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package de.danoeh.antennapod.fragment.gpodnet;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ProgressBar;
import android.widget.TextView;
import androidx.fragment.app.Fragment;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.activity.OnlineFeedViewActivity;
import de.danoeh.antennapod.adapter.gpodnet.PodcastListAdapter;
import de.danoeh.antennapod.core.preferences.GpodnetPreferences;
import de.danoeh.antennapod.core.service.download.AntennapodHttpClient;
import de.danoeh.antennapod.net.sync.gpoddernet.GpodnetService;
import de.danoeh.antennapod.net.sync.gpoddernet.GpodnetServiceException;
import de.danoeh.antennapod.net.sync.gpoddernet.model.GpodnetPodcast;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import java.util.List;
/**
* Displays a list of GPodnetPodcast-Objects in a GridView
*/
public abstract class PodcastListFragment extends Fragment {
private static final String TAG = "PodcastListFragment";
private GridView gridView;
private ProgressBar progressBar;
private TextView txtvError;
private Button butRetry;
private Disposable disposable;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.gpodnet_podcast_list, container, false);
gridView = root.findViewById(R.id.gridView);
progressBar = root.findViewById(R.id.progressBar);
txtvError = root.findViewById(R.id.txtvError);
butRetry = root.findViewById(R.id.butRetry);
gridView.setOnItemClickListener((parent, view, position, id) ->
onPodcastSelected((GpodnetPodcast) gridView.getAdapter().getItem(position)));
butRetry.setOnClickListener(v -> loadData());
loadData();
return root;
}
private void onPodcastSelected(GpodnetPodcast selection) {
Log.d(TAG, "Selected podcast: " + selection.toString());
Intent intent = new Intent(getActivity(), OnlineFeedViewActivity.class);
intent.putExtra(OnlineFeedViewActivity.ARG_FEEDURL, selection.getUrl());
intent.putExtra(MainActivity.EXTRA_STARTED_FROM_SEARCH, true);
startActivity(intent);
}
protected abstract List<GpodnetPodcast> loadPodcastData(GpodnetService service) throws GpodnetServiceException;
final void loadData() {
if (disposable != null) {
disposable.dispose();
}
gridView.setVisibility(View.GONE);
progressBar.setVisibility(View.VISIBLE);
txtvError.setVisibility(View.GONE);
butRetry.setVisibility(View.GONE);
disposable = Observable.fromCallable(
() -> {
GpodnetService service = new GpodnetService(AntennapodHttpClient.getHttpClient(),
GpodnetPreferences.getHosturl(), GpodnetPreferences.getDeviceID(),
GpodnetPreferences.getUsername(), GpodnetPreferences.getPassword());
return loadPodcastData(service);
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
podcasts -> {
progressBar.setVisibility(View.GONE);
butRetry.setVisibility(View.GONE);
if (podcasts.size() > 0) {
PodcastListAdapter listAdapter = new PodcastListAdapter(getContext(), 0, podcasts);
gridView.setAdapter(listAdapter);
listAdapter.notifyDataSetChanged();
gridView.setVisibility(View.VISIBLE);
txtvError.setVisibility(View.GONE);
} else {
gridView.setVisibility(View.GONE);
txtvError.setText(getString(R.string.search_status_no_results));
txtvError.setVisibility(View.VISIBLE);
}
}, error -> {
gridView.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
txtvError.setText(getString(R.string.error_msg_prefix) + error.getMessage());
txtvError.setVisibility(View.VISIBLE);
butRetry.setVisibility(View.VISIBLE);
Log.e(TAG, Log.getStackTraceString(error));
});
}
}
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