为menu 等触控按键添加震动

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

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line 1957 加入

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}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{

????}
???}