<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dw363384521的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dw363384521</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dw363384521]]></copyright><item><title><![CDATA[Android初级教程_onKeyDown监听返回键无效]]></title><link>https://blog.youkuaiyun.com/dw363384521/article/details/32729053</link><guid>https://blog.youkuaiyun.com/dw363384521/article/details/32729053</guid><author>dw363384521</author><pubDate>Fri, 20 Jun 2014 20:10:57 +0800</pubDate><description><![CDATA[当我们的Activity继承了TabActivity,在该类中重写onKeyDown是监听不到返回键的,

具体解决方法如下:

重写dispatchKeyEvent








[java] view
 plaincopy






/** 
 * 退出 
 */  
@Override  
public boolean dispatchK]]></description><category></category></item><item><title><![CDATA[android 系统分辨率单位介绍 转]]></title><link>https://blog.youkuaiyun.com/dw363384521/article/details/32727447</link><guid>https://blog.youkuaiyun.com/dw363384521/article/details/32727447</guid><author>dw363384521</author><pubDate>Fri, 20 Jun 2014 19:30:06 +0800</pubDate><description><![CDATA[1.px (pixels)像素 – 是像素，就是屏幕上实际的像素点单位。
 dip或dp (device independent pixels)设备独立像素， 与设备屏幕有关。
 sp (scaled pixels — best for text size)：类似dp， 主要处理字体的大小。

dpi(dot per inch):屏幕像素密度，每英寸多少像素

density：dens]]></description><category></category></item><item><title><![CDATA[初学者-android开发-listview 分隔线问题 及自定义item]]></title><link>https://blog.youkuaiyun.com/dw363384521/article/details/32344085</link><guid>https://blog.youkuaiyun.com/dw363384521/article/details/32344085</guid><author>dw363384521</author><pubDate>Thu, 19 Jun 2014 21:03:11 +0800</pubDate><description><![CDATA[写本文主要是做个学习笔记，自己用的时间不至于白白浪费]]></description><category></category></item></channel></rss>