AlertDialog

package com.cqvie.cn;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.os.Bundle;
import android.widget.TextView;

public class DialogChoiceAppActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Builder alertDialog=new Builder(this);
alertDialog.setTitle("Android Dialog");

new AlertDialog.Builder(this).setTitle("AlertDialog对话框").setIcon(
android.R.drawable.ic_dialog_info).setSingleChoiceItems(
new String[] { "Item1", "Item2" ,"Item3"}, 0,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).setNegativeButton("确定", null).setPositiveButton("取消", null).show();

}
}

运行结果：