Show video metadata below the decription

app/src/main/java/org/schabi/newpipe/fragments/detail/DescriptionFragment.java

@@ -4,14 +4,18 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
 import androidx.core.text.HtmlCompat;
 
 import org.schabi.newpipe.BaseFragment;
+import org.schabi.newpipe.R;
 import org.schabi.newpipe.databinding.FragmentDescriptionBinding;
+import org.schabi.newpipe.databinding.ItemMetadataBinding;
 import org.schabi.newpipe.extractor.stream.Description;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.util.Localization;
@@ -21,6 +25,8 @@ import icepick.State;
 import io.reactivex.rxjava3.disposables.Disposable;
 
 import static android.text.TextUtils.isEmpty;
+import static org.schabi.newpipe.extractor.stream.StreamExtractor.NO_AGE_LIMIT;
+import static org.schabi.newpipe.extractor.utils.Utils.isBlank;
 
 public class DescriptionFragment extends BaseFragment {
 
@@ -45,6 +51,7 @@ public class DescriptionFragment extends BaseFragment {
         if (streamInfo != null) {
             setupUploadDate(binding.detailUploadDateView);
             setupDescription(binding.detailDescriptionView);
+            setupMetadata(inflater, binding.detailMetadataLayout);
         }
         return binding.getRoot();
     }
@@ -70,7 +77,7 @@ public class DescriptionFragment extends BaseFragment {
         final Description description = streamInfo.getDescription();
         if (description == null || isEmpty(description.getContent())
                 || description == Description.emptyDescription) {
-            descriptionTextView.setText("");
+            descriptionTextView.setVisibility(View.GONE);
             return;
         }
 
@@ -90,4 +97,98 @@ public class DescriptionFragment extends BaseFragment {
                 break;
         }
     }
+
+    private void setupMetadata(final LayoutInflater inflater,
+                               final LinearLayout layout) {
+        addMetadataItem(inflater, layout, false,
+                R.string.metadata_category, streamInfo.getCategory());
+
+        addTagsMetadataItem(inflater, layout);
+
+        addMetadataItem(inflater, layout, false,
+                R.string.metadata_licence, streamInfo.getLicence());
+
+        addPrivacyMetadataItem(inflater, layout);
+
+        if (streamInfo.getAgeLimit() != NO_AGE_LIMIT) {
+            addMetadataItem(inflater, layout, false,
+                    R.string.metadata_age_limit, String.valueOf(streamInfo.getAgeLimit()));
+        }
+
+        if (streamInfo.getLanguageInfo() != null) {
+            addMetadataItem(inflater, layout, false,
+                    R.string.metadata_language, streamInfo.getLanguageInfo().getDisplayLanguage());
+        }
+
+        addMetadataItem(inflater, layout, true,
+                R.string.metadata_support, streamInfo.getSupportInfo());
+        addMetadataItem(inflater, layout, true,
+                R.string.metadata_host, streamInfo.getHost());
+        addMetadataItem(inflater, layout, true,
+                R.string.metadata_thumbnail_url, streamInfo.getThumbnailUrl());
+    }
+
+    private void addMetadataItem(final LayoutInflater inflater,
+                                 final LinearLayout layout,
+                                 final boolean linkifyContent,
+                                 @StringRes final int type,
+                                 @Nullable final String content) {
+        if (isBlank(content)) {
+            return;
+        }
+
+        final ItemMetadataBinding binding = ItemMetadataBinding.inflate(inflater, layout, false);
+        binding.metadataTypeView.setText(type);
+
+        if (linkifyContent) {
+            TextLinkifier.createLinksFromPlainText(layout.getContext(), content,
+                    binding.metadataContentView);
+        } else {
+            binding.metadataContentView.setText(content);
+        }
+
+        layout.addView(binding.getRoot());
+    }
+
+    private void addTagsMetadataItem(final LayoutInflater inflater, final LinearLayout layout) {
+        if (streamInfo.getTags() != null && !streamInfo.getTags().isEmpty()) {
+            final StringBuilder tags = new StringBuilder();
+            for (int i = 0; i < streamInfo.getTags().size(); ++i) {
+                if (i != 0) {
+                    tags.append(", ");
+                }
+                tags.append(streamInfo.getTags().get(i));
+            }
+
+            addMetadataItem(inflater, layout, false, R.string.metadata_tags, tags.toString());
+        }
+    }
+
+    private void addPrivacyMetadataItem(final LayoutInflater inflater, final LinearLayout layout) {
+        if (streamInfo.getPrivacy() != null) {
+            @StringRes final int contentRes;
+            switch (streamInfo.getPrivacy()) {
+                case PUBLIC:
+                    contentRes = R.string.metadata_privacy_public;
+                    break;
+                case UNLISTED:
+                    contentRes = R.string.metadata_privacy_unlisted;
+                    break;
+                case PRIVATE:
+                    contentRes = R.string.metadata_privacy_private;
+                    break;
+                case INTERNAL:
+                    contentRes = R.string.metadata_privacy_internal;
+                    break;
+                case OTHER: default:
+                    contentRes = 0;
+                    break;
+            }
+
+            if (contentRes != 0) {
+                addMetadataItem(inflater, layout, false,
+                        R.string.metadata_privacy, layout.getContext().getString(contentRes));
+            }
+        }
+    }
 }

app/src/main/res/layout/fragment_description.xml

@@ -2,10 +2,10 @@
 <androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:orientation="vertical"
-    android:scrollbars="vertical"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:scrollbars="vertical">
 
     <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
@@ -34,15 +34,27 @@
             android:layout_marginStart="16dp"
             android:layout_marginTop="8dp"
             android:layout_marginEnd="16dp"
-            android:layout_marginBottom="16dp"
             android:textAppearance="?android:attr/textAppearanceMedium"
             android:textIsSelectable="true"
             android:textSize="@dimen/video_item_detail_description_text_size"
-            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/detail_upload_date_view"
             app:layout_constraintVertical_bias="0.0"
             tools:text="Description Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed a ultricies ex. Integer sit amet sodales risus. Duis non mi et urna pretium bibendum." />
+
+        <LinearLayout
+            android:id="@+id/detail_metadata_layout"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginBottom="16dp"
+            android:orientation="vertical"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/detail_description_view" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </androidx.core.widget.NestedScrollView>

app/src/main/res/layout/item_metadata.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.25" />
+
+    <TextView
+        android:id="@+id/metadata_type_view"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:layout_marginEnd="8dp"
+        android:gravity="end"
+        android:textAllCaps="true"
+        android:textColor="?android:attr/textColorPrimary"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/guideline"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Licence" />
+
+    <TextView
+        android:id="@+id/metadata_content_view"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="12dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/guideline"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Description Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed a ultricies ex. Integer sit amet sodales risus. Duis non mi et urna pretium bibendum." />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -716,4 +716,17 @@
     <string name="night_theme_summary">Select your favorite night theme — %s</string>
     <string name="select_night_theme_toast">You can select your favorite night theme below</string>
     <string name="download_has_started">Download has started</string>
-</resources>
+    <string name="metadata_category">Category</string>
+    <string name="metadata_tags">Tags</string>
+    <string name="metadata_licence">Licence</string>
+    <string name="metadata_privacy">Privacy</string>
+    <string name="metadata_age_limit">Age limit</string>
+    <string name="metadata_language">Language</string>
+    <string name="metadata_support">Support</string>
+    <string name="metadata_host">Host</string>
+    <string name="metadata_thumbnail_url">Thumbnail URL</string>
+    <string name="metadata_privacy_public">Public</string>
+    <string name="metadata_privacy_unlisted">Unlisted</string>
+    <string name="metadata_privacy_private">Private</string>
+    <string name="metadata_privacy_internal">Internal</string>
+</resources>