Android游戏开发系统控件-Dialog

Android游戏开发系统控件-Dialog

Dialog(对话框)在Android应用开发中经常用到，下面是学习《Android游戏编程从零开始》一书，关于Dialog的初步学习。

创建项目：DialogProject

作者：com_xp

日期：2012/5/13

功能：显示有TextView和按钮的对话框

简单对话框：



添加单选框的对话框：





添加多选框的对话框：



添加列表的对话框:



添加自定义布局的对话框：





项目源代码：

=>>main.xml

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<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/hello" />

</LinearLayout>

java进阶 http://www.javady.com/index.php/122.html

=>>dialogmain.xml

[html] view plaincopyprint?

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_height="wrap_content"

android:layout_width="wrap_content"

android:background="#ffffffff"

android:orientation="horizontal"

android:id="@+id/myLayout"

>

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="TextView"/>

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

/>

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="btn1"

/>

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="btn2"

/>

</LinearLayout>

=>>DialogProjectActivity.java

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package com.dialog;

import android.app.Activity;

import android.app.AlertDialog.Builder;

import android.content.DialogInterface;

import android.content.DialogInterface.OnClickListener;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

public class DialogProjectActivity extends Activity {

private Builder builder; //声明Bulider对象

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

//实例化Builder对象

builder = new Builder(DialogProjectActivity.this);

//设置对话框的图标

builder.setIcon(android.R.drawable.ic_dialog_info);

//设置对话框的标题

builder.setTitle("Dialog");

//设置对话框提示文本

// builder.setMessage("Dialog对话框");

//监听左侧按钮

builder.setPositiveButton("Yes", new OnClickListener(){

public void onClick(DialogInterface dialog,int which){

}

});

//监听右侧按钮

builder.setNegativeButton("No",new OnClickListener(){

public void onClick(DialogInterface dialog,int which){

}

});

/*

//添加单选按钮

builder.setSingleChoiceItems(new String[]{"单选","单选"},1,new

OnClickListener(){

public void onClick(DialogInterface dialog,int which){

//which:选中下标

}

});

//添加复选框

builder.setMultiChoiceItems(new String[]{"多选","多选"},

new boolean[]{false, true},new OnMultiChoiceClickListener(){

public void onClick(DialogInterface dialog,int which,boolean isChecked){

//which:选中下标

//isChecked:选中项的勾选状态

}

});

//添加列表项

builder.setItems(new String[]{"列表项1","列表项2","列表项3"},

new OnClickListener(){

public void onClick(DialogInterface dialog,int which){

//which：选中下标项

}

});

*/

//实例layout布局

LayoutInflater inflater = getLayoutInflater();

View layout = inflater.inflate(R.layout.dialogmain, (ViewGroup)findViewById(R.id.myLayout));

builder.setView(layout);

//调用show()方法显示对话框

builder.show();

}

}