<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[CAREIT的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/CAREIT</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; CAREIT]]></copyright><item><title><![CDATA[Android中的Audio播放：竞争Audio之Audio Focus的应用]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/43969273</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/43969273</guid><author>CAREIT</author><pubDate>Fri, 27 Feb 2015 16:33:47 +0800</pubDate><description><![CDATA[分类： Android android.multimedia2012-04-03
 06:36 10089人阅读 评论(5) 收藏 举报

audioandroidplaybackstream教育任务


田海立

2012-04-03

 

Android是多任务系统，Audio系统是竞争资源。Android2.2之前，没有内建的机制来解决多个程序竞争Audio的问题，]]></description><category></category></item><item><title><![CDATA[【Android Training - Multimedia】管理音频播放[Lesson 3 - 当音频输出设备突然改变]]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/43969217</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/43969217</guid><author>CAREIT</author><pubDate>Fri, 27 Feb 2015 16:29:56 +0800</pubDate><description><![CDATA[目录(?)[+]





Dealing with Audio Output Hardware [处理音频输出硬件设备]



用户在播放音乐的时候有多个选择，可以使用内置的扬声器，有线耳机或者是支持A2DP的蓝牙耳机。

【补充：A2DP全名是Advanced Audio Distribution Profile 蓝牙音频传输模型协定! A2DP是能够采用耳机内的芯片来]]></description><category></category></item><item><title><![CDATA[【Android Training - Multimedia】管理音频播放[Lesson 2 - 管理音频焦点Audio Focus]]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/43969179</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/43969179</guid><author>CAREIT</author><pubDate>Fri, 27 Feb 2015 16:28:24 +0800</pubDate><description><![CDATA[【Android Training - Multimedia】管理音频播放[Lesson 2 - 管理音频焦点Audio Focus]



audiotrainingandroidplayback音乐



目录(?)[+]




Managing Audio Focus[管理音频焦点]


很多App都可以播放音频，因此在播放前如何获取到音频焦点就显得很重要了]]></description><category></category></item><item><title><![CDATA[【Android Training - Multimedia】管理音频播放[Lesson 1 - 控制app的音量]]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/43969107</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/43969107</guid><author>CAREIT</author><pubDate>Fri, 27 Feb 2015 16:24:39 +0800</pubDate><description><![CDATA[【Android Training - Multimedia】管理音频播放[Lesson 1 - 控制app的音量]


分类： Android2012-03-21
 23:27 1692人阅读 评论(0) 收藏 举报

androidtrainingplaybackbuttonaudio



目录(?)[-]

Lesson 1 - Controlling Your A]]></description><category></category></item><item><title><![CDATA[linux 下 查看 磁盘空间]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/42271141</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/42271141</guid><author>CAREIT</author><pubDate>Tue, 30 Dec 2014 20:02:30 +0800</pubDate><description><![CDATA[如果要查看磁盘还剩多少空间，当然是用df的命令了。

[root@localhost ~]# df -h 

文件系统              容量 已用 可用 已用% 挂载点 

/dev/sda2              14G   11G 2.6G 82% / 

/dev/sda1              99M   14M   81M 14% /boot 

t]]></description><category></category></item><item><title><![CDATA[颜色代码]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/42125741</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/42125741</guid><author>CAREIT</author><pubDate>Wed, 24 Dec 2014 16:50:39 +0800</pubDate><description><![CDATA[颜色代码大全  

2008-09-08 01:26:16|  分类： 博客装饰|举报|字号 订阅












常用颜色
颜色代码
常用颜色
颜色代码


Red
#FF0000
White
#FFFFFF


Turquoise
#00FFFF
Light Grey
#C0C0C0


Light Blue
#000]]></description><category></category></item><item><title><![CDATA[java    正则表达式 提取  内容 先行断言]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/42121933</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/42121933</guid><author>CAREIT</author><pubDate>Wed, 24 Dec 2014 11:43:07 +0800</pubDate><description><![CDATA[java中 利用正则表达式提取( )内内容









教师10(0010)
教师11(0011)
教师9(009)
教师12(0012)
教师13(0013)
教师14(0014)
　　
本来想用java的String.split()和substring()来搞定，但是需要处理多次比较麻烦，就用正则表达式了。虽然语法忘得差不多了，但是印象中用断言比较方便（]]></description><category></category></item><item><title><![CDATA[Android  ColorStateList  按钮 文字状态 变色]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/42104663</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/42104663</guid><author>CAREIT</author><pubDate>Tue, 23 Dec 2014 16:47:49 +0800</pubDate><description><![CDATA[Android学习 之 ColorStateList按钮文字变色
















 

Windows平台VC，对于不同的按钮状态，采用不同的颜色显示文字，实现起来比较复杂，一般都得自绘按钮。但是Android里面实现起来非常方便。 

我们首先添加一个ColorStateList资源XML文件，XML文件保存在res/color/butt]]></description><category></category></item><item><title><![CDATA[java 正则表达式 获取双引号中到字符串]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/42081735</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/42081735</guid><author>CAREIT</author><pubDate>Mon, 22 Dec 2014 16:40:58 +0800</pubDate><description><![CDATA[Regex re = new Regex("(?, RegexOptions.None);

MatchCollection mc = re.Matches("你的字符串");

foreach (Match ma in mc)

{

  //ma.Value就是你要的值

}

先行 和断言]]></description><category></category></item><item><title><![CDATA[ubuntu   fastboot 出现错误 no permissions fastboot]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/41979113</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/41979113</guid><author>CAREIT</author><pubDate>Wed, 17 Dec 2014 11:02:30 +0800</pubDate><description><![CDATA[fastboot出现错误:no permissions fastboot


fastboot flash boot out/target/product/generic/boot.img不管用，提示

原因查找：
用fastboot命令查看设备提示无权限，如下：
$ fastboot -l devices
no permissions         fastboot usb:2]]></description><category></category></item><item><title><![CDATA[android Drawable mutate]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/41894657</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/41894657</guid><author>CAREIT</author><pubDate>Fri, 12 Dec 2014 15:31:13 +0800</pubDate><description><![CDATA[mVectorDrawable_colorFilter_1=(VectorDrawable)resources.getDrawable(R.drawable.android_svg_colorfilter_strokecolor);
                mVectorDrawable_colorFilter_2=(VectorDrawable)resources.getDrawabl]]></description><category></category></item><item><title><![CDATA[android support v4 v7 v13   V<require min api>]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/41820523</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/41820523</guid><author>CAREIT</author><pubDate>Tue, 09 Dec 2014 10:29:12 +0800</pubDate><description><![CDATA[Android 版本兼容  向下兼容 

1.6、2.1还是占有一定的市场,故在有些时候，我们还是得要考虑兼容这些版本。

   google提供了Android Support Library package 系列的包来保证来高版本sdk开发的向下兼容性，即我们用4.x开发时，在1.6等版本上，可以使用高版本的有些特性，如fragement,ViewPager等，下面，简单说明下这几个版]]></description><category></category></item><item><title><![CDATA[Java Excel jxl]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/41281199</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/41281199</guid><author>CAREIT</author><pubDate>Wed, 19 Nov 2014 14:20:03 +0800</pubDate><description><![CDATA[需求: 向Excel中添加大量数据 ,而没有]]></description><category></category></item><item><title><![CDATA[Java保留两位小数  and 浮点数精确计算  and BigDecimal介绍]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/39436597</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/39436597</guid><author>CAREIT</author><pubDate>Sat, 20 Sep 2014 22:40:41 +0800</pubDate><description><![CDATA[java保留两位小数  

2012-12-14 15:02:45|  分类： JAVA|举报|字号 订阅








java保留两位小数问题：

方式一：

四舍五入  
double   f   =   111231.5585;  
BigDecimal   b   =   new   BigDecimal(f);  
double   f1   = ]]></description><category></category></item><item><title><![CDATA[Mysql  忘记root密码 修改root密码 解决方法]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/38977135</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/38977135</guid><author>CAREIT</author><pubDate>Mon, 01 Sep 2014 10:49:47 +0800</pubDate><description><![CDATA[1
用SET PASSWORD命令
 mysql -u root  
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');


2]]></description><category></category></item><item><title><![CDATA[网络连接状况 ping telnet]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/24049225</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/24049225</guid><author>CAREIT</author><pubDate>Fri, 18 Apr 2014 21:15:01 +0800</pubDate><description><![CDATA[测试网络连接状况
1.ping]]></description><category></category></item><item><title><![CDATA[java jdk 安装 环境配置 及 错误处理]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/21042359</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/21042359</guid><author>CAREIT</author><pubDate>Tue, 01 Apr 2014 14:31:38 +0800</pubDate><description><![CDATA[1.java下载
百度或Google：

点击进入官网：


根据电脑系统下载相应版本的jdk;


设置环境变量
计算机->属性->高级系统设置->环境变量

新建系统变量JAVA_HOME 和CLASSPATH 
变量名：JAVA_HOME 
变量值：C:\Program Files\Java\jdk1.7.0
变量名：CLASSPATH 
变量值：.;%JAV]]></description><category></category></item><item><title><![CDATA[Jsp 报错 错误 PWC6188: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/22624249</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/22624249</guid><author>CAREIT</author><pubDate>Tue, 01 Apr 2014 14:29:21 +0800</pubDate><description><![CDATA[1:http://java.sun.com/jsp/jstl/core" prefix="c" %>

问题：编译错误
原因：缺少jstl.jar 和standard.jar
解决方案：在webroot/web-inf/lib（没有则自己创建）下添加（拷贝进）两个包
2：This absolute uri http://java.sun.com/jsp/jstl/core)
 cann]]></description><category></category></item><item><title><![CDATA[SAE 发布jsp 错误   Error 404]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/22730997</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/22730997</guid><author>CAREIT</author><pubDate>Tue, 01 Apr 2014 14:28:02 +0800</pubDate><description><![CDATA[1.Error 404 – Not Found.No context on this server matched or handled this request.
Contexts known to this server are
问题描述：在Eclipse中部署发布没有问题，当发布到SAE是显示如题目的错误。
问题原因：jdk版本问题，原来的是以jdk.1.7编译的，后来改成jdk1.6]]></description><category></category></item><item><title><![CDATA[Android Activity 标题栏 自定义 和 设置]]></title><link>https://blog.youkuaiyun.com/CAREIT/article/details/21528337</link><guid>https://blog.youkuaiyun.com/CAREIT/article/details/21528337</guid><author>CAREIT</author><pubDate>Wed, 19 Mar 2014 14:22:12 +0800</pubDate><description><![CDATA[1. Android Activity 标题栏


2.自定义方法
2.1
 		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		//android.util.AndroidRuntimeException：requestFeature（）必须在添加内容之前调用
		getWi]]></description><category></category></item></channel></rss>