Controller (MVC)
MODEL CONTROLLER VIEW
Manifest java xml

Android SDK Manager and
Android Virtual Device Manager

AVD
An Android Virtual Device (AVD) is
an emulator configuration that lets
you model an actual device by
defining hardware and software
options to be emulated by the
Android Emulator.

Android Debug Bridge
 Android Debug Bridge (adb) is a versatile command line
tool that lets you communicate with an emulator instance
or connected Android-powered device. It is a client-server
program that includes three components:
 A client, which runs on your development machine. You can
invoke a client from a shell by issuing an adb command.
Other Android tools such as the ADT plugin and DDMS also
create adb clients.
 A server, which runs as a background process on your
development machine. The server manages communication
between the client and the adb daemon running on an
emulator or device.
 A daemon, which runs as a background process on each
emulator or device instance.

An activity is a single,
focused thing that
the user can do, it
represents a single
screen in your app

Intent
A.k.a. intention to do
something, enable an
application to transfer
from one activity to
another

Fragments
A Fragment represents a
behaviour or a portion of user
interface in an Activity

Native vs Web vs Hybrid
Native
Web
Performance
Platform Independence

Native vs Web vs Hybrid
Hybrid

Phonegap – html5, javascript, css

Thank You!
Disclaimer: this presentation is solely for educational purposes only, all rights are presereved for all the respective owner of each content found in this presentation

Android Development

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