android 添加一个按键键值

1.frameworks/base/data/keyboards/Generic.kl （键盘布局文件添加键值映射，这里的键值对应kernel里面的键值，按键名字对应上层keycodes.h里面定义的按键名字）

key 497 GESTURE_WAKELOCK

2.frameworks/base/core/res/res/values/attrs.xml

<enum name="KEYCODE_GESTURE_WAKELOCK" value="267"

3.frameworks\native\include\android\keycodes.h

AKEYCODE_GESTURE_WAKEUP       =267

4.frameworks\native\include\input\InputEventLabels.h

DEFINE_KEYCODE(GESTURE_WAKELOCK)

5.frameworks/base/core/java/android/view/KeyEvent.java

（1）添加键值

public static final int KEYCODE_GESTURE_WAKELOCK = 267;

（2）是否为系统按键或者唤醒功能按键

isSystemKey
isWakeKey

6.frameworks/base/api/current.txt

frameworks/base/api/system-current.txt