android 添加一個按鍵鍵值【轉】

本文轉載自：http://blog.csdn.net/u012719256/article/details/52526046

1.frameworks/base/data/keyboards/Generic.kl （鍵盤佈局文件添加鍵值映射，這裏的鍵值對應kernel裏面的鍵值，按鍵名字對應上層keycodes.h裏面定義的按鍵名字） 
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）添加鍵值

public static final int KEYCODE_GESTURE_WAKELOCK = 267; 

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（2）是否爲系統按鍵或者喚醒功能按鍵

isSystemKey
    isWakeKey

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6.frameworks/base/api/current.txt 
frameworks/base/api/system-current.txt