Revert back to old background message strategy

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

@@ -90,7 +90,6 @@ import org.thoughtcrime.securesms.MediaOverviewActivity;
 import org.thoughtcrime.securesms.MuteDialog;
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity;
 import org.thoughtcrime.securesms.PromptMmsActivity;
-import network.loki.messenger.R;
 import org.thoughtcrime.securesms.RegistrationActivity;
 import org.thoughtcrime.securesms.ShortcutLauncherActivity;
 import org.thoughtcrime.securesms.TransportOption;
@@ -229,6 +228,8 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import network.loki.messenger.R;
+
 import static org.thoughtcrime.securesms.TransportOption.Type;
 import static org.thoughtcrime.securesms.database.GroupDatabase.GroupRecord;
 import static org.whispersystems.libsignal.SessionCipher.SESSION_LOCK;
@@ -2716,7 +2717,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     String contactID = DatabaseFactory.getThreadDatabase(this).getRecipientForThreadId(this.threadId).getAddress().toString();
     SignalServiceMessageSender messageSender = ApplicationContext.getInstance(this).communicationModule.provideSignalMessageSender();
     SignalServiceAddress address = new SignalServiceAddress(contactID);
-    SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), null);
+    SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), "");
     try {
       messageSender.sendMessage(0, address, Optional.absent(), message); // The message ID doesn't matter
     } catch (Exception e) {

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

@@ -492,7 +492,7 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
       String contactID = DatabaseFactory.getThreadDatabase(context).getRecipientForThreadId(threadId).getAddress().toString();
       SignalServiceMessageSender messageSender = ApplicationContext.getInstance(context).communicationModule.provideSignalMessageSender();
       SignalServiceAddress address = new SignalServiceAddress(contactID);
-      SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), null);
+      SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), "");
       try {
         messageSender.sendMessage(0, address, Optional.absent(), message); // The message ID doesn't matter
       } catch (Exception e) {
@@ -921,7 +921,7 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
   private void sendBackgroundMessage(String contactHexEncodedPublicKey) {
     try {
       SignalServiceAddress address = new SignalServiceAddress(contactHexEncodedPublicKey);
-      SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), null);
+      SignalServiceDataMessage message = new SignalServiceDataMessage(System.currentTimeMillis(), "");
       Optional<UnidentifiedAccessPair> access = Optional.absent();
       messageSender.sendMessage(0, address, access, message); // The message ID doesn't matter
     } catch (Exception e) {