From f23e98258cd556ad70b896873c4b3fe2d9db1906 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Rebelo?= <joserebelo@outlook.com>
Date: Wed, 3 Sep 2025 22:53:51 +0100
Subject: [PATCH] Charts: Lower HRV status vertical range

Matches what watches display, and makes it easier to see changes.
---
 .../activities/charts/HRVStatusFragment.java          | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/HRVStatusFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/HRVStatusFragment.java
index 0ae6e6d173..e6e62e84dd 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/HRVStatusFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/HRVStatusFragment.java
@@ -57,6 +57,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.TimeSampleProvider;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
 import nodomain.freeyourgadget.gadgetbridge.model.HrvSummarySample;
 import nodomain.freeyourgadget.gadgetbridge.model.HrvValueSample;
+import nodomain.freeyourgadget.gadgetbridge.util.Accumulator;
 import nodomain.freeyourgadget.gadgetbridge.util.DateTimeUtils;
 
 
@@ -166,8 +167,10 @@ public class HRVStatusFragment extends AbstractChartFragment<HRVStatusFragment.H
         mWeeklyHRVStatusChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
         List<Entry> lineEntries = new ArrayList<>();
         final List<ILineDataSet> lineDataSets = new ArrayList<>();
+        final Accumulator dailyAccumulator = new Accumulator();
         weeklyData.getDaysData().forEach((HRVStatusDayData day) -> {
             if (day.dayAvg > 0) {
+                dailyAccumulator.add(day.dayAvg);
                 lineEntries.add(new Entry(day.i, day.dayAvg));
             } else {
                 if (!lineEntries.isEmpty()) {
@@ -193,6 +196,14 @@ public class HRVStatusFragment extends AbstractChartFragment<HRVStatusFragment.H
         final LineData lineData = new LineData(lineDataSets);
         mWeeklyHRVStatusChart.setData(lineData);
 
+        if (dailyAccumulator.getCount() > 0) {
+            mWeeklyHRVStatusChart.getAxisLeft().setAxisMaximum(Math.round(dailyAccumulator.getMax()) + 15);
+            mWeeklyHRVStatusChart.getAxisLeft().setAxisMinimum(Math.max(0, Math.round(dailyAccumulator.getMin()) - 15));
+        } else {
+            mWeeklyHRVStatusChart.getAxisLeft().setAxisMaximum(120);
+            mWeeklyHRVStatusChart.getAxisLeft().setAxisMinimum(0);
+        }
+
         final XAxis x = mWeeklyHRVStatusChart.getXAxis();
         x.setValueFormatter(getHRVStatusChartDayValueFormatter(weeklyData));