android 设置默认状态的改变

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默认灭屏时间/亮度/时区/蓝牙开关

frameworks/base/packages/SettingsProvider/res/values/defaults.xml

<!-- Default screen brightness, from 0 to 255.  102 is 40%. --><integer name="def_screen_off_timeout">30000</integer>//30s<integer name="def_screen_brightness">128</integer><string name="def_time_12_24" translatable="false">24</string><bool name="def_bluetooth_on">true</bool>

默认12/24小时为24小时

frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java

loadStringSetting(stmt, Settings.System.TIME_12_24, R.string.def_time_12_24);//默认24时制mUtils.loadCustomSystemSettings(stmt);

设置默认语言为中文

device/xxx/xxx/device.mk

# default timezone Asia/Shanghai,GMT+08:00 China Standard TimePRODUCT_PROPERTY_OVERRIDES += persist.sys.timezone=Asia/Shanghai#default language,chinese simplePRODUCT_PROPERTY_OVERRIDES += persist.sys.locale=zh-CN

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