安卓学习第34课——AlertDialog

<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】");
            }
        });
    }

}