android 单选按钮 确定对话框

[java] view plaincopyprint?import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ListView;import android.widget.Toast;public class MainActivity extends Activity {private String[] areas = new String[]{"全部","玉兰香苑", "张江地铁站", "金科路", "张江路", "紫薇路", "香楠小区" };private boolean[] areaState=new boolean[]{true, false, false, false, false, false,false };private RadioOnClick radioOnClick = new RadioOnClick(1);private ListView areaCheckListView;private ListView areaRadioListView;private Button alertButton;private Button checkBoxButton;private Button radioButton;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);alertButton=(Button)findViewById(R.id.alertButton);checkBoxButton=(Button)findViewById(R.id.checkBoxButton);radioButton=(Button)findViewById(R.id.radioButton);alertButton.setOnClickListener(new AlertClickListener());checkBoxButton.setOnClickListener(new CheckBoxClickListener());radioButton.setOnClickListener(new RadioClickListener());}/*** 菜单弹出窗口* @author xmz**/class AlertClickListener implements OnClickListener{@Overridepublic void onClick(View v) {new AlertDialog.Builder(MainActivity.this).setTitle("选择区域").setItems(areas,new DialogInterface.OnClickListener(){public void onClick(DialogInterface dialog, int which){Toast.makeText(MainActivity.this, "您已经选择了: " + which + ":" + areas[which],Toast.LENGTH_LONG).show();dialog.dismiss();}}).show();}}/*** 多选框弹出菜单窗口* @author xmz**/class CheckBoxClickListener implements OnClickListener{@Overridepublic void onClick(View v) {AlertDialog ad = new AlertDialog.Builder(MainActivity.this).setTitle("选择区域").setMultiChoiceItems(areas,areaState,new DialogInterface.OnMultiChoiceClickListener(){public void onClick(DialogInterface dialog,int whichButton, boolean isChecked){//点击某个区域}}).setPositiveButton("确定",new DialogInterface.OnClickListener(){public void onClick(DialogInterface dialog,int whichButton){String s = "您选择了:";for (int i = 0; i < areas.length; i++){if (areaCheckListView.getCheckedItemPositions().get(i)){s += i + ":"+ areaCheckListView.getAdapter().getItem(i)+ " ";}else{areaCheckListView.getCheckedItemPositions().get(i,false);}}if (areaCheckListView.getCheckedItemPositions().size() > 0){Toast.makeText(MainActivity.this, s, Toast.LENGTH_LONG).show();}else{//没有选择}dialog.dismiss();}}).setNegativeButton("取消", null).create();areaCheckListView = ad.getListView();ad.show();}}/*** 单选弹出菜单窗口* @author xmz**/class RadioClickListener implements OnClickListener {@Overridepublic void onClick(View v) {AlertDialog ad =new AlertDialog.Builder(MainActivity.this).setTitle("选择区域").setSingleChoiceItems(areas,radioOnClick.getIndex(),radioOnClick).create();areaRadioListView=ad.getListView();ad.show();}}/*** 点击单选框事件* @author xmz**/class RadioOnClick implements DialogInterface.OnClickListener{private int index;public RadioOnClick(int index){this.index = index;}public void setIndex(int index){this.index=index;}public int getIndex(){return index;}public void onClick(DialogInterface dialog, int whichButton){setIndex(whichButton);Toast.makeText(MainActivity.this, "您已经选择了： " + index + ":" + areas[index], Toast.LENGTH_LONG).show();dialog.dismiss();}}}main.xml代码：[java] view plaincopyprint?<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent"><Buttonandroid:id="@+id/alertButton"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="菜单选择窗口"/><Buttonandroid:id="@+id/checkBoxButton"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="多选菜单选择窗口"/><Buttonandroid:id="@+id/radioButton"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="单选菜单选择窗口-1"/></LinearLayout>