spinner (drop down list)

  // set spinner        spinner = (Spinner) findViewById(R.id.spinner_meterPointType);     ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(             this, R.array.meterType_array,  android.R.layout.simple_spinner_item);    // the source is in strings.xml      adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);     spinner.setAdapter(adapter);   // event fire when user select a item from spinner list     spinner.setOnItemSelectedListener(new MyOnItemSelectedListener());  // set select value (set index of the value)spinner.setSelection(indexInArray ,true);   // set select value (get select value index in array)spinner.getSelectedItemPosition();  

public class MyOnItemSelectedListener implements OnItemSelectedListener {
     public void onItemSelected(AdapterView<?> parent,         View view, int pos, long id) {            label_type.setText(parent.getItemAtPosition(pos).toString());      meterPointNum.setText("");      }
     public void onNothingSelected(AdapterView parent) {       // Do nothing.     } }
  // if the spinner set the touch listener, the OnItemSelectedListener will not be used.
 private View.OnTouchListener Spinner_OnTouch = new View.OnTouchListener() {     public boolean onTouch(View v, MotionEvent event) {         if (event.getAction() == MotionEvent.ACTION_UP) {                        return true;     } };
 

strings.xml  <string name="name">Choose the value(spinner title)</string>    <string-array name="meterType_array">// the array name is used in ArrayAdapter           <item>Electricity</item>        <item>Gas</item>    </string-array>