<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[cuichao420的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/cuichao420</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; cuichao420]]></copyright><item><title><![CDATA[mysql 5.7安装服务无法启动问题解决方法]]></title><link>https://blog.youkuaiyun.com/cuichao420/article/details/54849293</link><guid>https://blog.youkuaiyun.com/cuichao420/article/details/54849293</guid><author>cuichao420</author><pubDate>Fri, 03 Feb 2017 20:34:07 +0800</pubDate><description><![CDATA[0. 如果目录下有data文件的先删除掉data文件
1. mysqld remove清除掉原来的服务
2. mysqld -install重新安装
3. 然后mysqld --initialize-insecure产生无密码的帐号
4. net start mysql启动服务
5. mysql -u root -p
6. 到输入密码界面直接回车，密码为空
7. 成功]]></description><category></category></item><item><title><![CDATA[小方法]]></title><link>https://blog.youkuaiyun.com/cuichao420/article/details/8766798</link><guid>https://blog.youkuaiyun.com/cuichao420/article/details/8766798</guid><author>cuichao420</author><pubDate>Sun, 07 Apr 2013 11:30:37 +0800</pubDate><description><![CDATA[1.获取内存和SD卡的~
  public static boolean externalMemoryAvailable() {
 return Environment.getExternalStorageState().equals("mounted");
   }
public static String getAvailableExternalMemorySize(Context c]]></description><category></category></item><item><title><![CDATA[Android BroadcastReceiver介绍]]></title><link>https://blog.youkuaiyun.com/cuichao420/article/details/8766632</link><guid>https://blog.youkuaiyun.com/cuichao420/article/details/8766632</guid><author>cuichao420</author><pubDate>Sun, 07 Apr 2013 11:00:11 +0800</pubDate><description><![CDATA[Android BroadcastReceiver介绍


本文主要介绍BroadcastReceiver的概念、使用、生命周期、安全性、分类、特殊的BroadcastReceiver（本地、粘性、有序、粘性有序广播）。代码地址BroadcastReceiverDemo@GoogleCode

 

1、概念介绍及两种注册方式的区别

BroadcastReceiver作为And]]></description><category></category></item><item><title><![CDATA[android系统如何自适应屏幕大小]]></title><link>https://blog.youkuaiyun.com/cuichao420/article/details/8766560</link><guid>https://blog.youkuaiyun.com/cuichao420/article/details/8766560</guid><author>cuichao420</author><pubDate>Sun, 07 Apr 2013 10:48:54 +0800</pubDate><description><![CDATA[1、屏幕相关概念 
1.1分辨率 
是指屏幕上有横竖各有多少个像素 
1.2屏幕尺寸 
指的是手机实际的物理尺寸，比如常用的2.8英寸，3.2英寸，3.5英寸，3.7英寸 
android将屏幕大小分为四个级别（small，normal，large，and extra large）。 
1.3屏幕密度 
每英寸像素数 
手机可以有相同的分辨率，但屏幕尺寸可以不相同， 
Diago]]></description><category></category></item><item><title><![CDATA[Android打开系统设置界面]]></title><link>https://blog.youkuaiyun.com/cuichao420/article/details/8174569</link><guid>https://blog.youkuaiyun.com/cuichao420/article/details/8174569</guid><author>cuichao420</author><pubDate>Mon, 12 Nov 2012 15:11:56 +0800</pubDate><description><![CDATA[Android软件时，常常需要打开系统设置或信息界面，来设置相关系统项或查看系统的相关信息，这时我们就可以使用以下语句来实现：（如打开“无线和网络设置”界面）
　　Intent intent = new Intent("/");
　　ComponentName cm = new ComponentName("com.android.settings","com.android.settings]]></description><category></category></item><item><title><![CDATA[Android-开启和关闭wifi的代码段]]></title><link>https://blog.youkuaiyun.com/cuichao420/article/details/8174556</link><guid>https://blog.youkuaiyun.com/cuichao420/article/details/8174556</guid><author>cuichao420</author><pubDate>Mon, 12 Nov 2012 15:09:55 +0800</pubDate><description><![CDATA[1·申请权限：
android.permission.ACCESS_WIFI_STATE 
android.permission.CHANGE_WIFI_STATE 
android.permission.WAKE_LOCK
2·获取WifiManager
wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SER]]></description><category></category></item></channel></rss>