Reputation: 40
I have a Firebase database that I'm fetching data from, but i just can't display fetched data (some text and img)
This is my code in the Fragment:
public class Tab_0 extends Fragment {
RecyclerView mRecyclerView;
FirebaseDatabase mFirebaseDataBase;
DatabaseReference mRef;
DatabaseReference mRefA;
@SuppressLint("RestrictedApi")
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState){
View view = inflater.inflate(R.layout.tab0,container,false);
mRecyclerView = view.findViewById(R.id.recyclerview);
mRecyclerView.setLayoutManager(new LinearLayoutManager(getApplicationContext()));
mRecyclerView.setHasFixedSize(true);
mFirebaseDataBase = FirebaseDatabase.getInstance();
mRef = FirebaseDatabase.getInstance().getReferenceFromUrl("--my url here--");
mRef = mRef.child("pictures");
FirebaseRecyclerAdapter<model,ViewHolder> FirebaseRecyclerAdapter = new FirebaseRecyclerAdapter<model,ViewHolder>(
model.class,
R.layout.card,
ViewHolder.class,
mRef
){
@Override
protected void populateViewHolder(ViewHolder viewHolder,model model,int position){
viewHolder.setDetails( getContext() , model.getImage());
}
};
mRecyclerView.setAdapter(FirebaseRecyclerAdapter);
return view;
}
and i get this from LogCat
No adapter attached skipping layout
I had this outside onCreateView method as suggested before (in another question here) but nothing
@Override
public void onStart(){
super.onStart();
FirebaseRecyclerAdapter<model,ViewHolder> FirebaseRecyclerAdapter =
new FirebaseRecyclerAdapter<model,ViewHolder>(
model.class,
R.layout.card,
ViewHolder.class,
mRef
){
@Override
protected void populateViewHolder(ViewHolder viewHolder,model model,int position){
viewHolder.setImage( getContext() , model.getImage());
}
};
mRecyclerView.setAdapter(FirebaseRecyclerAdapter);
}
but nothing is showing
the viewHolder
public class ViewHolder extends RecyclerView.ViewHolder {
View mView;
public ViewHolder(@NonNull View itemView) {
super(itemView);
mView = itemView;
}
public void setDetails(Context ctx, String image){
ImageView img = mView.findViewById(R.id.img);
Picasso.get().load(image).into(img);
}}
I set getter and setter method at model class.(variable that necessary for holder class)
Upvotes: 0
Views: 81
Reputation: 40
Ok, I got this
the tab_0 xml file was like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerview"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
The solution is that i didn't give it a context:
tools:context=".Tab_0"
Thanks StackOverFlowrs!
Upvotes: 1