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我有“孩子已经有父母”错误接近许多人已经得到,但是,我得到它做不同的事情(尽可能我的搜索显示了我)。我假设我添加片段的方式不一定是错误的,但是我不能为我的生活弄清楚我添加的片段是如何拥有父项的。不能启动片段:指定的孩子已经有父母
我从我的主要活动启动使用片段加载到FrameLayout。这里是从的onCreate我的主要活动:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
realm = Realm.getDefaultInstance();
if (savedInstanceState == null) {
}
tripsFragment = new CarTripsOverview();
getSupportFragmentManager().beginTransaction().add(R.id.content_container, tripsFragment).commit();
}
这里是这对CarTripsOverview(这是一个片段)运行方式:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
}
setUpRealm();
}
void setUpRealm() {
realm = Realm.getDefaultInstance();
RealmQuery<Car> carQuery = realm.where(Car.class);
RealmResults<Car> carResults = carQuery.findAll();
carAdapter = new CarArrayAdapter(getActivity(),0, carResults, true);
RealmQuery<Trip> tripQuery = realm.where(Trip.class);
RealmResults<Trip> tripResults = tripQuery.findAll();
tripAdapter = new TripAdapterRealm(getActivity(), 0, tripResults, true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_car_trips_overview, container, true);
// Bind all of the views with Butter Knife
ButterKnife.bind(this, view);
setUpSwipeMenu();
// Add my event listeners
tripListView.setAdapter(tripAdapter);
carSpinner.setAdapter(carAdapter);
return view;
}
void setUpSwipeMenu() {
SwipeMenuCreator creator = new SwipeMenuCreator() {
@Override
public void create(SwipeMenu menu) {
SwipeMenuItem deleteItem = new SwipeMenuItem(getContext());
deleteItem.setBackground(new ColorDrawable(Color.RED));
deleteItem.setWidth(MathHelper.dipToPixels(getContext(), 90));
deleteItem.setTitle("Delete");
deleteItem.setTitleColor(Color.WHITE);
deleteItem.setTitleSize(18);
menu.addMenuItem(deleteItem);
}
};
tripListView.setMenuCreator(creator);
tripListView.setOnMenuItemClickListener(new SwipeMenuListView.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(int position, SwipeMenu menu, int index) {
Trip trip = tripAdapter.getItem(position);
switch (index) {
case 0:
delete(trip);
tripAdapter.notifyDataSetChanged();
break;
}
return false;
}
});
}
我最大的问题是,我只是不明白就在我将孩子添加到父母的地方,那里已经有了父母。
我所有的源代码都可以找到here。