Insert temporary warning update message during message request state.

app/src/main/java/org/thoughtcrime/securesms/BindableConversationItem.java

@@ -13,6 +13,7 @@ import org.thoughtcrime.securesms.components.voice.VoiceNotePlaybackState;
 import org.thoughtcrime.securesms.contactshare.Contact;
 import org.thoughtcrime.securesms.conversation.ConversationItem;
 import org.thoughtcrime.securesms.conversation.ConversationMessage;
+import org.thoughtcrime.securesms.database.model.InMemoryMessageRecord;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
 import org.thoughtcrime.securesms.giph.mp4.GiphyMp4Playable;
@@ -75,6 +76,7 @@ public interface BindableConversationItem extends Unbindable, GiphyMp4Playable {
     void onInviteFriendsToGroupClicked(@NonNull GroupId.V2 groupId);
     void onEnableCallNotificationsClicked();
     void onPlayInlineContent(ConversationMessage conversationMessage);
+    void onInMemoryMessageClicked(@NonNull InMemoryMessageRecord messageRecord);
 
     /** @return true if handled, false if you want to let the normal url handling continue */
     boolean onUrlClicked(@NonNull String url);

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationData.java

@@ -1,35 +1,37 @@
 package org.thoughtcrime.securesms.conversation;
 
+import androidx.annotation.NonNull;
+
 /**
  * Represents metadata about a conversation.
  */
 final class ConversationData {
-  private final long    threadId;
+  private final long               threadId;
-  private final long    lastSeen;
+  private final long               lastSeen;
-  private final int     lastSeenPosition;
+  private final int                lastSeenPosition;
-  private final int     lastScrolledPosition;
+  private final int                lastScrolledPosition;
-  private final boolean hasSent;
+  private final boolean            hasSent;
-  private final boolean isMessageRequestAccepted;
+  private final int                jumpToPosition;
-  private final int     jumpToPosition;
+  private final int                threadSize;
-  private final int     threadSize;
+  private final MessageRequestData messageRequestData;
 
   ConversationData(long threadId,
                    long lastSeen,
                    int lastSeenPosition,
                    int lastScrolledPosition,
                    boolean hasSent,
-                   boolean isMessageRequestAccepted,
                    int jumpToPosition,
-                   int threadSize)
+                   int threadSize,
+                   @NonNull MessageRequestData messageRequestData)
   {
-    this.threadId                     = threadId;
+    this.threadId             = threadId;
-    this.lastSeen                     = lastSeen;
+    this.lastSeen             = lastSeen;
-    this.lastSeenPosition             = lastSeenPosition;
+    this.lastSeenPosition     = lastSeenPosition;
-    this.lastScrolledPosition         = lastScrolledPosition;
+    this.lastScrolledPosition = lastScrolledPosition;
-    this.hasSent                      = hasSent;
+    this.hasSent              = hasSent;
-    this.isMessageRequestAccepted     = isMessageRequestAccepted;
+    this.jumpToPosition       = jumpToPosition;
-    this.jumpToPosition               = jumpToPosition;
+    this.threadSize           = threadSize;
-    this.threadSize                   = threadSize;
+    this.messageRequestData   = messageRequestData;
   }
 
   public long getThreadId() {
@@ -52,10 +54,6 @@ final class ConversationData {
     return hasSent;
   }
 
-  boolean isMessageRequestAccepted() {
-    return isMessageRequestAccepted;
-  }
-
   boolean shouldJumpToMessage() {
     return jumpToPosition >= 0;
   }
@@ -71,4 +69,37 @@ final class ConversationData {
   int getThreadSize() {
     return threadSize;
   }
+
+  @NonNull MessageRequestData getMessageRequestData() {
+    return messageRequestData;
+  }
+
+  static final class MessageRequestData {
+
+    private final boolean messageRequestAccepted;
+    private final boolean groupsInCommon;
+    private final boolean isGroup;
+
+    public MessageRequestData(boolean messageRequestAccepted) {
+      this(messageRequestAccepted, false, false);
+    }
+
+    public MessageRequestData(boolean messageRequestAccepted, boolean groupsInCommon, boolean isGroup) {
+      this.messageRequestAccepted = messageRequestAccepted;
+      this.groupsInCommon         = groupsInCommon;
+      this.isGroup                = isGroup;
+    }
+
+    public boolean isMessageRequestAccepted() {
+      return messageRequestAccepted;
+    }
+
+    public boolean includeWarningUpdateMessage() {
+      return !messageRequestAccepted && !groupsInCommon;
+    }
+
+    public boolean isGroup() {
+      return isGroup;
+    }
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationDataSource.java

@@ -9,9 +9,11 @@ import com.annimon.stream.Stream;
 
 import org.signal.core.util.logging.Log;
 import org.signal.paging.PagedDataSource;
+import org.thoughtcrime.securesms.conversation.ConversationData.MessageRequestData;
 import org.thoughtcrime.securesms.conversation.ConversationMessage.ConversationMessageFactory;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.MmsSmsDatabase;
+import org.thoughtcrime.securesms.database.model.InMemoryMessageRecord;
 import org.thoughtcrime.securesms.database.model.Mention;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.util.Stopwatch;
@@ -30,18 +32,20 @@ class ConversationDataSource implements PagedDataSource<ConversationMessage> {
 
   private static final String TAG = Log.tag(ConversationDataSource.class);
 
-  private final Context             context;
+  private final Context            context;
-  private final long                threadId;
+  private final long               threadId;
+  private final MessageRequestData messageRequestData;
 
-  ConversationDataSource(@NonNull Context context, long threadId) {
+  ConversationDataSource(@NonNull Context context, long threadId, @NonNull MessageRequestData messageRequestData) {
-    this.context  = context;
+    this.context            = context;
-    this.threadId = threadId;
+    this.threadId           = threadId;
+    this.messageRequestData = messageRequestData;
   }
 
   @Override
   public int size() {
     long startTime = System.currentTimeMillis();
-    int  size      = DatabaseFactory.getMmsSmsDatabase(context).getConversationCount(threadId);
+    int  size      = DatabaseFactory.getMmsSmsDatabase(context).getConversationCount(threadId) + (messageRequestData.includeWarningUpdateMessage() ? 1 : 0);
 
     Log.d(TAG, "size() for thread " + threadId + ": " + (System.currentTimeMillis() - startTime) + " ms");
 
@@ -55,7 +59,7 @@ class ConversationDataSource implements PagedDataSource<ConversationMessage> {
     List<MessageRecord> records       = new ArrayList<>(length);
     MentionHelper       mentionHelper = new MentionHelper();
 
-    try (MmsSmsDatabase.Reader reader = db.readerFor(db.getConversation(threadId, start, length))) {
+    try (MmsSmsDatabase.Reader reader = MmsSmsDatabase.readerFor(db.getConversation(threadId, start, length))) {
       MessageRecord record;
       while ((record = reader.getNext()) != null && !cancellationSignal.isCanceled()) {
         records.add(record);
@@ -63,6 +67,10 @@ class ConversationDataSource implements PagedDataSource<ConversationMessage> {
       }
     }
 
+    if (messageRequestData.includeWarningUpdateMessage() && (start + length >= size())) {
+      records.add(new InMemoryMessageRecord.NoGroupsInCommon(threadId, messageRequestData.isGroup()));
+    }
+
     stopwatch.split("messages");
 
     mentionHelper.fetchMentions(context);

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationFragment.java

@@ -64,6 +64,7 @@ import androidx.recyclerview.widget.RecyclerView.OnScrollListener;
 
 import com.annimon.stream.Collectors;
 import com.annimon.stream.Stream;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
 import org.signal.core.util.StreamUtil;
 import org.signal.core.util.concurrent.SignalExecutors;
@@ -93,6 +94,7 @@ import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.database.MessageDatabase;
 import org.thoughtcrime.securesms.database.MmsDatabase;
 import org.thoughtcrime.securesms.database.SmsDatabase;
+import org.thoughtcrime.securesms.database.model.InMemoryMessageRecord;
 import org.thoughtcrime.securesms.database.model.MediaMmsMessageRecord;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
@@ -1040,7 +1042,7 @@ public class ConversationFragment extends LoggingFragment {
     adapter.setFooterView(conversationBanner);
 
     Runnable afterScroll = () -> {
-      if (!conversation.isMessageRequestAccepted()) {
+      if (!conversation.getMessageRequestData().isMessageRequestAccepted()) {
         snapToTopDataObserver.requestScrollPosition(adapter.getItemCount() - 1);
       }
 
@@ -1065,7 +1067,7 @@ public class ConversationFragment extends LoggingFragment {
                              getListAdapter().pulseAtPosition(conversation.getJumpToPosition());
                            })
                            .submit();
-    } else if (conversation.isMessageRequestAccepted()) {
+    } else if (conversation.getMessageRequestData().isMessageRequestAccepted()) {
       snapToTopDataObserver.buildScrollPosition(conversation.shouldScrollToLastSeen() ? lastSeenPosition : lastScrolledPosition)
                            .withOnPerformScroll((layoutManager, position) -> layoutManager.scrollToPositionWithOffset(position, list.getHeight()))
                            .withOnScrollRequestComplete(afterScroll)
@@ -1609,6 +1611,19 @@ public class ConversationFragment extends LoggingFragment {
     public void onPlayInlineContent(ConversationMessage conversationMessage) {
       getListAdapter().playInlineContent(conversationMessage);
     }
+
+    @Override
+    public void onInMemoryMessageClicked(@NonNull InMemoryMessageRecord messageRecord) {
+      if (messageRecord instanceof InMemoryMessageRecord.NoGroupsInCommon) {
+        boolean isGroup = ((InMemoryMessageRecord.NoGroupsInCommon) messageRecord).isGroup();
+        new MaterialAlertDialogBuilder(requireContext(), R.style.Signal_ThemeOverlay_Dialog_Rounded)
+            .setMessage(isGroup ? R.string.GroupsInCommonMessageRequest__none_of_your_contacts_or_people_you_chat_with_are_in_this_group
+                                : R.string.GroupsInCommonMessageRequest__you_have_no_groups_in_common_with_this_person)
+            .setNeutralButton(R.string.GroupsInCommonMessageRequest__about_message_requests, (d, w) -> CommunicationActions.openBrowserLink(requireContext(), getString(R.string.GroupsInCommonMessageRequest__support_article)))
+            .setPositiveButton(R.string.GroupsInCommonMessageRequest__okay, null)
+            .show();
+      }
+    }
   }
 
   public void refreshList() {

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationRepository.java

@@ -10,13 +10,16 @@ import androidx.lifecycle.MutableLiveData;
 
 import org.signal.core.util.concurrent.SignalExecutors;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
+import org.thoughtcrime.securesms.database.GroupDatabase;
 import org.thoughtcrime.securesms.database.ThreadDatabase;
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientUtil;
 import org.thoughtcrime.securesms.util.BubbleUtil;
 import org.thoughtcrime.securesms.util.ConversationUtil;
+import org.whispersystems.libsignal.util.guava.Optional;
 
+import java.util.List;
 import java.util.concurrent.Executor;
 
 class ConversationRepository {
@@ -51,16 +54,15 @@ class ConversationRepository {
   }
 
   private @NonNull ConversationData getConversationDataInternal(long threadId, int jumpToPosition) {
-    ThreadDatabase.ConversationMetadata metadata   = DatabaseFactory.getThreadDatabase(context).getConversationMetadata(threadId);
+    ThreadDatabase.ConversationMetadata metadata                 = DatabaseFactory.getThreadDatabase(context).getConversationMetadata(threadId);
-    int                                 threadSize = DatabaseFactory.getMmsSmsDatabase(context).getConversationCount(threadId);
+    int                                 threadSize               = DatabaseFactory.getMmsSmsDatabase(context).getConversationCount(threadId);
-
+    long                                lastSeen                 = metadata.getLastSeen();
-    long    lastSeen             = metadata.getLastSeen();
+    boolean                             hasSent                  = metadata.hasSent();
-    boolean hasSent              = metadata.hasSent();
+    int                                 lastSeenPosition         = 0;
-    int     lastSeenPosition     = 0;
+    long                                lastScrolled             = metadata.getLastScrolled();
-    long    lastScrolled         = metadata.getLastScrolled();
+    int                                 lastScrolledPosition     = 0;
-    int     lastScrolledPosition = 0;
+    boolean                             isMessageRequestAccepted = RecipientUtil.isMessageRequestAccepted(context, threadId);
-
+    ConversationData.MessageRequestData messageRequestData       = new ConversationData.MessageRequestData(isMessageRequestAccepted);
-    boolean isMessageRequestAccepted = RecipientUtil.isMessageRequestAccepted(context, threadId);
 
     if (lastSeen > 0) {
       lastSeenPosition = DatabaseFactory.getMmsSmsDatabase(context).getMessagePositionOnOrAfterTimestamp(threadId, lastSeen);
@@ -74,6 +76,28 @@ class ConversationRepository {
       lastScrolledPosition = DatabaseFactory.getMmsSmsDatabase(context).getMessagePositionOnOrAfterTimestamp(threadId, lastScrolled);
     }
 
-    return new ConversationData(threadId, lastSeen, lastSeenPosition, lastScrolledPosition, hasSent, isMessageRequestAccepted, jumpToPosition, threadSize);
+    if (!isMessageRequestAccepted) {
+      boolean isGroup                             = false;
+      boolean recipientIsKnownOrHasGroupsInCommon = false;
+      Recipient threadRecipient = DatabaseFactory.getThreadDatabase(context).getRecipientForThreadId(threadId);
+      if (threadRecipient.isGroup()) {
+        Optional<GroupDatabase.GroupRecord> group = DatabaseFactory.getGroupDatabase(context).getGroup(threadRecipient.getId());
+        if (group.isPresent()) {
+          List<Recipient> recipients = Recipient.resolvedList(group.get().getMembers());
+          for (Recipient recipient : recipients) {
+            if ((recipient.isProfileSharing() || recipient.hasGroupsInCommon()) && !recipient.isSelf()) {
+              recipientIsKnownOrHasGroupsInCommon = true;
+              break;
+            }
+          }
+        }
+        isGroup = true;
+      } else if (threadRecipient.hasGroupsInCommon()) {
+        recipientIsKnownOrHasGroupsInCommon = true;
+      }
+      messageRequestData = new ConversationData.MessageRequestData(isMessageRequestAccepted, recipientIsKnownOrHasGroupsInCommon, isGroup);
+    }
+
+    return new ConversationData(threadId, lastSeen, lastSeenPosition, lastScrolledPosition, hasSent, jumpToPosition, threadSize, messageRequestData);
   }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationUpdateItem.java

@@ -27,6 +27,7 @@ import org.thoughtcrime.securesms.VerifyIdentityActivity;
 import org.thoughtcrime.securesms.conversation.ui.error.EnableCallNotificationSettingsDialog;
 import org.thoughtcrime.securesms.database.IdentityDatabase.IdentityRecord;
 import org.thoughtcrime.securesms.database.model.GroupCallUpdateDetailsUtil;
+import org.thoughtcrime.securesms.database.model.InMemoryMessageRecord;
 import org.thoughtcrime.securesms.database.model.LiveUpdateMessage;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
 import org.thoughtcrime.securesms.database.model.UpdateDescription;
@@ -340,6 +341,15 @@ public final class ConversationUpdateItem extends FrameLayout
           eventListener.onEnableCallNotificationsClicked();
         }
       });
+    } else if (conversationMessage.getMessageRecord().isInMemoryMessageRecord() && ((InMemoryMessageRecord) conversationMessage.getMessageRecord()).showActionButton()) {
+      InMemoryMessageRecord inMemoryMessageRecord = (InMemoryMessageRecord) conversationMessage.getMessageRecord();
+      actionButton.setVisibility(VISIBLE);
+      actionButton.setText(inMemoryMessageRecord.getActionButtonText());
+      actionButton.setOnClickListener(v -> {
+        if (eventListener != null) {
+          eventListener.onInMemoryMessageClicked(inMemoryMessageRecord);
+        }
+      });
     } else {
       actionButton.setVisibility(GONE);
       actionButton.setOnClickListener(null);

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationViewModel.java

@@ -21,7 +21,6 @@ import org.thoughtcrime.securesms.mediasend.Media;
 import org.thoughtcrime.securesms.mediasend.MediaRepository;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientId;
-import org.thoughtcrime.securesms.recipients.RecipientUtil;
 import org.thoughtcrime.securesms.util.livedata.LiveDataUtil;
 import org.thoughtcrime.securesms.wallpaper.ChatWallpaper;
 import org.whispersystems.libsignal.util.Pair;
@@ -72,12 +71,14 @@ class ConversationViewModel extends ViewModel {
     });
 
     LiveData<Pair<Long, PagedData<ConversationMessage>>> pagedDataForThreadId = Transformations.map(metadata, data -> {
-      final int startPosition;
+      int                                 startPosition;
+      ConversationData.MessageRequestData messageRequestData = data.getMessageRequestData();
+
       if (data.shouldJumpToMessage()) {
         startPosition = data.getJumpToPosition();
-      } else if (data.isMessageRequestAccepted() && data.shouldScrollToLastSeen()) {
+      } else if (messageRequestData.isMessageRequestAccepted() && data.shouldScrollToLastSeen()) {
         startPosition = data.getLastSeenPosition();
-      } else if (data.isMessageRequestAccepted()) {
+      } else if (messageRequestData.isMessageRequestAccepted()) {
         startPosition = data.getLastScrolledPosition();
       } else {
         startPosition = data.getThreadSize();
@@ -86,7 +87,7 @@ class ConversationViewModel extends ViewModel {
       ApplicationDependencies.getDatabaseObserver().unregisterObserver(messageObserver);
       ApplicationDependencies.getDatabaseObserver().registerConversationObserver(data.getThreadId(), messageObserver);
 
-      ConversationDataSource dataSource = new ConversationDataSource(context, data.getThreadId());
+      ConversationDataSource dataSource = new ConversationDataSource(context, data.getThreadId(), messageRequestData);
       PagingConfig           config     = new PagingConfig.Builder()
                                                           .setPageSize(25)
                                                           .setBufferPages(3)

app/src/main/java/org/thoughtcrime/securesms/database/model/InMemoryMessageRecord.java

@@ -0,0 +1,111 @@
+package org.thoughtcrime.securesms.database.model;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+
+import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.recipients.Recipient;
+
+import java.util.Collections;
+
+/**
+ * In memory message record for use in temporary conversation messages.
+ */
+public class InMemoryMessageRecord extends MessageRecord {
+
+  private InMemoryMessageRecord(long id,
+                                String body,
+                                Recipient conversationRecipient,
+                                long threadId,
+                                long type)
+  {
+    super(id,
+          body,
+          conversationRecipient,
+          conversationRecipient,
+          1,
+          System.currentTimeMillis(),
+          System.currentTimeMillis(),
+          System.currentTimeMillis(),
+          threadId,
+          0,
+          0,
+          type,
+          Collections.emptyList(),
+          Collections.emptyList(),
+          -1,
+          0,
+          System.currentTimeMillis(),
+          0,
+          false,
+          Collections.emptyList(),
+          false,
+          0,
+          0);
+  }
+
+  @Override
+  public boolean isMms() {
+    return false;
+  }
+
+  @Override
+  public boolean isMmsNotification() {
+    return false;
+  }
+
+  @Override
+  public boolean isInMemoryMessageRecord() {
+    return true;
+  }
+
+  public boolean showActionButton() {
+    return false;
+  }
+
+  public @StringRes int getActionButtonText() {
+    return 0;
+  }
+
+  /**
+   * Warning message to show during message request state if you do not have groups in common
+   * with an individual or do not know anyone in the group.
+   */
+  public static final class NoGroupsInCommon extends InMemoryMessageRecord {
+    private final boolean isGroup;
+
+    public NoGroupsInCommon(long threadId, boolean isGroup) {
+      super(-1, "", Recipient.UNKNOWN, threadId, 0);
+      this.isGroup = isGroup;
+    }
+
+    @Override
+    public @Nullable UpdateDescription getUpdateDisplayBody(@NonNull Context context) {
+      return UpdateDescription.staticDescription(context.getString(isGroup ? R.string.ConversationUpdateItem_no_contacts_in_this_group_review_requests_carefully
+                                                                           : R.string.ConversationUpdateItem_no_groups_in_common_review_requests_carefully),
+                                                 R.drawable.ic_update_info_16);
+    }
+
+    @Override
+    public boolean isUpdate() {
+      return true;
+    }
+
+    @Override
+    public boolean showActionButton() {
+      return true;
+    }
+
+    public boolean isGroup() {
+      return isGroup;
+    }
+
+    @Override
+    public @StringRes int getActionButtonText() {
+      return R.string.ConversationUpdateItem_learn_more;
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/database/model/MessageRecord.java

@@ -489,6 +489,10 @@ public abstract class MessageRecord extends DisplayRecord {
     return MmsSmsColumns.Types.isFailedDecryptType(type);
   }
 
+  public boolean isInMemoryMessageRecord() {
+    return false;
+  }
+
   protected static SpannableString emphasisAdded(String sequence) {
     SpannableString spannable = new SpannableString(sequence);
     spannable.setSpan(new RelativeSizeSpan(0.9f), 0, sequence.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

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

@@ -117,7 +117,7 @@
     <style name="Signal.ThemeOverlay.Dialog.Rounded" parent="ThemeOverlay.MaterialComponents.MaterialAlertDialog">
         <item name="alertDialogStyle">@style/Signal.MaterialAlertDialog</item>
         <item name="android:background">@color/signal_background_dialog</item>
-        <item name="android:textColorPrimary">@color/signal_text_primary_dialog</item>
+        <item name="materialAlertDialogBodyTextStyle">@style/Signal.Text.Body</item>
         <item name="buttonBarPositiveButtonStyle">@style/Signal.Widget.Button.Dialog</item>
         <item name="buttonBarNeutralButtonStyle">@style/Signal.Widget.Button.Dialog</item>
         <item name="buttonBarNegativeButtonStyle">@style/Signal.Widget.Button.Dialog</item>

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

@@ -1880,6 +1880,8 @@
     <string name="ConversationUpdateItem_call_is_full">Call is full</string>
     <string name="ConversationUpdateItem_invite_friends">Invite friends</string>
     <string name="ConversationUpdateItem_enable_call_notifications">Enable Call Notifications</string>
+    <string name="ConversationUpdateItem_no_groups_in_common_review_requests_carefully">No groups in common. Review requests carefully.</string>
+    <string name="ConversationUpdateItem_no_contacts_in_this_group_review_requests_carefully">No contacts in this group. Review requests carefully.</string>
 
     <!-- audio_view -->
     <string name="audio_view__play_pause_accessibility_description">Play … Pause</string>
@@ -3337,6 +3339,13 @@
     <string name="CanNotSendPaymentDialog__to_send_a_payment_to_this_user">To send a payment to this user they need to accept a message request from you. Send them a message to create a message request.</string>
     <string name="CanNotSendPaymentDialog__send_a_message">Send a message</string>
 
+    <!-- GroupsInCommonMessageRequest -->
+    <string name="GroupsInCommonMessageRequest__you_have_no_groups_in_common_with_this_person">You have no groups in common with this person. Review requests carefully before accepting to avoid unwanted messages.</string>
+    <string name="GroupsInCommonMessageRequest__none_of_your_contacts_or_people_you_chat_with_are_in_this_group">None of your contacts or people you chat with are in this group. Review requests carefully before accepting to avoid unwanted messages.</string>
+    <string name="GroupsInCommonMessageRequest__about_message_requests">About message requests</string>
+    <string name="GroupsInCommonMessageRequest__okay">Okay</string>
+    <string name="GroupsInCommonMessageRequest__support_article" translatable="false">https://support.signal.org/hc/articles/360007459591</string>
+
     <!-- EOF -->
 
 </resources>