<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[nullzxy的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/nullzxy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; nullzxy]]></copyright><item><title><![CDATA[查看 arm 编译器的指令集]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/46646321</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/46646321</guid><author>nullzxy</author><pubDate>Fri, 26 Jun 2015 09:53:59 +0800</pubDate><description><![CDATA[1. 找一个编译好的app.
2. 执行 $readelf -a arm_app，在打印信息的最后，显示
Attribute Section: aeabi
File Attributes
  Tag_CPU_name: "ARM v7"
  Tag_CPU_arch: v7
  Tag_CPU_arch_profile: Application
  Tag_ARM_ISA_use: ]]></description><category></category></item><item><title><![CDATA[generateBitmap 函数分析]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/43699019</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/43699019</guid><author>nullzxy</author><pubDate>Tue, 10 Feb 2015 10:12:15 +0800</pubDate><description><![CDATA[static Bitmap generateBitmap(Bitmap bm, int width, int height) {
        if (bm == null) {
            return null;
        }

        bm.setDensity(DisplayMetrics.DENSITY_DEVICE);

        if (width ]]></description><category></category></item><item><title><![CDATA[wallpaperTravelToScreenWidthRatio 函数分析]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/43486349</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/43486349</guid><author>nullzxy</author><pubDate>Wed, 04 Feb 2015 15:26:10 +0800</pubDate><description><![CDATA[简单分析 Android4.0.4里 Launcher2 中的 workspace.java文件中的函数 wallpaperTravelToScreenWidthRatio
    // As a ratio of screen height, the total distance we want the parallax effect to span
    // horizontally]]></description><category></category></item><item><title><![CDATA[Android.mk 中 filter 和 filter-out 的用法]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/42963917</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/42963917</guid><author>nullzxy</author><pubDate>Wed, 21 Jan 2015 09:50:07 +0800</pubDate><description><![CDATA[filter
$(filter word1 word2,$(VARIANTS))
判断变量VARIANTS中是否包含word1和 word2，如果包含就把VARIANTS中包含的word1和word2过滤掉
示例：
VARIANTS := mon tue wed thu fri sat sun

DAY := $(filter sat sun,$(VARIANTS))
$(info]]></description><category></category></item><item><title><![CDATA[bat 重命名文件]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/42712299</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/42712299</guid><author>nullzxy</author><pubDate>Wed, 14 Jan 2015 17:00:05 +0800</pubDate><description><![CDATA[@echo off
rem 注意：
rem 1. 参数不能包含中文；


set apkfile=%1
set name=%~n1
set ext=.zip
set zipfile_short=%name%%ext%


set file=%apkfile:~0,-4%
set zipfile_long=%file%%ext%


echo %zipfile_shor]]></description><category></category></item><item><title><![CDATA[dos 对字符串的处理]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/42711635</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/42711635</guid><author>nullzxy</author><pubDate>Wed, 14 Jan 2015 16:25:01 +0800</pubDate><description><![CDATA[BAT批处理中的字符串处理详解(字符串截取)


下面对这些功能一一进行讲解。

　　1、截取字符串

　　截取字符串可以说是字符串处理功能中最常用的一个子功能了，能够实现截取字符串中的特定位置的一个或多个字符。举例说明其基本功能：



复制代码代码如下:


　　@echo off
　　set ifo=abcdefghijklmnopqrstuvwxyz01234]]></description><category></category></item><item><title><![CDATA[todaywords]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/42519817</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/42519817</guid><author>nullzxy</author><pubDate>Thu, 08 Jan 2015 09:22:31 +0800</pubDate><description><![CDATA[function todaywords()
{
FILE_PATH="/home/xxxxxx/.list"
if [ $# -eq 0 ]; then
today=$(date +%-j)
((today%=67))
start=$today
((start*=100))
((start+=1))
end=$start 
((end+=99))
sed -n "${star]]></description><category></category></item><item><title><![CDATA[合并 apk和 odex 文件到一个apk中]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/23351133</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/23351133</guid><author>nullzxy</author><pubDate>Thu, 10 Apr 2014 14:16:02 +0800</pubDate><description><![CDATA[0. 准备所需文件：
/smali-1.2.5.jar:http://smali.googlecode.com/files/smali-1.2.5.jar
http://smali.googlecode.com/files/baksmali-1.2.5.jar 


1. java -jar baksmali-1.2.5.jar -x yourfile.odex
生成一个out 文件夹]]></description><category></category></item><item><title><![CDATA[showmesomewords]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/22036739</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/22036739</guid><author>nullzxy</author><pubDate>Tue, 25 Mar 2014 09:14:01 +0800</pubDate><description><![CDATA[function showmesomewords()
{
    start=$(($RANDOM%6673))
    end=$start
    ((end+=9))


    sed -n "${start},${end}p" /home/xxxxxx/.list
}]]></description><category></category></item><item><title><![CDATA[copyfromandroid]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/22036281</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/22036281</guid><author>nullzxy</author><pubDate>Tue, 25 Mar 2014 09:10:09 +0800</pubDate><description><![CDATA[function copyfromandroid()
{
    ROOT_DIR="/home/zhouxiyuan/android4.0"
    DEST_DIR="/contec/zhouxiyuan/"
    if [ $# -ne 1 ]; then
        echo "Usage: copyfromandroid file"
        echo "  co]]></description><category></category></item><item><title><![CDATA[编译前进行配置选择]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/19156705</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/19156705</guid><author>nullzxy</author><pubDate>Thu, 13 Feb 2014 11:46:43 +0800</pubDate><description><![CDATA[#!/bin/sh

echo "Supported types:\n"
echo "	1 - LCD of 5 inch, 800x480\n"
echo "	2 - LCD of 8 inch, 800x600\n"
echo "	3 - LCD of 8 inch, 1024x768\n"
echo "Please choose:"


local ANSWER

if read ANSWE]]></description><category></category></item><item><title><![CDATA[vim 中的批量查找替换]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/18254131</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/18254131</guid><author>nullzxy</author><pubDate>Tue, 14 Jan 2014 09:24:28 +0800</pubDate><description><![CDATA[:%s/from/to/
表示在全文查找from并替换为to。


:1,50s/from/to/
表示在第1行和第50行之间（包括1和50行）进行搜索和替换。


:45s/from/to/
表示仅仅在第45行进行搜索和替换。]]></description><category></category></item><item><title><![CDATA[倒计时小程序]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/10492307</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/10492307</guid><author>nullzxy</author><pubDate>Thu, 29 Aug 2013 09:56:51 +0800</pubDate><description><![CDATA[#include 
#include 

int main(int argc, char *argv[])
{
	int i;
	int num = 0;
	char c_num;

	printf("please enter a countdown number[1-9]:");
	
	c_num = getchar();
	getchar();

	num = atoi((const char]]></description><category></category></item><item><title><![CDATA[wget  命令下载远程ftp服务器上的文件]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/10437645</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/10437645</guid><author>nullzxy</author><pubDate>Wed, 28 Aug 2013 11:48:46 +0800</pubDate><description><![CDATA[通过wget  命令下载远程ftp服务器上的文件， 格式如下：

$wget    --ftp-user=xxx --ftp-password=xxx -r ftp://10.10.10.10/xxx/xxx.zip]]></description><category></category></item><item><title><![CDATA[如何解压 ramdisk.img]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/9995203</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/9995203</guid><author>nullzxy</author><pubDate>Fri, 16 Aug 2013 08:33:21 +0800</pubDate><description><![CDATA[1. ramdisk.img是一个gzip格式的文件，我们只需要进行标准的解压缩操作。

2. 解压操作命令
$mv ramdisk.img ramdisk.img.gz
$gunzip  ramdisk.img.gz 
$mkdir extracted-dir
$cd extracted-dir/
$cpio -i -F ../ramdisk.img

-i, --extrac]]></description><category></category></item><item><title><![CDATA[如何解压 system.img]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/9977981</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/9977981</guid><author>nullzxy</author><pubDate>Thu, 15 Aug 2013 09:47:28 +0800</pubDate><description><![CDATA[1. android 编译完成之后系统镜像会打包成system.img，一般system.img会有不同的格式，根据格式的不同，我们解压需要用不同的工具，在android4.0.4系统中，发现system.img是ext4格式打包的文件，这里做下简单介绍。

2. 涉及工具，ext4_utils，在网上下载，解压后，里面包括：make_ext4fs  mkuserimg.sh  simg2im]]></description><category></category></item><item><title><![CDATA[extract-cpio.sh]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/9947717</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/9947717</guid><author>nullzxy</author><pubDate>Tue, 13 Aug 2013 14:25:22 +0800</pubDate><description><![CDATA[#!/bin/bash

IMG_FILE=$1

CLONE_FILE="clone-"$IMG_FILE
echo "extract $IMG_FILE ..."
GZ_FILE=$CLONE_FILE".gz"

cp $IMG_FILE $CLONE_FILE
mv $CLONE_FILE $GZ_FILE

gunzip $GZ_FILE

OUT_DIR=${IMG_FILE%.*}]]></description><category></category></item><item><title><![CDATA[a10修改默认语言]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/9924857</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/9924857</guid><author>nullzxy</author><pubDate>Mon, 12 Aug 2013 14:29:30 +0800</pubDate><description><![CDATA[修改android4.0\device\softwinner\crane-common\ProductCommon.mk

 

配置段:

PRODUCT_PROPERTY_OVERRIDES += \

       ro.kernel.android.checkjni=0 \

       persist.sys.timezone=Europe/London \

]]></description><category></category></item><item><title><![CDATA[A10 Nand Flash空间新增一个共享分区方法]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/9924455</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/9924455</guid><author>nullzxy</author><pubDate>Mon, 12 Aug 2013 14:24:20 +0800</pubDate><description><![CDATA[Nand Flash空间新增一个共享分区方法

    首先，这里说的共享分区指的是可以Share到PC,也就是Android平台接到PC时，可以在Nand分区和PC相互拷贝资料。

    需要指出的是，在目前全志A10软件中，对于Nand
 Flash的分区总数是9个分区。

    è参见文件:
 lichee\tools\pack\chips\sun4i\configs\c]]></description><category></category></item><item><title><![CDATA[Android系统镜像介绍]]></title><link>https://blog.youkuaiyun.com/nullzxy/article/details/9915257</link><guid>https://blog.youkuaiyun.com/nullzxy/article/details/9915257</guid><author>nullzxy</author><pubDate>Mon, 12 Aug 2013 08:15:58 +0800</pubDate><description><![CDATA[boot.img 
 
ramdisk.img 
 
ramdisk-recovery.img 
 
recovery.img 
 
system.img 
 
userdata.img]]></description><category></category></item></channel></rss>