в активити
@Overridepublic void onBackPressed()
{
super.onBackPressed();
}
@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event)
{
if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0)
{
return true;
}
return super.onKeyDown(keyCode, event);
}