public class MultiChoiceItemsTest extends Activity implements OnClickListener
{
private String[] province = new String[] { "上海", "北京", "湖南", "湖北", "海南" };
private Button btnMultiChoice;
private ListView lv;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btnMultiChoice = (Button) findViewById(R.id.btnMultiChoice);
btnMultiChoice.setOnClickListener(this);
}
@Override
public void onClick(View v)
{
showMultiChoiceItems();
}
private void showMultiChoiceItems()
{
AlertDialog builder = new AlertDialog.Builder(this)
.setTitle("请选择你的省份：")
.setMultiChoiceItems(province,
new boolean[] { false, false, false, false, false },
new OnMultiChoiceClickListener()
{
@Override
public void onClick(DialogInterface dialog,
int which, boolean isChecked)
{
// TODO Auto-generated method stub
}
})
.setPositiveButton("确定", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
String s = "您选择了：";
// 扫描所有的列表项，如果当前列表项被选中，将列表项的文本追加到s变量中。
for (int i = 0; i < province.length; i++)
{
if (lv.getCheckedItemPositions().get(i))
{
s += i + ":" + lv.getAdapter().getItem(i) + " ";
}
}
// 用户至少选择了一个列表项
if (lv.getCheckedItemPositions().size() > 0)
{
new AlertDialog.Builder(MultiChoiceItemsTest.this)
.setMessage(s).show();
System.out.println(lv.getCheckedItemPositions().size());
}
// 用户未选择任何列表项
else if(lv.getCheckedItemPositions().size() <= 0 )
{
new AlertDialog.Builder(MultiChoiceItemsTest.this)
.setMessage("您未选择任何省份").show();
}
}
}).setNegativeButton("取消", null).create();
//
lv = builder.getListView();
builder.show();
}
}