Android core concepts
This presentation is the property of its rightful owner.
Sponsored Links
1 / 9

Android core concepts PowerPoint PPT Presentation

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.

Download Presentation

Android core concepts

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

Android core concepts

Android core concepts

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

Android core concepts

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.

Android core concepts


• 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


• But in android app you can

arrange list of websites , it will act

as a desktop and you can easily

view many websites .

Android core concepts


• 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


• It can be reused in different


Android core concepts

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

Android core concepts


• Widgets

packaged as an part of application

• Thus


,activities and widgets which can

live on the home screen of the

Android Device





Android core concepts


• 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


• you can get access to GPS

from Android applications.

Android core concepts


• NO.84/8 Venkatrathinam Main street , LB

road , Adyar , chennai-600020

• Contact –9566293201


  • Login