Android 控制键

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重点内容

public boolean dispatchKeyEvent(KeyEvent event) {        boolean down = event.getAction() == KeyEvent.ACTION_DOWN;        switch (event.getKeyCode()) {            case KeyEvent.KEYCODE_BACK:                if (!down) {                    mService.onBackPressed();                }                return true;            case KeyEvent.KEYCODE_MENU:                if (!down) {                    return mService.onMenuPressed();                }

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重点内容