@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
playground = (PlaygroundFragment) getFragmentManager().findFragmentByTag(TAG_PLAYGROUND);
result = (ResultFragment) getFragmentManager().findFragmentByTag(TAG_RESULT);
if (playground == null) {
playground = new PlaygroundFragment();
getFragmentManager()
.beginTransaction()
.add(android.R.id.content, playground, TAG_PLAYGROUND)
.commit();
}
if (result == null) {
result = ResultFragment.newInstance();
getFragmentManager()
.beginTransaction()
.add(android.R.id.content, result, TAG_RESULT)
.hide(result)
.commit();
}
if (!playground.isVisible() && !result.isVisible()) {
getFragmentManager().beginTransaction().hide(result).show(playground).commit();
}
}
