Monday, 21 October 2013

What is the difference between Services, Thread and an AsyncTask in Android?

Thread Example n ANDROID -- Timer Thread Example
Non Runnable States in Multithreading - Different states while thread is in runnable states
What is a thread in java ?
How to write interfaces in java or Android?
More on Android ?

Service is like an Activity but has no interface. Probably if you want to fetch the weather for example you won’t create a blank activity for it, for this you will use a Service.

A Thread is a Thread, probably you already know it from other part. You need to know that you cannot update UI from a Thread. You need to use a Handler for this, but read further.

An AsyncTask is an intelligent Thread that is advised to be used. Intelligent as it can help with it’s methods, and there are two methods that run on UI thread, which is good to update UI components.

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