Android core concepts
Download
1 / 9

Android core concepts - PowerPoint PPT Presentation


  • 88 Views
  • Uploaded on

In this Presentation I have added significance of Android concepts which will be useful for the beginners to how to use those features as well as for developers.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Android core concepts' - harshaa


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Android core concepts

http://www.peridotsystems.in/


Android core concepts

• Having a basic understanding of the Android’s core concepts it

will help you to make different topics.

• They are

• Apps and APK files

• Activities

• Fragments

• Views and view groups

• Layout XML files

• widgets

• Sensors


Apps and APK files

• The android app is an application which is present in APK

(Android application package).

• Thus APK file contains compiled java code, texts and

images of Android application.


Activities

• Thus Android Activity is a GUI

component , it is very much

complicated work in doing smart

phones because it does not have

enough space when compare to

desktop.

• But in android app you can

arrange list of websites , it will act

as a desktop and you can easily

view many websites .


Fragments

• Fragments is a total user

interface and it only takes up

the part of the screen

• Fragments are mainly used in

inside activities

• Fragments are typically contains

views and viewgroups inside

them

• It can be reused in different

activities


Layout XML files

• Activities , fragments and some

view groups can use XML files to

define their layout and contents

• XML files will help you to find

out what GUI component or

fragment contains , as well as

styling of GUI


widgets

• Widgets

packaged as an part of application

• Thus

viewgroups,

,activities and widgets which can

live on the home screen of the

Android Device

are

implemented

and

fragments


Sensors

• Android devices typically

have a set of sensors built

in which you can access

from Android applications

• For example GPS is act as a

sensor in many smart

phones

• you can get access to GPS

from Android applications.


Communication

• NO.84/8 Venkatrathinam Main street , LB

road , Adyar , chennai-600020

• Contact –9566293201

• http://www.peridotsystems.in/


ad