added a copyToClipboard method to ShareUtils, and modified CommentsMiniInfoItemHolder and VideoDetailFragment to use the new method.

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

@@ -105,7 +105,6 @@ import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.schedulers.Schedulers;
-import us.shandian.giga.util.Utility;
 
 import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.COMMENTS;
 import static org.schabi.newpipe.extractor.stream.StreamExtractor.NO_AGE_LIMIT;
@@ -489,7 +488,7 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo>
                 }
                 break;
             case R.id.detail_title_root_layout:
-                copyTitleText();
+                ShareUtils.copyToClipboard(getContext(), videoTitleTextView.getText().toString());
                 break;
         }
 
@@ -1428,8 +1427,4 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo>
                     animateView(detailPositionView, false, 500);
                 });
     }
-
-    private void copyTitleText() {
-        Utility.copyToClipboard(getContext(), videoTitleTextView.getText().toString());
-    }
 }

app/src/main/java/org/schabi/newpipe/info_list/holder/CommentsMiniInfoItemHolder.java

@@ -1,15 +1,11 @@
 package org.schabi.newpipe.info_list.holder;
 
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Context;
 import android.text.TextUtils;
 import android.text.method.LinkMovementMethod;
 import android.text.style.URLSpan;
 import android.text.util.Linkify;
 import android.view.ViewGroup;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
 
@@ -24,6 +20,7 @@ import org.schabi.newpipe.util.CommentTextOnTouchListener;
 import org.schabi.newpipe.util.ImageDisplayConstants;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.ShareUtils;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -130,11 +127,7 @@ public class CommentsMiniInfoItemHolder extends InfoItemHolder {
 
         itemView.setOnLongClickListener(view -> {
             if (!AndroidTvUtils.isTv(itemBuilder.getContext())) {
-                ClipboardManager clipboardManager = (ClipboardManager) itemBuilder.getContext()
+                ShareUtils.copyToClipboard(itemBuilder.getContext(), commentText);
-                        .getSystemService(Context.CLIPBOARD_SERVICE);
-                clipboardManager.setPrimaryClip(ClipData.newPlainText(null, commentText));
-                Toast.makeText(itemBuilder.getContext(), R.string.msg_copied, Toast.LENGTH_SHORT)
-                        .show();
             } else {
                 openCommentAuthor(item);
             }

app/src/main/java/org/schabi/newpipe/util/ShareUtils.java

@@ -1,10 +1,13 @@
 package org.schabi.newpipe.util;
 
+import android.content.ClipData;
+import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
+import android.widget.Toast;
 
 import org.schabi.newpipe.R;
 
@@ -78,4 +81,27 @@ public final class ShareUtils {
         context.startActivity(Intent.createChooser(
                 intent, context.getString(R.string.share_dialog_title)));
     }
+
+    /**
+     * Copy the text to clipboard, and indicate to the user whether the operation was completed
+     * successfully using a Toast.
+     *
+     * @param context the context to use
+     * @param text    the text to copy
+     */
+    public static void copyToClipboard(final Context context, final String text) {
+        ClipboardManager clipboardManager =
+                (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+
+        if (clipboardManager == null) {
+            Toast.makeText(context,
+                    R.string.permission_denied,
+                    Toast.LENGTH_LONG).show();
+            return;
+        }
+
+        clipboardManager.setPrimaryClip(ClipData.newPlainText(null, text));
+        Toast.makeText(context, R.string.msg_copied, Toast.LENGTH_SHORT)
+                .show();
+    }
 }