fragment(6) BACK 键返回

在它的根activity中

@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {// TODO Auto-generated method stubif(KeyEvent.KEYCODE_BACK == keyCode){if(getFragmentManager().getBackStackEntryCount() > 0){getFragmentManager().popBackStack();return true;}}return super.onKeyDown(keyCode, event);}