Merge pull request #3582 from ByteHamster/empty-view-subscriptions
Added empty view to subscription list
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commit
af3cebbd08
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@ -42,6 +42,7 @@ import de.danoeh.antennapod.core.util.IntentUtils;
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import de.danoeh.antennapod.core.util.download.AutoUpdateManager;
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import de.danoeh.antennapod.dialog.RenameFeedDialog;
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import de.danoeh.antennapod.menuhandler.MenuItemUtils;
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import de.danoeh.antennapod.view.EmptyViewHandler;
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import io.reactivex.Observable;
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import io.reactivex.android.schedulers.AndroidSchedulers;
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import io.reactivex.disposables.Disposable;
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@ -63,6 +64,7 @@ public class SubscriptionFragment extends Fragment {
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private DBReader.NavDrawerData navDrawerData;
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private SubscriptionsAdapter subscriptionAdapter;
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private FloatingActionButton subscriptionAddButton;
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private EmptyViewHandler emptyView;
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private int mPosition = -1;
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private boolean isUpdatingFeeds = false;
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@ -87,6 +89,7 @@ public class SubscriptionFragment extends Fragment {
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subscriptionGridLayout.setNumColumns(prefs.getInt(PREF_NUM_COLUMNS, 3));
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registerForContextMenu(subscriptionGridLayout);
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subscriptionAddButton = root.findViewById(R.id.subscriptions_add);
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setupEmptyView();
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return root;
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}
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@ -136,9 +139,18 @@ public class SubscriptionFragment extends Fragment {
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getActivity().invalidateOptionsMenu();
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}
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private void setupEmptyView() {
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emptyView = new EmptyViewHandler(getContext());
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emptyView.setIcon(R.attr.ic_folder);
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emptyView.setTitle(R.string.no_subscriptions_head_label);
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emptyView.setMessage(R.string.no_subscriptions_label);
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emptyView.attachToListView(subscriptionGridLayout);
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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subscriptionAdapter = new SubscriptionsAdapter((MainActivity) getActivity(), itemAccess);
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subscriptionGridLayout.setAdapter(subscriptionAdapter);
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subscriptionGridLayout.setOnItemClickListener(subscriptionAdapter);
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@ -174,12 +186,14 @@ public class SubscriptionFragment extends Fragment {
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if(disposable != null) {
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disposable.dispose();
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}
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emptyView.hide();
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disposable = Observable.fromCallable(DBReader::getNavDrawerData)
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(result -> {
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navDrawerData = result;
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subscriptionAdapter.notifyDataSetChanged();
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emptyView.updateVisibility();
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}, error -> Log.e(TAG, Log.getStackTraceString(error)));
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}
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@ -2,6 +2,7 @@ package de.danoeh.antennapod.view;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.widget.AbsListView;
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import androidx.annotation.AttrRes;
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import androidx.core.content.ContextCompat;
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import androidx.recyclerview.widget.RecyclerView;
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@ -9,7 +10,6 @@ import android.util.TypedValue;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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@ -54,28 +54,31 @@ public class EmptyViewHandler {
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emptyView.setVisibility(View.GONE);
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}
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public void attachToListView(ListView listView) {
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public void attachToListView(AbsListView listView) {
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if (layoutAdded) {
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throw new IllegalStateException("Can not attach to ListView multiple times");
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throw new IllegalStateException("Can not attach EmptyView multiple times");
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}
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addToParentView(listView);
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layoutAdded = true;
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((ViewGroup) listView.getParent()).addView(emptyView);
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listView.setEmptyView(emptyView);
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}
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public void attachToRecyclerView(RecyclerView recyclerView) {
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if (layoutAdded) {
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throw new IllegalStateException("Can not attach to ListView multiple times");
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throw new IllegalStateException("Can not attach EmptyView multiple times");
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}
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addToParentView(recyclerView);
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layoutAdded = true;
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this.recyclerView = recyclerView;
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ViewGroup parent = ((ViewGroup) recyclerView.getParent());
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parent.addView(emptyView);
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updateAdapter(recyclerView.getAdapter());
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}
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private void addToParentView(View view) {
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ViewGroup parent = ((ViewGroup) view.getParent());
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parent.addView(emptyView);
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if (parent instanceof RelativeLayout) {
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RelativeLayout.LayoutParams layoutParams =
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(RelativeLayout.LayoutParams)emptyView.getLayoutParams();
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(RelativeLayout.LayoutParams) emptyView.getLayoutParams();
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layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
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emptyView.setLayoutParams(layoutParams);
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}
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@ -99,7 +102,7 @@ public class EmptyViewHandler {
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}
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};
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private void updateVisibility() {
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public void updateVisibility() {
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boolean empty;
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if (adapter == null) {
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empty = true;
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@ -325,6 +325,8 @@
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<string name="no_fav_episodes_label">You can add episodes to the favorites by long-pressing them.</string>
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<string name="no_chapters_head_label">No chapters</string>
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<string name="no_chapters_label">This episode has no chapters.</string>
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<string name="no_subscriptions_head_label">No subscriptions</string>
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<string name="no_subscriptions_label">To subscribe to a podcast, press the plus icon below.</string>
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<!-- Preferences -->
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<string name="storage_pref">Storage</string>
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