Dialog

一、ListDialog

 

package org.crazyit.dialog;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

/**
 * Description:
 * <br/>site: <a href="http://www.crazyit.org">crazyit.org</a> 
 * <br/>Copyright (C), 2001-2012, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [email protected]
 * @version  1.0
 */
public class SingleChoiceDialog extends Activity
{
	final int SINGLE_DIALOG = 0x113;
	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		Button bn = (Button)findViewById(R.id.bn);
		//为按钮绑定事件监听器
		bn.setOnClickListener(new View.OnClickListener()
		{
			@Override
			public void onClick(View source)
			{
				//显示对话框
				showDialog(SINGLE_DIALOG);				
			}
		});
	}
	//重写onCreateDialog方法创建对话框
	public Dialog onCreateDialog(int id, Bundle state)
	{
		//判断需要生成哪种类型的对话框
		switch (id)
		{
			case SINGLE_DIALOG:
				Builder b = new AlertDialog.Builder(this);
				// 设置对话框的图标
				b.setIcon(R.drawable.tools);
				// 设置对话框的标题
				b.setTitle("单选列表对话框");
				// 为对话框设置多个列表
				b.setSingleChoiceItems(new String[]
				{ "红色", "绿色", "蓝色" }
				// 默认选中第二项
					, 1
					//为列表项的单击事件设置监听器
					, new OnClickListener()
					{
						@Override
						public void onClick(DialogInterface dialog,
							int which)
						{
							TextView show = (TextView) findViewById(R.id.show);
							// which代表哪个列表项被单击了
							switch (which)
							{
								//修改文本框的背景色
								case 0:
									show.setBackgroundColor(Color.RED);
									break;
								case 1:
									show.setBackgroundColor(Color.GREEN);
									break;
								case 2:
									show.setBackgroundColor(Color.BLUE);
									break;
							}
						}
					});
				// 添加一个“确定”按钮，用于关闭该对话框
				b.setPositiveButton("确定", null);
				// 创建对话框
				return b.create();
		}
		return null;
	}
}

 二、loginDialog

 

 

<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>

 package org.crazyit.dialog;

 

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TableLayout;

/**
 * Description:
 * <br/>site: <a href="http://www.crazyit.org">crazyit.org</a> 
 * <br/>Copyright (C), 2001-2012, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [email protected]
 * @version  1.0
 */
public class LoginDialog extends Activity
{
	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		Button bn = (Button)findViewById(R.id.bn);
		//定义一个AlertDialog.Builder对象
		final Builder builder = new AlertDialog.Builder(this);
		//为按钮绑定事件监听器
		bn.setOnClickListener(new View.OnClickListener()
		{
			@Override
			public void onClick(View source)
			{
				// 设置对话框的图标
				builder.setIcon(R.drawable.tools);
				// 设置对话框的标题
				builder.setTitle("自定义普通对话框");
				//装载/res/layout/login.xml界面布局
				TableLayout loginForm = (TableLayout)getLayoutInflater()
					.inflate( R.layout.login, null);
				// 设置对话框显示的View对象
				builder.setView(loginForm);
				// 为对话框设置一个“确定”按钮
				builder.setPositiveButton("登录"
					// 为按钮设置监听器
					, 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
				builder.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
				builder.create().show();
			}
		});
	}
}

 三、多项选择对话框

 

package org.crazyit.dialog;

import org.crazyit.dialog.R;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

/**
 * Description:
 * <br/>site: <a href="http://www.crazyit.org">crazyit.org</a> 
 * <br/>Copyright (C), 2001-2012, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [email protected]
 * @version  1.0
 */
public class MultiChoiceDialog extends Activity
{
	final int SINGLE_DIALOG = 0x113;
	String[] colorNames = new String[]
	{ "红色", "绿色", "蓝色" };
	@Override
	public void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		Button bn = (Button) findViewById(R.id.bn);
		// 为按钮绑定事件监听器
		bn.setOnClickListener(new View.OnClickListener()
		{
			@Override
			public void onClick(View source)
			{
				// 显示对话框
				showDialog(SINGLE_DIALOG);
			}
		});
	}
	public Dialog onCreateDialog(int id, Bundle state)
	{
		// 判断需要生成哪种类型的对话框
		switch (id)
		{
			case SINGLE_DIALOG:
				Builder b = new AlertDialog.Builder(this);
				// 设置对话框的图标
				b.setIcon(R.drawable.tools);
				// 设置对话框的标题
				b.setTitle("多选列表对话框");
				final boolean[] checkStatus = new boolean[] { true, false, true };
				// 为对话框设置多个列表
				b.setMultiChoiceItems(new String[] { "红色", "绿色", "蓝色" }
				// 设置默认勾选了哪些列表项
					, checkStatus
					// 为列表项的单击事件设置监听器
					, new OnMultiChoiceClickListener()
					{
						@Override
						public void onClick(DialogInterface dialog, int which,
							boolean isChecked)
						{
							EditText show = (EditText) findViewById(R.id.show);
							String result = "您喜欢的颜色为：";
							for (int i = 0; i < checkStatus.length; i++)
							{
								// 如果该选项被选中
								if (checkStatus[i])
								{
									result += colorNames[i] + "、";
								}
							}
							show.setText(result);
						}
					});
				// 添加一个“确定”按钮，用于关闭该对话框
				b.setPositiveButton("确定", null);
				// 创建对话框
				return b.create();
		}
		return null;
	}
}