Fix sort animation

app/src/main/java/com/todoroo/astrid/activity/MainActivity.java

@@ -44,7 +44,6 @@ import org.tasks.BuildConfig;
 import org.tasks.LocalBroadcastManager;
 import org.tasks.R;
 import org.tasks.activities.TagSettingsActivity;
-import org.tasks.analytics.Tracker;
 import org.tasks.billing.Inventory;
 import org.tasks.dialogs.SortDialog;
 import org.tasks.fragments.CommentBarFragment;
@@ -63,7 +62,6 @@ import org.tasks.ui.NavigationDrawerFragment;
 import org.tasks.ui.PriorityControlSet;
 import org.tasks.ui.RemoteListFragment;
 import org.tasks.ui.TaskListViewModel;
-import org.tasks.ui.Toaster;
 
 public class MainActivity extends InjectingAppCompatActivity
     implements TaskListFragment.TaskListFragmentCallbackHandler,
@@ -90,12 +88,10 @@ public class MainActivity extends InjectingAppCompatActivity
   @Inject DefaultFilterProvider defaultFilterProvider;
   @Inject Theme theme;
   @Inject ThemeCache themeCache;
-  @Inject Tracker tracker;
   @Inject TaskDao taskDao;
   @Inject LocalBroadcastManager localBroadcastManager;
   @Inject TaskCreator taskCreator;
   @Inject PlayServices playServices;
-  @Inject Toaster toaster;
   @Inject Inventory inventory;
 
   @BindView(R.id.drawer_layout)
@@ -155,7 +151,7 @@ public class MainActivity extends InjectingAppCompatActivity
   }
 
   @Override
-  protected void onSaveInstanceState(Bundle outState) {
+  protected void onSaveInstanceState(@NonNull Bundle outState) {
     super.onSaveInstanceState(outState);
 
     outState.putParcelable(EXTRA_FILTER, filter);
@@ -474,9 +470,11 @@ public class MainActivity extends InjectingAppCompatActivity
   }
 
   @Override
-  public void sortChanged() {
+  public void sortChanged(boolean reload) {
     localBroadcastManager.broadcastRefresh();
-    openTaskListFragment(filter);
+    if (reload) {
+      openTaskListFragment(filter);
+    }
   }
 
   @Override

app/src/main/java/org/tasks/dialogs/SortDialog.java

@@ -123,15 +123,15 @@ public class SortDialog extends InjectingDialogFragment {
   private void setSelection(boolean reverse) {
     preferences.setBoolean(R.string.p_reverse_sort, reverse);
 
-    final boolean isManual = manualEnabled && selectedIndex == 0;
-
+    boolean wasManual = preferences.isManualSort();
+    boolean isManual = manualEnabled && selectedIndex == 0;
     preferences.setBoolean(R.string.p_manual_sort, isManual);
 
     if (!isManual) {
       preferences.setSortMode(getSortMode(manualEnabled ? selectedIndex : selectedIndex + 1));
     }
 
-    callback.sortChanged();
+    callback.sortChanged(wasManual != isManual);
   }
 
   private int getIndex(int sortMode) {
@@ -177,6 +177,6 @@ public class SortDialog extends InjectingDialogFragment {
 
   public interface SortDialogCallback {
 
-    void sortChanged();
+    void sortChanged(boolean reload);
   }
 }