Android For Beginners
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Updated On 02 Feb, 19
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This android tutorial will talk about the main building blocks of Android.
These are the various components that are behind Android Applications.
Application components are the essential building blocks of an Android application. Each one is a unique building block that helps define your applications overall behavior.
There are four different types of application components explained below
An activity represents a single screen with a user interface.
For example, Your status updates page on Facebook is one Activity, your messages page is another Activity on Facebook. Each Activity is independent of the others.
A service runs in the background to perform long-running operations and it dont require a user Interface. For example, Music Player plays music in the background.
You can store the data in SQLite, on web etc. using Content Providers. For example, All your phone contacts are managed by Content Provider whether you save them on Google account or locally on the device.
They are very useful when you dont want to share your data with other components,
A broadcast receiver responds to system announcements. For example, low battery, screen has turned off, or capturing a picture.
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Sep 12, 2018
Excellent course helped me understand topic that i couldn't while attendinfg my college.
March 29, 2019
Great course. Thank you very much.