1、UI文件：spinner.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="TextView" />
<Spinner
android:id="@+id/spinner1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:drawSelectorOnTop="true"
android:prompt="@string/city_message"
/>
</LinearLayout> |
2、SpinnerAcitivity.java文件
public class SpinnerActivity extends Activity{
private Spinner spinner;
private static final String[] CITY = {
"Spinner Item1", "Spinner Item2", "Spinner Item3", "Spinner Item4" };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.spinner);
spinner = (Spinner) findViewById(R.id.spinner1);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(
this,android.R.layout.simple_spinner_item,CITY);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(
new AdapterView.OnItemSelectedListener(){
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
Toast.makeText(SpinnerActivity.this, CITY[arg2], Toast.LENGTH_SHORT).show();
}
public void onNothingSelected(AdapterView<?> arg0){}
});
}
} |
3. 效果图。 使用模拟器。
本文转自Work Hard Work Smart博客园博客，原文链接：http://www.cnblogs.com/linlf03/archive/2013/03/07/2948605.html，如需转载请自行联系原作者