痞客興的部落格

package com.example.dropdownlist;

import android.app.*;
import android.os.*;
import android.view.*;
import android.widget.*;
import android.widget.AdapterView.*;
import android.view.Menu;

public class MainActivity extends Activity {

TextView tv;
Spinner sp;

@Override
protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
setContentView(ll);

tv = new TextView(this);

sp = new Spinner(this);
String[] str = {"一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"};
ArrayAdapter<String> ad = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, str);
ad.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

sp.setAdapter(ad);

ll.addView(tv);
ll.addView(sp);

sp.setOnItemSelectedListener(new SampleItemSelectedListener());

}

class SampleItemSelectedListener implements OnItemSelectedListener
{

public void onItemSelected(AdapterView<?>v, View iv, int pos, long id)
{

TextView tmp = (TextView) iv;
tv.setText("你的生日是" + tmp.getText());

}
public void onNothingSelected(AdapterView<?> arg0){}

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}