本文转载自:http://blog.csdn.net/u012719256/article/details/52526046
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"
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3.frameworks\native\include\android\keycodes.h
AKEYCODE_GESTURE_WAKEUP =267
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4.frameworks\native\include\input\InputEventLabels.h
DEFINE_KEYCODE(GESTURE_WAKELOCK)
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5.frameworks/base/core/java/android/view/KeyEvent.java
(1)添加键值
public static final int KEYCODE_GESTURE_WAKELOCK = 267;
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(2)是否为系统按键或者唤醒功能按键
isSystemKey
isWakeKey
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6.frameworks/base/api/current.txt
frameworks/base/api/system-current.txt