<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[fulianwu的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/fulianwu</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; fulianwu]]></copyright><item><title><![CDATA[java如何判断一个文件的类型]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7566725</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7566725</guid><author>fulianwu</author><pubDate>Mon, 14 May 2012 22:28:50 +0800</pubDate><description><![CDATA[用文件头判断。直接读取文件的前几个字节。

常用文件的文件头如下：
JPEG (jpg)，文件头：FFD8FF 
PNG (png)，文件头：89504E47 
GIF (gif)，文件头：47494638 
TIFF (tif)，文件头：49492A00 
Windows Bitmap (bmp)，文件头：424D 
CAD (dwg)，文件头：41433130 
Adobe]]></description><category></category></item><item><title><![CDATA[优快云精选Android开发博客]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7308143</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7308143</guid><author>fulianwu</author><pubDate>Wed, 29 Feb 2012 23:07:12 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/softwave/article/details/7206748]]></description><category></category></item><item><title><![CDATA[android之调用webservice 实现图片上传下载]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7304202</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7304202</guid><author>fulianwu</author><pubDate>Tue, 28 Feb 2012 23:23:08 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/baolong47/article/details/6702542]]></description><category></category></item><item><title><![CDATA[利用Hierarchy Viewer优化布局]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7286426</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7286426</guid><author>fulianwu</author><pubDate>Thu, 23 Feb 2012 11:35:03 +0800</pubDate><description><![CDATA[欢迎转载，但是请保留出处。http://www.cnblogs.com/noTice520/　
　　好久没更新博客了，趁着清明来写点什么。
　　今天来讲下如何使用android中提供的工具优化我们的布局。首先我们写一个最简单的框架布局。
　　

xml version="1.0" encoding="utf-8"?>
FrameLayout
xmlns:android="http:/]]></description><category></category></item><item><title><![CDATA[手机锁屏功能的实现(密码锁屏)]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7285441</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7285441</guid><author>fulianwu</author><pubDate>Thu, 23 Feb 2012 00:34:07 +0800</pubDate><description><![CDATA[http://android-zhang.iteye.com/blog/1332579]]></description><category></category></item><item><title><![CDATA[支持zoo in， zoo out的TouchImageViewActivity组件]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7281652</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7281652</guid><author>fulianwu</author><pubDate>Tue, 21 Feb 2012 23:26:17 +0800</pubDate><description><![CDATA[转自：http://dengyin2000.iteye.com/blog/1413669]]></description><category></category></item><item><title><![CDATA[Android释放内存（结束进程）]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7166533</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7166533</guid><author>fulianwu</author><pubDate>Sat, 31 Dec 2011 00:09:21 +0800</pubDate><description><![CDATA[http://androiddada.iteye.com/blog/1330559]]></description><category></category></item><item><title><![CDATA[实现“全屏”且状态栏盖在上面的效果]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7075359</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7075359</guid><author>fulianwu</author><pubDate>Thu, 15 Dec 2011 20:30:13 +0800</pubDate><description><![CDATA[先直接上图看效果：

 
关键代码：
1、android:theme="@android:style/Theme.NoTitleBar"
2、getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
其中：WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS]]></description><category></category></item><item><title><![CDATA[Android情景模式、文件管理器 完整示例编程详解、Android程序优化总结]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7072426</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7072426</guid><author>fulianwu</author><pubDate>Thu, 15 Dec 2011 00:09:58 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/liubin8095/article/details/7069827]]></description><category></category></item><item><title><![CDATA[android图像处理系列之二－－图片旋转、缩放、反转]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7072396</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7072396</guid><author>fulianwu</author><pubDate>Wed, 14 Dec 2011 23:57:42 +0800</pubDate><description><![CDATA[转自：http://blog.youkuaiyun.com/maylian7700/article/details/7071837
 
注意是反转，不是翻转。贴图：
原图：



处理后：




下面看代码：

package com.jacp.image.util;

import android.graphics.Bitmap;
import android.graphics]]></description><category></category></item><item><title><![CDATA[Android SurfaceView 绘图覆盖刷新及脏矩形刷新方法]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7060578</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7060578</guid><author>fulianwu</author><pubDate>Sun, 11 Dec 2011 00:43:03 +0800</pubDate><description><![CDATA[http://www.devdiv.com/article-2336-1.html
 
SurfaceView在Android中用作游戏开发是最适宜的，本文就将演示游戏开发中常用的两种绘图刷新策略在SurfaceView中的实现方法。

首先我们来看一下本例需要用到的两个素材图片：



2011-8-16 16:09:08 上传
下载附件
(61.45 KB)]]></description><category></category></item><item><title><![CDATA[仿的一个动画菜单效果]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7060481</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7060481</guid><author>fulianwu</author><pubDate>Sat, 10 Dec 2011 23:33:39 +0800</pubDate><description><![CDATA[http://gundumw100.iteye.com/blog/1299953
 
记得在eoe上有人发过，但代码质量不好。我重写了一下，抽成了控件。但没有经过各种控件的相容性测试，如果和其他控件的相容性不好，就直接在activity中写代码吧，应该差不多的。
我用的是平板，所以效果还行，不知道手机如何。




代码：



Java代码 



package]]></description><category></category></item><item><title><![CDATA[Android的四大组件之三--Activity（4）----->Activity的启动方式和相关参数]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7060468</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7060468</guid><author>fulianwu</author><pubDate>Sat, 10 Dec 2011 23:24:26 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/alex0203/article/details/7059454
 
 
在前面几节讨论了activity的生命周期，状态的保存，横竖屏切换和全屏显示相关的内容；
下面将介绍如下内容：
1.如何启动activity；
2.如何在关闭activity的时候返回值给前一个activity；
3.如何传递值给将要启动的activity；
4.ac]]></description><category></category></item><item><title><![CDATA[基于Android的浮动组件，可以用于应用中的新功能展示等等]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7060450</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7060450</guid><author>fulianwu</author><pubDate>Sat, 10 Dec 2011 23:14:00 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/michael__li/article/details/7058259
 
前言


在开发Android应用时,加新功能是必不可少的，我们加入了新的功能，有的一看界面就可以看出来，但是有的新功能就比较隐蔽，也就是用户很难知道你添加了这个新功能，这个时候就需要用户在打开我们的应用时给出一些提示，说明我们在哪里添加了新功能，点击哪里可以看到这个新功]]></description><category></category></item><item><title><![CDATA[Activity屏蔽Home键]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7050574</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7050574</guid><author>fulianwu</author><pubDate>Wed, 07 Dec 2011 17:19:19 +0800</pubDate><description><![CDATA[由于某种需求，需要在某个Activity中启动一个ProgressDialog表示正在进行时。但当ProgressDialog起来后，此时按Home键,则会报错，那如何在ProgressDialog显示的过程中屏蔽掉Home键呢？
直接上代码：
首先重写
@Override
	public void onAttachedToWindow() {
		// TODO Auto-genera]]></description><category></category></item><item><title><![CDATA[android UI 优化系之 使用theme 预加载]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7013689</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7013689</guid><author>fulianwu</author><pubDate>Fri, 25 Nov 2011 23:59:50 +0800</pubDate><description><![CDATA[在很多时候，我们需要给一个Layout设置一个背景。例如，我们下下面的layout中使用了这样一个背景： 6]dK,



<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"     
android:layout_wid]]></description><category></category></item><item><title><![CDATA[Java四则运算（+、-、*、/、）以及三角函数表达式解析器]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7012250</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7012250</guid><author>fulianwu</author><pubDate>Fri, 25 Nov 2011 15:13:54 +0800</pubDate><description><![CDATA[Java四则运算（+、-、*、/、）以及三角函数表达式解析器，自己也可以写，但还是比较复杂的，但有一个关于这个的开源项目，那就实行拿来主义好了！
 http://jeval.sourceforge.net（Jeval）]]></description><category></category></item><item><title><![CDATA[ListView的一种特效]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7001789</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7001789</guid><author>fulianwu</author><pubDate>Tue, 22 Nov 2011 20:15:28 +0800</pubDate><description><![CDATA[package com.test;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.A]]></description><category></category></item><item><title><![CDATA[对canvas的translate()方法的理解]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/7001618</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/7001618</guid><author>fulianwu</author><pubDate>Tue, 22 Nov 2011 19:18:27 +0800</pubDate><description><![CDATA[canvas.save();//锁画布(为了保存之前的画布状态)
            canvas.translate(10, 10);//把当前画布的原点移到(10,10),后面的操作都以(10,10)作为参照点，默认原点为(0,0)
            drawScene(canvas);
            canvas.restore();//把当前画布返回（调整）到上一]]></description><category></category></item><item><title><![CDATA[http://blog.youkuaiyun.com/a345017062/article/category/758727]]></title><link>https://blog.youkuaiyun.com/fulianwu/article/details/6999818</link><guid>https://blog.youkuaiyun.com/fulianwu/article/details/6999818</guid><author>fulianwu</author><pubDate>Tue, 22 Nov 2011 11:54:34 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/a345017062/article/category/758727]]></description><category></category></item></channel></rss>