package com.xy.alterdialog;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.DialogInterface.OnClickListener;import android.content.DialogInterface.OnMultiChoiceClickListener;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.widget.Button;public class Main extends Activity {    private Button btn;    private Button btn2;    private Button btn3;    private Button btn4;          private final CharSequence[] items = {"北京","上海","广州"};          @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.alterdialog);                  btn = (Button)findViewById(R.id.button1);        btn2 = (Button)findViewById(R.id.button2);        btn3 = (Button)findViewById(R.id.button3);        btn4 = (Button)findViewById(R.id.button4);                  //AlterDialog        btn.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                // TODO Auto-generated method stub                AlertDialog.Builder builder = new AlertDialog.Builder(Main.this);                  builder.setMessage("Sure to Cancel?");                builder.create();                builder.setPositiveButton("Yes", new OnClickListener() {                                          @Override                    public void onClick(DialogInterface dialog, int which) {                        // TODO Auto-generated method stub                        dialog.dismiss();                    }                });                builder.setNegativeButton("No", new OnClickListener() {                                          @Override                    public void onClick(DialogInterface dialog, int which) {                        // TODO Auto-generated method stub                        dialog.dismiss();                    }                });                AlertDialog dialog = builder.create();                dialog.show();            }        });              //列表对话框        btn2.setOnClickListener(new View.OnClickListener() {                          @Override            public void onClick(View v) {                // TODO Auto-generated method stub                AlertDialog.Builder builder = new AlertDialog.Builder(Main.this);                builder.setTitle("提示");                builder.setItems(items, new OnClickListener() {                                          @Override                    public void onClick(DialogInterface arg0, int arg1) {                        // TODO Auto-generated method stub                                              }                });                AlertDialog dialog = builder.create();                dialog.show();            }        });                  //单选对话框        btn3.setOnClickListener(new View.OnClickListener() {                          @Override            public void onClick(View v) {                // TODO Auto-generated method stub                AlertDialog.Builder builder = new AlertDialog.Builder(Main.this);                builder.setTitle("请选择");                builder.setSingleChoiceItems(items, -1, new OnClickListener() {                                          @Override                    public void onClick(DialogInterface arg0, int arg1) {                        // TODO Auto-generated method stub                                              }                });                AlertDialog dialog = builder.create();                builder.setPositiveButton("确定", new OnClickListener() {                                          @Override                    public void onClick(DialogInterface dialog, int which) {                        // TODO Auto-generated method stub                                              }                });                builder.show();            }        });                  //复选对话框        btn4.setOnClickListener(new View.OnClickListener() {                          @Override            public void onClick(View v) {                // TODO Auto-generated method stub                AlertDialog.Builder builder = new AlertDialog.Builder(Main.this);                builder.setTitle("请选择");                //第二个参数null：默认开始时没有被选中的选项                builder.setMultiChoiceItems(items, null, new OnMultiChoiceClickListener() {                                          @Override                    public void onClick(DialogInterface dialog, int which,boolean isChecked) {                        // TODO Auto-generated method stub                                              }                });                builder.setPositiveButton("确定", new OnClickListener() {                                          @Override                    public void onClick(DialogInterface dialog, int which) {                        // TODO Auto-generated method stub                                              }                });                                  AlertDialog dialog = builder.create();                dialog.show();             }        });              }    @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;    }}