android rom 修改

build.prop 修改

原文：
http://www.angeeks.com/thread-1202976-1-1.html

以下为推荐值，其他参考原文，根据具体情况而定 

游戏性能加速：
debug.sf.hw=1，原来的值是0。这个是启用了硬件GUI渲染。

媒体播放
media.stagefright.enable-meta=true
media.stagefright.enable-scan=true
media.stagefright.enable-http=true
media.stagefright.enable-player=true

定位加速：
2.打开AGPS服务支持，0 省电但GPS定位速度会变慢
ro.ril.def.agps.mode=2

定义默认中文和中国时区：
 
persist.sys.language=zh 
persist.sys.country=CN 
persist.sys.localevar= 
persist.sys.timezone=Asia/Shanghai

#fix apps that need to connect to a server that Force Close

ro.kernel.Android.checkjni=0

/etc/gps.conf 修改

NTP_SERVER=cn.pool.ntp.org
NTP_SERVER=0.asia.pool.ntp.org
NTP_SERVER=1.asia.pool.ntp.org
NTP_SERVER=2.asia.pool.ntp.org
NTP_SERVER=3.asia.pool.ntp.org
XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin
XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin
XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin

# Intermediate position report, 1=enable, 0=disable
INTERMEDIATE_POS=1

# Accuracy threshold for intermediate positions
# less accurate positions are ignored, 0 for passing all positions
ACCURACY_THRES=0

################################
##### AGPS server settings #####
################################

# FOR SUPL SUPPORT, set the following
# SUPL_HOST=supl.google.com
SUPL_HOST=supl.nokia.com
SUPL_PORT=7276

################################
# Wiper (wifi positioning), 1=enable, 0=disable
ENABLE_WIPER=1

#################################
##### AGPS Carrier settings #####
#################################
CURRENT_CARRIER=common
DEFAULT_AGPS_ENABLE=TRUE
DEFAULT_SSL_ENABLE=FALSE

# TRUE for "User Plane", FALSE for "Control Plane"
DEFAULT_USER_PLANE=TRUE

/system/usr/keylayout/qwerty.kl 修改

/system/media/bootanimation.zip 修改开机动画

/system/audio 修改铃声

精简没用的系统语言

systemtt/tts/lang_pico文件夹，里面除了en-US_lh0_sg.bin和en-US_ta.bin以外，全部删了吧

 

/system/app/*.apk

Cyanogenmod apk参考

http://android.zone.it.sohu.com/forums/thread-6247869-1-1.html

http://www.douban.com/group/topic/22262230/