From 28890abd4754c898c75ad7e272b030ffbb5f1a74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rom=C3=A1n=20Mart=C3=ADnez?= <rgmf@riseup.net>
Date: Mon, 9 Nov 2020 19:01:40 +0100
Subject: [PATCH] Bugfix: view changed from wrong thread. Fixes #509.

---
 .../opentracks/fragments/IntervalsFragment.java    | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/main/java/de/dennisguse/opentracks/fragments/IntervalsFragment.java b/src/main/java/de/dennisguse/opentracks/fragments/IntervalsFragment.java
index 06d4e73e1..80cad7099 100644
--- a/src/main/java/de/dennisguse/opentracks/fragments/IntervalsFragment.java
+++ b/src/main/java/de/dennisguse/opentracks/fragments/IntervalsFragment.java
@@ -176,12 +176,16 @@ public class IntervalsFragment extends Fragment implements TrackDataListener {
     @Override
     public void onTrackUpdated(Track track) {
         if (isResumed()) {
-            // Set category.
-            category = track != null ? track.getCategory() : "";
+            getActivity().runOnUiThread(() -> {
+                if (isResumed()) {
+                    // Set category.
+                    category = track != null ? track.getCategory() : "";
 
-            // Set rate label.
-            boolean reportSpeed = PreferencesUtils.isReportSpeed(getContext(), category);
-            viewBinding.intervalRate.setText(reportSpeed ? R.string.stats_speed : R.string.stats_pace);
+                    // Set rate label.
+                    boolean reportSpeed = PreferencesUtils.isReportSpeed(getContext(), category);
+                    viewBinding.intervalRate.setText(reportSpeed ? R.string.stats_speed : R.string.stats_pace);
+                }
+            });
         }
     }