59 lines
1.8 KiB
Java
59 lines
1.8 KiB
Java
package org.mercury_im.messenger.ui.roster;
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import androidx.lifecycle.Observer;
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import androidx.lifecycle.ViewModelProviders;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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import android.os.Bundle;
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import androidx.recyclerview.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import org.mercury_im.messenger.R;
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import org.mercury_im.messenger.persistence.room.model.RoomContactModel;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A placeholder fragment containing a simple view.
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*/
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public class RosterFragment extends Fragment {
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private RosterViewModel rosterViewModel;
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private RosterRecyclerViewAdapter recyclerViewAdapter;
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private RecyclerView recyclerView;
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public RosterFragment() {
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.fragment_roster_entry_list, container, false);
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recyclerView = view.findViewById(R.id.roster_entry_list__recycler_view);
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recyclerViewAdapter = new RosterRecyclerViewAdapter(new ArrayList<>());
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recyclerView.setAdapter(recyclerViewAdapter);
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rosterViewModel = ViewModelProviders.of(getActivity()).get(RosterViewModel.class);
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observeViewModel(rosterViewModel);
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return view;
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}
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private void observeViewModel(RosterViewModel viewModel) {
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viewModel.getRosterEntryList().observe(this, new Observer<List<RoomContactModel>>() {
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@Override
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public void onChanged(@Nullable List<RoomContactModel> rosterEntries) {
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if (rosterEntries == null) {
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return;
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}
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recyclerViewAdapter.setItems(rosterEntries);
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}
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});
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}
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}
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