示例：制作一个游戏退出时的确认对话框

GameExitDialog.java

package com.test.androidtest;

import android.app.Dialog;
import android.content.Context;
import android.view.Gravity;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TextView;

/**
 * 退出游戏对话框
 */
public class GameExitDialog extends Dialog{

	public GameExitDialog(Context context) {
		super(context, R.style.game_exit_dialog);
		setCanceledOnTouchOutside(false);
		Window window = getWindow();
		WindowManager.LayoutParams params = window.getAttributes();
        params.gravity = Gravity.CENTER;
        window.setAttributes(params);
        
        View view = getLayoutInflater().inflate(R.layout.game_exit_dialog, null);
        TextView cancelTextView = (TextView)view.findViewById(R.id.cancelTextView);
        cancelTextView.setOnClickListener(new android.view.View.OnClickListener(){
			@Override
			public void onClick(View v) {
				GameExitDialog.this.dismiss();
			}
        });
        
        TextView okTextView = (TextView)view.findViewById(R.id.okTextView);
        okTextView.setOnClickListener(new android.view.View.OnClickListener(){
			@Override
			public void onClick(View v) {
				//TODO: 处理退出逻辑
				
				GameExitDialog.this.dismiss();
				android.os.Process.killProcess(android.os.Process.myPid());
			}
        });
        setContentView(view);
	}
}

 

styles.xml

<resources>
	<style name="game_exit_dialog" parent="@android:style/Theme.Dialog">
        <item name="android:windowFrame">@null</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:background">@android:color/transparent</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:backgroundDimEnabled">true</item>
        <item name="android:backgroundDimAmount">0.6</item>
    </style>
</resources>

 

rounded_corners_view.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
	<solid android:color="#ffffff" />
	<corners android:radius="10dp" />
	<padding android:left="40dp" android:top="5dp" 
		android:right="40dp" android:bottom="5dp" />
</shape>

 

textview_style_cancle_gray.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
	<solid android:color="#cccccc" />
	<corners android:radius="20dp" />
	<padding android:left="20dp" android:top="5dp" 
		android:right="20dp" android:bottom="5dp" />
</shape>

 

textview_style_ok_blue.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
	<solid android:color="#99ccff" />
	<corners android:radius="20dp" />
	<padding android:left="20dp" android:top="5dp" 
		android:right="20dp" android:bottom="5dp" />
</shape>

colors.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="white">#FFFFFF</color><!--白色 -->
</resources>

game_exit_dialog.xml

<?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:background="@drawable/rounded_corners_view"
    android:orientation="vertical" 
    android:fadingEdge="none"
    style="@android:style/Theme.Dialog">

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="30dp"
        android:gravity="center"
        android:orientation="horizontal" >

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="提    示"
            android:textSize="20sp" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:gravity="center"
        android:orientation="horizontal" >

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="是否要退出游戏？"
            android:textColor="#333"
            android:textSize="18sp" />
    </LinearLayout>

    <!-- 按钮 -->

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="18dp"
        android:layout_marginBottom="15dp"
        android:gravity="center"
        android:orientation="horizontal" >

        <TextView
            android:id="@+id/cancelTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginRight="20dp"
            android:background="@drawable/textview_style_cancle_gray"
            android:textColor="@color/white"
            android:text="取    消"
            android:textSize="18sp"/>
        
        <View
            android:layout_width="20dp"
            android:layout_height="1dp"/>

        <TextView
            android:id="@+id/okTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/textview_style_ok_blue"
            android:textColor="@color/white"
            android:text="确    定"
            android:textSize="18sp" />
    </LinearLayout>

</LinearLayout>

 

 

//显示游戏退出确认框
GameExitDialog dialog = new GameExitDialog(this);
dialog.show();

 

运行测试