Fix missing delegate & friend request acceptance

src/org/thoughtcrime/securesms/conversation/ConversationActivity.java

@@ -145,6 +145,7 @@ import org.thoughtcrime.securesms.database.model.MmsMessageRecord;
 import org.thoughtcrime.securesms.events.ReminderUpdateEvent;
 import org.thoughtcrime.securesms.giph.ui.GiphyActivity;
 import org.thoughtcrime.securesms.jobs.MultiDeviceBlockedUpdateJob;
+import org.thoughtcrime.securesms.jobs.PushDecryptJob;
 import org.thoughtcrime.securesms.jobs.RetrieveProfileJob;
 import org.thoughtcrime.securesms.jobs.ServiceOutageDetectionJob;
 import org.thoughtcrime.securesms.linkpreview.LinkPreview;
@@ -2684,11 +2685,11 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   }
 
   // region Loki
-
   @Override
   public void acceptFriendRequest(@NotNull MessageRecord friendRequest) {
     DatabaseFactory.getLokiThreadFriendRequestDatabase(this).setFriendRequestStatus(this.threadId, LokiThreadFriendRequestStatus.FRIENDS);
-    // TODO: Send empty message
+    String contactID = DatabaseFactory.getThreadDatabase(this).getRecipientForThreadId(this.threadId).getAddress().toString();
+    new PushDecryptJob(this).sendEmptyMessage(contactID); // TODO: Use a better approach for this
   }
 
   @Override

src/org/thoughtcrime/securesms/conversation/ConversationAdapter.java

@@ -202,6 +202,9 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
     MessageRecord nextRecord      = adapterPosition > 0 && !isHeaderPosition(adapterPosition - 1) ? getRecordForPositionOrThrow(adapterPosition - 1) : null;
 
     BindableConversationItem conversationItem = viewHolder.getView();
+    if (conversationItem instanceof ConversationItem) {
+      ((ConversationItem)conversationItem).friendRequestViewDelegate = this.friendRequestViewDelegate;
+    }
     conversationItem.bind(messageRecord,
                           Optional.fromNullable(previousRecord),
                           Optional.fromNullable(nextRecord),
@@ -211,9 +214,6 @@ public class ConversationAdapter <V extends View & BindableConversationItem>
                           recipient,
                           searchQuery,
                           messageRecord == recordToPulseHighlight);
-    if (conversationItem instanceof ConversationItem) {
-      ((ConversationItem)conversationItem).friendRequestViewDelegate = this.friendRequestViewDelegate;
-    }
 
     if (messageRecord == recordToPulseHighlight) {
       recordToPulseHighlight = null;

src/org/thoughtcrime/securesms/jobs/PushDecryptJob.java

@@ -867,7 +867,7 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
     }
   }
 
-  private void sendEmptyMessage(String contactHexEncodedPublicKey) {
+  public void sendEmptyMessage(String contactHexEncodedPublicKey) {
     try {
       SignalServiceAddress address = new SignalServiceAddress(contactHexEncodedPublicKey);
       SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), "");