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AntennaPod
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Code Issues Packages Projects Releases Wiki Activity

Removed AsyncTask from PodcastListFragment

This commit is contained in:
ByteHamster 2021-02-26 11:22:14 +01:00
parent fb45ceffa6
commit 6eb0ac5596
1 changed files with 43 additions and 57 deletions
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100
app/src/main/java/de/danoeh/antennapod/fragment/gpodnet/PodcastListFragment.java
View File

@ -1,10 +1,7 @@
package de.danoeh.antennapod.fragment.gpodnet;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
@ -13,9 +10,7 @@ import android.widget.Button;
import android.widget.GridView;
import android.widget.ProgressBar;
import android.widget.TextView;
import java.util.List;
import androidx.fragment.app.Fragment;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.activity.OnlineFeedViewActivity;
@ -25,6 +20,12 @@ import de.danoeh.antennapod.core.service.download.AntennapodHttpClient;
import de.danoeh.antennapod.core.sync.gpoddernet.GpodnetService;
import de.danoeh.antennapod.core.sync.gpoddernet.GpodnetServiceException;
import de.danoeh.antennapod.core.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
@ -36,6 +37,7 @@ public abstract class PodcastListFragment extends Fragment {
private ProgressBar progressBar;
private TextView txtvError;
private Button butRetry;
private Disposable disposable;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
@ -64,60 +66,44 @@ public abstract class PodcastListFragment extends Fragment {
protected abstract List<GpodnetPodcast> loadPodcastData(GpodnetService service) throws GpodnetServiceException;
final void loadData() {
AsyncTask<Void, Void, List<GpodnetPodcast>> loaderTask = new AsyncTask<Void, Void, List<GpodnetPodcast>>() {
volatile Exception exception = null;
@Override
protected List<GpodnetPodcast> doInBackground(Void... params) {
try {
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());
return loadPodcastData(service);
} catch (GpodnetServiceException e) {
exception = e;
e.printStackTrace();
return null;
}
}
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
podcasts -> {
progressBar.setVisibility(View.GONE);
butRetry.setVisibility(View.GONE);
@Override
protected void onPostExecute(List<GpodnetPodcast> gpodnetPodcasts) {
super.onPostExecute(gpodnetPodcasts);
final Context context = getActivity();
if (context != null && gpodnetPodcasts != null && gpodnetPodcasts.size() > 0) {
PodcastListAdapter listAdapter = new PodcastListAdapter(context, 0, gpodnetPodcasts);
gridView.setAdapter(listAdapter);
listAdapter.notifyDataSetChanged();
progressBar.setVisibility(View.GONE);
gridView.setVisibility(View.VISIBLE);
txtvError.setVisibility(View.GONE);
butRetry.setVisibility(View.GONE);
} else if (context != null && gpodnetPodcasts != null) {
gridView.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
txtvError.setText(getString(R.string.search_status_no_results));
txtvError.setVisibility(View.VISIBLE);
butRetry.setVisibility(View.GONE);
} else if (context != null) {
gridView.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
txtvError.setText(getString(R.string.error_msg_prefix) + exception.getMessage());
txtvError.setVisibility(View.VISIBLE);
butRetry.setVisibility(View.VISIBLE);
}
}
@Override
protected void onPreExecute() {
super.onPreExecute();
gridView.setVisibility(View.GONE);
progressBar.setVisibility(View.VISIBLE);
txtvError.setVisibility(View.GONE);
butRetry.setVisibility(View.GONE);
}
};
loaderTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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));
});
}
}