<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">    <EditText        android:id="@+id/show"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:inputType="none" >        <requestFocus />    </EditText>    <Button        android:id="@+id/button1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="简单对话框"         android:onClick="simple"/>    <Button        android:id="@+id/button2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="简单列表项对话框"         android:onClick="simplelist"/>    <Button        android:id="@+id/button3"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="单选列表项对话框"        android:onClick="singlechoice" />    <Button        android:id="@+id/button4"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="多选列表项对话框"         android:onClick="multichoice"/>    <Button        android:id="@+id/button5"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="自定义列表项对话框"        android:onClick="customchoice" />    <Button        android:id="@+id/button6"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="自定义View的对话框"        android:onClick="customview" /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><TextView xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/TextView"    android:textColor="#f0f"    android:textSize="30dp"    android:shadowColor="#ff0"    android:shadowRadius="2"    android:shadowDx="5"    android:shadowDy="5"    android:layout_width="match_parent"     android:layout_height="wrap_content" />

<?xml version="1.0" encoding="utf-8"?><TableLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/loginForm"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    ><TableRow><TextView    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text="用户名:"    android:textSize="10pt"    /><!-- 输入用户名的文本框 --><EditText    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:hint="请填写登录帐号"    android:selectAllOnFocus="true"    /></TableRow><TableRow><TextView    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text="密码:"    android:textSize="10pt"        /><!-- 输入密码的文本框 -->    <EditText    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:hint="请填写密码"        android:password="true"    /></TableRow><TableRow><TextView    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:text="电话号码:"    android:textSize="10pt"        /><!-- 输入电话号码的文本框 -->        <EditText    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:hint="请填写您的电话号码"    android:selectAllOnFocus="true"    android:phoneNumber="true"    /></TableRow></TableLayout>

package com.example.alertdialog;import android.app.Activity;import android.app.AlertDialog;import android.app.AlertDialog.Builder;import android.content.DialogInterface;import android.content.DialogInterface.OnClickListener;import android.content.DialogInterface.OnMultiChoiceClickListener;import android.os.Bundle;import android.view.View;import android.widget.ArrayAdapter;import android.widget.TableLayout;import android.widget.TextView;public class MainActivity extends Activity {    TextView show;    String[] items = new String[] {             "高等数学", "线性代数",            "离散数学",            "数据结构" };        private final boolean a[]=new boolean[]{false,false,false,false};    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        show=(TextView) findViewById(R.id.show);    }    public void simple(View source){        AlertDialog.Builder bulider=new AlertDialog.Builder(this)        .setTitle("简单对话框")        .setIcon(R.drawable.tools)        .setMessage("对话框的测试内容\n第二行内容");        setPositiveButton(bulider);        setNegativeButton(bulider).create().show();    }        public void simplelist(View source){        AlertDialog.Builder bulider =new AlertDialog.Builder(this)        .setTitle("")        .setIcon(R.drawable.tools)        .setItems(items, new OnClickListener(){            @Override            public void onClick(DialogInterface dialog, int which) {                show.setText("你选中了《"+items[which]+"》");            }        });        setPositiveButton(bulider);        setNegativeButton(bulider).create().show();    }        public void singlechoice(View source){        AlertDialog.Builder bulider =new AlertDialog.Builder(this)        .setTitle("")        .setIcon(R.drawable.tools)        .setSingleChoiceItems(items,1, new OnClickListener(){            @Override            public void onClick(DialogInterface dialog, int which) {                show.setText("你选中了《"+items[which]+"》");            }        });        setPositiveButton(bulider);        setNegativeButton(bulider).create().show();    }    public void multichoice(View source){                AlertDialog.Builder bulider =new AlertDialog.Builder(this)        .setTitle("多选列表项对话框")        .setIcon(R.drawable.tools)        .setMultiChoiceItems(items,a,  new OnMultiChoiceClickListener(){            @Override            public void onClick(DialogInterface dialog, int which,                    boolean isChecked) {                a[which]=isChecked ?true:false;            }        }        );        setPositiveButton(bulider);        setNegativeButton(bulider).create().show();    }    public void customchoice(View source){        AlertDialog.Builder bulider =new AlertDialog.Builder(this)        .setTitle("多选列表项对话框")        .setIcon(R.drawable.tools)        .setAdapter(new ArrayAdapter<String>(this,R.layout.array_item,items), null);        setPositiveButton(bulider);        setNegativeButton(bulider).create().show();    }    public void customview(View source){        //装载/res/layout/login.xml界面布局                TableLayout loginForm = (TableLayout)getLayoutInflater()                    .inflate( R.layout.login, null);                        new AlertDialog.Builder(this)                    // 设置对话框的图标                    .setIcon(R.drawable.tools)                    // 设置对话框的标题                    .setTitle("自定义View对话框")                    // 设置对话框显示的View对象                    .setView(loginForm)                    // 为对话框设置一个“确定”按钮                    .setPositiveButton("登录" , new OnClickListener()                    {                        @Override                        public void onClick(DialogInterface dialog,                                int which)                        {                            // 此处可执行登录处理                        }                    })                    // 为对话框设置一个“取消”按钮                    .setNegativeButton("取消", new OnClickListener()                    {                        @Override                        public void onClick(DialogInterface dialog,                                int which)                        {                            // 取消登录，不做任何事情。                        }                    })                    // 创建、并显示对话框                    .create()                    .show();    }    private AlertDialog.Builder setNegativeButton(Builder bulider) {        return bulider.setNegativeButton("取消", new OnClickListener(){            @Override            public void onClick(DialogInterface dialog, int which) {                show.setText("单击了【取消】按钮");            }        });    }    private AlertDialog.Builder setPositiveButton(Builder bulider) {        return bulider.setPositiveButton("确定", new OnClickListener(){            @Override            public void onClick(DialogInterface dialog, int which) {                show.setText("单击了按钮【确定】");            }        });    }    }