65 lines
1.9 KiB
Java
65 lines
1.9 KiB
Java
package org.mercury_im.messenger.ui.roster;
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import static androidx.constraintlayout.widget.Constraints.TAG;
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import android.content.Context;
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import android.os.Bundle;
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import android.util.Log;
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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 androidx.fragment.app.Fragment;
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import androidx.lifecycle.ViewModelProviders;
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import androidx.recyclerview.widget.RecyclerView;
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import butterknife.BindView;
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import butterknife.ButterKnife;
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import org.mercury_im.messenger.R;
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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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@BindView(R.id.roster_entry_list__recycler_view)
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RecyclerView recyclerView;
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private final RosterRecyclerViewAdapter recyclerViewAdapter = new RosterRecyclerViewAdapter();
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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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ButterKnife.bind(this, view);
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recyclerView.setAdapter(recyclerViewAdapter);
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return view;
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}
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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rosterViewModel = ViewModelProviders.of(getActivity()).get(RosterViewModel.class);
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observeViewModel(rosterViewModel);
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}
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private void observeViewModel(RosterViewModel viewModel) {
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viewModel.getRosterEntryList().observe(this, rosterEntries -> {
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if (rosterEntries == null) {
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Log.d(TAG, "Displaying null roster entries");
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return;
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}
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recyclerViewAdapter.setModels(rosterEntries);
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Log.d(TAG, "Displaying " + rosterEntries.size() + " roster entries");
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});
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}
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}
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