Be more explicit with running on main thread

// FREEBIE

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -1262,9 +1262,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
   @Override
   public void onModified(final Recipient recipient) {
-    titleView.post(new Runnable() {
-      @Override
-      public void run() {
+    Util.runOnMain(() -> {
       titleView.setTitle(recipient);
       titleView.setVerified(identityRecords.isVerified());
       setBlockedUserState(recipient, isSecureText, isDefaultSms);
@@ -1274,7 +1272,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       updateDefaultSubscriptionId(recipient.getDefaultSubscriptionId());
       initializeSecurity(isSecureText, isDefaultSms);
       invalidateOptionsMenu();
-      }
     });
   }
 

src/org/thoughtcrime/securesms/ConversationFragment.java

@@ -69,6 +69,7 @@ import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
 import org.thoughtcrime.securesms.util.StickyHeaderDecoration;
+import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.ViewUtil;
 import org.thoughtcrime.securesms.util.task.ProgressDialogAsyncTask;
 
@@ -491,12 +492,7 @@ public class ConversationFragment extends Fragment
 
   private void scrollToLastSeenPosition(final int lastSeenPosition) {
     if (lastSeenPosition > 0) {
-      list.post(new Runnable() {
-        @Override
-        public void run() {
-          ((LinearLayoutManager)list.getLayoutManager()).scrollToPositionWithOffset(lastSeenPosition, list.getHeight());
-        }
-      });
+      Util.runOnMain(() -> ((LinearLayoutManager)list.getLayoutManager()).scrollToPositionWithOffset(lastSeenPosition, list.getHeight()));
     }
   }
 

src/org/thoughtcrime/securesms/MessageDetailsActivity.java

@@ -223,7 +223,7 @@ public class MessageDetailsActivity extends PassphraseRequiredActionBarActivity
     }
 
     expiresContainer.setVisibility(View.VISIBLE);
-    expiresInText.post(new Runnable() {
+    Util.runOnMain(new Runnable() {
       @Override
       public void run() {
         long elapsed   = System.currentTimeMillis() - messageRecord.getExpireStarted();
@@ -233,7 +233,7 @@ public class MessageDetailsActivity extends PassphraseRequiredActionBarActivity
         expiresInText.setText(duration);
 
         if (running) {
-          expiresInText.postDelayed(this, 500);
+          Util.runOnMainDelayed(this, 500);
         }
       }
     });

src/org/thoughtcrime/securesms/scribbles/ScribbleActivity.java

@@ -29,6 +29,7 @@ import org.thoughtcrime.securesms.scribbles.widget.entity.ImageEntity;
 import org.thoughtcrime.securesms.scribbles.widget.entity.MotionEntity;
 import org.thoughtcrime.securesms.scribbles.widget.entity.TextEntity;
 import org.thoughtcrime.securesms.util.MediaUtil;
+import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
 
 import java.io.ByteArrayOutputStream;
@@ -74,14 +75,11 @@ public class ScribbleActivity extends PassphraseRequiredActionBarActivity implem
   }
 
   private void addSticker(final Bitmap pica) {
-    scribbleView.post(new Runnable() {
-      @Override
-      public void run() {
+    Util.runOnMain(() -> {
       Layer       layer  = new Layer();
       ImageEntity entity = new ImageEntity(layer, pica, scribbleView.getWidth(), scribbleView.getHeight());
 
       scribbleView.addEntityAndPosition(entity);
-      }
     });
   }