Sunday, April 7, 2019

Android Spinner Tutotial

Spinner is a widget which provides a quick way to select a value from a set. A spinner presents multiple options/items to the user from which user can select one option.
For ex.  In game application when we want user to select a particular level he/she wants to play, we can use spinner to multiples levels in which can select one level.

Using Spinner

Steps to use spinner in your application
1: Defining the spinner in your .xml/layout file by using “Spinner” tag
<!—Declaring Spinner in xml -->

2: Create an array/arraylist of strings that will be set as the items of spinner.
String spinnerItems[]={"Level 1","Level 2","Level 3","Level 4","Level 5",};

3: Create adapter and set it with spinner
// Create adapter for spinner
ArrayAdapter  dataAdapter = new ArrayAdapter(this, android.R.layout.simple_spinner_item, spinnerItems);

// attaching data adapter to spinner

4: Set  clicklistener on Spinner
// set clicklistener on Spinner

5: override  onItemSelected() method, this method gets called by the System when an item is selected. This method receives the position parameter which signifies the index of the array/arraylist which is selected by the user.

 public void onItemSelected(AdapterView<?> parent, View view, int position, long id)
// get the selected Spinner's Item
            String itemSelected = parent.getItemAtPosition(position).toString();


Let put all this together and develop an android application to learn how to use spinner.

Demo Application: “Working with Spinner”

What we will do: We will present a list of levels “Level 1,Level 2,Level 3,Level 4,Level 5" to the user and show the level selected by the user using Toast.


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=""

        android:text="Select the Level"

    <!-- Spinner Element -->


public class SpinnerMainActivity extends Activity implements OnItemSelectedListener
     Spinner mySpinner;
      /* create array of string of levels
     * to be set as Spinner Item
    String spinnerItems[]={"Level 1","Level 2","Level 3","Level 4","Level 5",};
     protected void onCreate(Bundle savedInstanceState)
          // get the Spinner reference
               mySpinner = (Spinner) findViewById(;
               // set clicklistener on Spinner
              // Create adapter for spinner
          ArrayAdapter  dataAdapter = new ArrayAdapter(this, android.R.layout.simple_spinner_item, spinnerItems);

          // Drop down layout style - list view with radio button

          // attaching data adapter to spinner

     /* onItemSelected() method gets called by the System
      * when an item is selected
      * This method receives the position parameter
      * which signifies the index of the array
      * which is selected
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id)
              // get the selected Spinner's Item
              String itemSelected = parent.getItemAtPosition(position).toString();

              // Showing selected spinner item
              Toast.makeText(getApplicationContext(),  itemSelected+"  Selected", Toast.LENGTH_LONG).show();
          public void onNothingSelected(AdapterView view)
              // TODO Auto-generated method stub



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