Spinner (II) -- complete example of simple use

Spinner (II) -- complete example of simple use

MainActivity is as follows:

Package cc. test; import android. app. activity; import android. OS. bundle; import android. view. view; import android. widget. adapterView; import android. widget. arrayAdapter; import android. widget. spinner; import android. widget. adapterView. onItemSelectedListener;/*** Demo Description: * Complete example for simple use of the Spinner ** note: * simple_spinner_item and simple_spinner_dropdown_item * both use the layout provided by the system */public class TestSpinnerActivity extends Activity {private Spinner mSpinner; private ArrayAdapter
 
  
MAdapter; private String [] mStringArray; @ Override public void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. main); init ();} private void init () {mSpinner = (Spinner) findViewById (R. id. spinner); mStringArray = getResources (). getStringArray (R. array. test_string_array); mAdapter = new ArrayAdapter
  
   
(This, android. r. layout. simple_spinner_item, mStringArray); // set the drop-down list style mAdapter. setDropDownViewResource (android. r. layout. simple_spinner_dropdown_item); mSpinner. setAdapter (mAdapter); // listens to the mSpinner event selected by the Item. setOnItemSelectedListener (new ItemSelectedListenerImpl ();} private class ItemSelectedListenerImpl implements OnItemSelectedListener {@ Overridepublic void onItemSelected (AdapterView
   Arg0, View view, int position, long arg3) {System. out. println (selected: + mStringArray [position]);} @ Overridepublic void onNothingSelected (AdapterView
   Arg0 ){}}}