To keep things simple, we can understand AsyncTask like AJAX that we already know. We create a simple example. In this example we are going…

We create an simple example to learn how to check if a service is running. In this example, we learn how to use Handler and…

A Service is an application component used to perform long-running tasks in background. There are 2 types of Service: Bound Service: A bound service is…

We learn about android.os.Bundle by using some simple examples: Example 1: Step 1: create new project Target android device Add an activity to mobile: Customize…

We can use custom ArrayAdapter with Spinner: Step 1: create new project Step 2: create new drawable resource res\drawable\logots.png Use this file for example: Step…

To learn about Spinner, we create a simple example for Spinner. Step 1: create new project Step 2: with file content_main.xml Create a Spinner: Step…

We can cache view lookup for improve performance, here’s the solution: View lookup cache: The custom ArrayAdapter Here’s the full code of file MainActivity.java The…

In the previous tutorial, we learn how to use ListView using a basic ArrayAdapter. Now we learn how to use ListView using a custom ArrayAdapter.…

To learn about ListView, we create some simple examples for ListView. Example 1: Simple ListView Step 1: create new project Step 2: File content_main.xml Add…