Separated list logic from application logic, support for multiple list fragments
This commit is contained in:
Daniele Verducci (Slimpenguin)
+160
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package it.danieleverducci.nextcloudmaps.fragments;
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import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.SORT_BY_CATEGORY;
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import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.SORT_BY_CREATED;
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import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.SORT_BY_DISTANCE;
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import static it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter.SORT_BY_TITLE;
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import android.os.Bundle;
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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 android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.widget.AppCompatImageView;
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import androidx.fragment.app.Fragment;
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import androidx.fragment.app.FragmentManager;
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import androidx.fragment.app.FragmentTransaction;
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import androidx.lifecycle.Observer;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.recyclerview.widget.StaggeredGridLayoutManager;
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
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import java.util.List;
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import it.danieleverducci.nextcloudmaps.R;
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import it.danieleverducci.nextcloudmaps.activity.main.GeofavoriteAdapter;
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import it.danieleverducci.nextcloudmaps.activity.main.MainActivity;
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import it.danieleverducci.nextcloudmaps.activity.main.SortingOrderDialogFragment;
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import it.danieleverducci.nextcloudmaps.model.Geofavorite;
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import it.danieleverducci.nextcloudmaps.utils.SettingsManager;
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public class GeofavoriteListFragment extends GeofavoritesFragment implements SortingOrderDialogFragment.OnSortingOrderListener {
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private SwipeRefreshLayout swipeRefresh;
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private RecyclerView recyclerView;
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private LinearLayoutManager layoutManager;
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private GeofavoriteAdapter geofavoriteAdapter;
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private GeofavoriteAdapter.ItemClickListener rvItemClickListener;
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@Nullable
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View v = inflater.inflate(R.layout.fragment_geofavorite_list, container, false);
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// Setup list
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int sortRule = SettingsManager.getGeofavoriteListSortBy(requireContext());
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recyclerView = v.findViewById(R.id.recycler_view);
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layoutManager = new LinearLayoutManager(requireContext());
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recyclerView.setLayoutManager(layoutManager);
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rvItemClickListener = new GeofavoriteAdapter.ItemClickListener() {
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@Override
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public void onItemClick(Geofavorite item) {
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openGeofavorite(item);
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}
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@Override
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public void onItemShareClick(Geofavorite item) {
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shareGeofavorite(item);
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}
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@Override
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public void onItemNavClick(Geofavorite item) {
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navigateToGeofavorite(item);
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}
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@Override
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public void onItemDeleteClick(Geofavorite item) {
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deleteGeofavorite(item);
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}
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};
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geofavoriteAdapter = new GeofavoriteAdapter(requireContext(), rvItemClickListener);
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recyclerView.setAdapter(geofavoriteAdapter);
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geofavoriteAdapter.setSortRule(sortRule);
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// Register for data source events
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mGeofavoritesFragmentViewModel.getIsUpdating().observe(this, new Observer<Boolean>() {
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@Override
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public void onChanged(@Nullable Boolean changed) {
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if(Boolean.TRUE.equals(changed)){
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swipeRefresh.setRefreshing(true);
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}
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else{
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swipeRefresh.setRefreshing(false);
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}
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}
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});
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mGeofavoritesFragmentViewModel.getGeofavorites().observe(this, new Observer<List<Geofavorite>>() {
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@Override
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public void onChanged(List<Geofavorite> geofavorites) {
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geofavoriteAdapter.setGeofavoriteList(geofavorites);
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}
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});
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// Setup view listeners
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swipeRefresh = v.findViewById(R.id.swipe_refresh);
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swipeRefresh.setOnRefreshListener(() ->
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mGeofavoritesFragmentViewModel.updateGeofavorites());
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AppCompatImageView sortButton = v.findViewById(R.id.sort_mode);
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sortButton.setOnClickListener(view -> openSortingOrderDialogFragment(geofavoriteAdapter.getSortRule()));
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return v;
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}
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@Override
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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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// Set icons
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// Setup list
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int sortRule = SettingsManager.getGeofavoriteListSortBy(requireContext());
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updateSortingIcon(sortRule);
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}
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public void onSearch(String query) {
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geofavoriteAdapter.getFilter().filter(query);
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}
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@Override
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public void onSortingOrderChosen(int sortSelection) {
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geofavoriteAdapter.setSortRule(sortSelection);
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updateSortingIcon(sortSelection);
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SettingsManager.setGeofavoriteListSortBy(requireContext(), sortSelection);
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}
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private void openSortingOrderDialogFragment(int sortOrder) {
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FragmentTransaction fragmentTransaction = requireActivity().getSupportFragmentManager().beginTransaction();
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fragmentTransaction.addToBackStack(null);
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SortingOrderDialogFragment sodf = SortingOrderDialogFragment.newInstance(sortOrder);
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sodf.setOnSortingOrderListener(this);
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sodf.show(fragmentTransaction, SortingOrderDialogFragment.SORTING_ORDER_FRAGMENT);
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}
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private void updateSortingIcon(int sortSelection) {
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AppCompatImageView sortButton = requireView().findViewById(R.id.sort_mode);
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switch (sortSelection) {
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case SORT_BY_TITLE:
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sortButton.setImageResource(R.drawable.ic_alphabetical_asc);
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break;
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case SORT_BY_CREATED:
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sortButton.setImageResource(R.drawable.ic_modification_asc);
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break;
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case SORT_BY_CATEGORY:
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sortButton.setImageResource(R.drawable.ic_category_asc);
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break;
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case SORT_BY_DISTANCE:
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sortButton.setImageResource(R.drawable.ic_distance_asc);
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break;
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}
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}
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}
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+99
@@ -0,0 +1,99 @@
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package it.danieleverducci.nextcloudmaps.fragments;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.os.Bundle;
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import android.widget.Toast;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.AlertDialog;
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import androidx.fragment.app.Fragment;
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import androidx.lifecycle.Observer;
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import androidx.lifecycle.ViewModelProvider;
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import it.danieleverducci.nextcloudmaps.R;
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import it.danieleverducci.nextcloudmaps.activity.detail.GeofavoriteDetailActivity;
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import it.danieleverducci.nextcloudmaps.activity.main.GeofavoritesFragmentViewModel;
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import it.danieleverducci.nextcloudmaps.model.Geofavorite;
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import it.danieleverducci.nextcloudmaps.utils.IntentGenerator;
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/**
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* Separates the specific list/map implementation details providing a standard interface
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* to communicate with the activity
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*/
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public abstract class GeofavoritesFragment extends Fragment {
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protected GeofavoritesFragmentViewModel mGeofavoritesFragmentViewModel;
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@Override
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public void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mGeofavoritesFragmentViewModel = new ViewModelProvider(this).get(GeofavoritesFragmentViewModel.class);
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mGeofavoritesFragmentViewModel.init(requireContext());
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mGeofavoritesFragmentViewModel.getOnFinished().observe(this, new Observer<Boolean>() {
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@Override
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public void onChanged(@Nullable Boolean success) {
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if(success == null || !success){
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Toast.makeText(requireContext(), R.string.list_geofavorite_connection_error, Toast.LENGTH_LONG).show();
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}
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}
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});
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}
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@Override
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public void onStart() {
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super.onStart();
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mGeofavoritesFragmentViewModel.updateGeofavorites();
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}
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abstract public void onSearch(String query);
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protected void openGeofavorite(Geofavorite item) {
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showGeofavoriteDetailActivity(item);
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}
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protected void shareGeofavorite(Geofavorite item) {
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startActivity(Intent.createChooser(IntentGenerator.newShareIntent(requireActivity(), item), getString(R.string.share_via)));
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}
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protected void navigateToGeofavorite(Geofavorite item) {
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startActivity(IntentGenerator.newGeoUriIntent(requireActivity(), item));
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}
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protected void deleteGeofavorite(Geofavorite item) {
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showGeofavoriteDeteleDialog(item);
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}
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private void showGeofavoriteDetailActivity(Geofavorite item) {
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Intent i = new Intent(requireContext(), GeofavoriteDetailActivity.class);
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i.putExtra(GeofavoriteDetailActivity.ARG_GEOFAVORITE, item.getId());
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startActivity(i);
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}
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private void showGeofavoriteDeteleDialog(Geofavorite item) {
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AlertDialog.Builder builder = new AlertDialog.Builder(requireContext());
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builder.setMessage(getString(R.string.dialog_delete_message).replace("{name}", item.getName() != null ? item.getName() : ""))
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.setTitle(R.string.dialog_delete_title)
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.setPositiveButton(R.string.dialog_delete_delete, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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mGeofavoritesFragmentViewModel.deleteGeofavorite(item);
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dialog.dismiss();
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}
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})
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.setNegativeButton(R.string.dialog_delete_cancel, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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dialog.dismiss();
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}
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});
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AlertDialog ad = builder.create();
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ad.show();
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}
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}
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