Added error message, do not jump after loading completed

This commit is contained in:
ByteHamster 2019-07-23 16:50:50 +02:00
parent b88ab959eb
commit 97acd6c960
3 changed files with 59 additions and 22 deletions

View File

@ -32,6 +32,10 @@ public class PodcastSearchResult {
this.feedUrl = feedUrl;
}
public static PodcastSearchResult dummy() {
return new PodcastSearchResult("", "", "");
}
/**
* Constructs a Podcast instance from a iTunes search result
*

View File

@ -10,6 +10,7 @@ import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.afollestad.materialdialogs.MaterialDialog;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MainActivity;
@ -19,6 +20,9 @@ import de.danoeh.antennapod.discovery.ItunesTopListLoader;
import de.danoeh.antennapod.discovery.PodcastSearchResult;
import io.reactivex.disposables.Disposable;
import java.util.ArrayList;
import java.util.List;
public class QuickFeedDiscoveryFragment extends Fragment implements AdapterView.OnItemClickListener {
private static final String TAG = "FeedDiscoveryFragment";
@ -27,6 +31,7 @@ public class QuickFeedDiscoveryFragment extends Fragment implements AdapterView.
private Disposable disposable;
private FeedDiscoverAdapter adapter;
private GridView subscriptionGridLayout;
private TextView errorTextView;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
@ -35,13 +40,23 @@ public class QuickFeedDiscoveryFragment extends Fragment implements AdapterView.
View discoverMore = root.findViewById(R.id.discover_more);
discoverMore.setOnClickListener(v ->
((MainActivity) getActivity()).loadChildFragment(new ItunesSearchFragment()));
subscriptionGridLayout = root.findViewById(R.id.discover_grid);
subscriptionGridLayout = root.findViewById(R.id.discover_grid);
progressBar = root.findViewById(R.id.discover_progress_bar);
errorTextView = root.findViewById(R.id.discover_error);
adapter = new FeedDiscoverAdapter((MainActivity) getActivity());
subscriptionGridLayout.setAdapter(adapter);
subscriptionGridLayout.setOnItemClickListener(this);
// Fill with dummy elements to have a fixed height and
// prevent the UI elements below from jumping on slow connections
List<PodcastSearchResult> dummies = new ArrayList<>();
for (int i = 0; i < 8; i++) {
dummies.add(PodcastSearchResult.dummy());
}
adapter.updateData(dummies);
loadToplist();
return root;
@ -57,18 +72,22 @@ public class QuickFeedDiscoveryFragment extends Fragment implements AdapterView.
private void loadToplist() {
progressBar.setVisibility(View.VISIBLE);
subscriptionGridLayout.setVisibility(View.GONE);
subscriptionGridLayout.setVisibility(View.INVISIBLE);
errorTextView.setVisibility(View.GONE);
ItunesTopListLoader loader = new ItunesTopListLoader(getContext());
disposable = loader.loadToplist(8)
.subscribe(podcasts -> {
errorTextView.setVisibility(View.GONE);
progressBar.setVisibility(View.GONE);
subscriptionGridLayout.setVisibility(View.VISIBLE);
adapter.updateData(podcasts);
}, error -> {
Log.e(TAG, Log.getStackTraceString(error));
errorTextView.setText(error.getLocalizedMessage());
errorTextView.setVisibility(View.VISIBLE);
progressBar.setVisibility(View.GONE);
subscriptionGridLayout.setVisibility(View.VISIBLE);
subscriptionGridLayout.setVisibility(View.INVISIBLE);
});
}

View File

@ -41,6 +41,9 @@
android:textColor="@color/antennapod_blue"/>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<de.danoeh.antennapod.view.WrappingGridView
android:id="@+id/discover_grid"
@ -53,6 +56,7 @@
android:verticalSpacing="4dp"
android:scrollbars="none"
android:layout_marginTop="8dp"
android:layout_centerInParent="true"
android:layout_gravity="center_horizontal"/>
<ProgressBar
@ -61,8 +65,18 @@
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_centerInParent="true"
android:layout_marginTop="30dp"/>
<TextView
android:id="@+id/discover_error"
android:textColor="@color/md_edittext_error"
android:layout_width="match_parent"
android:layout_centerInParent="true"
android:layout_height="wrap_content" />
</RelativeLayout>
</LinearLayout>
</android.support.v7.widget.CardView>