为menu 等触控按键添加震动

froyo\frameworks\policies\base\phone\com\android\internal\policy\impl\PhoneWindowManager.java

 

 

line 1957 加入

 

 

}else if(code == KeyEvent.KEYCODE_MENU ||
            code ==KeyEvent.KEYCODE_BACK || code ==KeyEvent.KEYCODE_SEARCH || code ==KeyEvent.KEYCODE_HOME){
    if (down){
              performHapticFeedbackLw(null, HapticFeedbackConstants.KEYBOARD_TAP, false);
    }else{

    }
   }