Android的上拉式選單

package android.demo.spinner;import android.app.Activity;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.*;import android.widget.AdapterView.OnItemClickListener;import android.os.Bundle;public class Spinner_Activity extends Activity {	    /** Called when the activity is first created. */	private static final String[] m_Countries ={"111","222","333"};	private TextView m_TextView;	private Spinner m_Spinner;	private String TAG;	private ArrayAdapter<String> adapter;    @Override    public void onCreate(Bundle savedInstanceState)     {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                m_Spinner = (Spinner) findViewById(R.id.Spinner1);        m_TextView= (TextView)findViewById(R.id.TextView1);        adapter= new ArrayAdapter<String>( this,android.R.layout.simple_spinner_item,m_Countries);        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);                m_Spinner.setAdapter(adapter);        try{        	        m_Spinner.setOnItemSelectedListener (On_ItemSelected_Click);        }catch(Exception err)        {        				Log.e(TAG, "error: " + err.toString());			Toast.makeText(Spinner_Activity.this,err.toString(),			Toast.LENGTH_LONG).show();			        };            }    public Spinner.OnItemSelectedListener On_ItemSelected_Click=new Spinner.OnItemSelectedListener()    {		@Override		public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,				long arg3)		{			// TODO Auto-generated method stub			Toast.makeText(Spinner_Activity.this, "您選擇"+arg0.getSelectedItem().toString(), Toast.LENGTH_LONG).show(); 		}		@Override		public void onNothingSelected(AdapterView<?> arg0)		{			// TODO Auto-generated method stub					}    };}

1 楼 进阶兄 2011-10-25  

有帮助，启蒙可用，后期提醒也不错