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Code Issues Releases Activity

Fix transaction too large for channel tab fragments

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Stypox 2023-12-20 23:57:43 +01:00
parent e876647af5
commit 495c9850b4
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1 changed files with 24 additions and 0 deletions
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app/src/main/java/org/schabi/newpipe/fragments/list/channel/ChannelTabFragment.java
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@ -1,6 +1,7 @@
package org.schabi.newpipe.fragments.list.channel;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@ -14,7 +15,9 @@ import org.schabi.newpipe.error.UserAction;
import org.schabi.newpipe.extractor.InfoItem;
import org.schabi.newpipe.extractor.ListExtractor;
import org.schabi.newpipe.extractor.channel.tabs.ChannelTabInfo;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
import org.schabi.newpipe.extractor.linkhandler.ReadyChannelTabListLinkHandler;
import org.schabi.newpipe.extractor.stream.StreamInfoItem;
import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
import org.schabi.newpipe.fragments.list.playlist.PlaylistControlViewHolder;
@ -114,6 +117,27 @@ public class ChannelTabFragment extends BaseListInfoFragment<InfoItem, ChannelTa
public void handleResult(@NonNull final ChannelTabInfo result) {
super.handleResult(result);
// FIXME this is a really hacky workaround, to avoid storing useless data in the fragment
// state. The problem is, `ReadyChannelTabListLinkHandler` might contain raw JSON data that
// uses a lot of memory (e.g. ~800KB for YouTube). While 800KB doesn't seem much, if
// you combine just a couple of channel tab fragments you easily go over the 1MB
// save&restore transaction limit, and get `TransactionTooLargeException`s. A proper
// solution would require rethinking about `ReadyChannelTabListLinkHandler`s.
if (tabHandler instanceof ReadyChannelTabListLinkHandler) {
try {
// once `handleResult` is called, the parsed data was already saved to cache, so
// we can discard any raw data in ReadyChannelTabListLinkHandler and create a
// link handler with identical properties, but without any raw data
tabHandler = result.getService()
.getChannelTabLHFactory()
.fromQuery(tabHandler.getId(), tabHandler.getContentFilters(),
tabHandler.getSortFilter());
} catch (final ParsingException e) {
// silently ignore the error, as the app can continue to function normally
Log.w(TAG, "Could not recreate channel tab handler", e);
}
}
if (playlistControlBinding != null) {
// PlaylistControls should be visible only if there is some item in
// infoListAdapter other than header