android 添加一个按键键值【转】

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 ativeincludeandroidkeycodes.h

 AKEYCODE_GESTURE_WAKEUP       =267     

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4.frameworks ativeincludeinputInputEventLabels.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