Interval list: RTL and localized formatting (only default strings.xml).

src/main/java/de/dennisguse/opentracks/adapters/IntervalStatisticsAdapter.java

@@ -1,7 +1,6 @@
 package de.dennisguse.opentracks.adapters;
 
 import android.content.Context;
-import android.util.Pair;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -20,10 +19,10 @@ import de.dennisguse.opentracks.viewmodels.IntervalStatistics;
 
 public class IntervalStatisticsAdapter extends ArrayAdapter<IntervalStatistics.Interval> {
 
-    private StackMode stackMode;
-    private boolean metricUnits;
+    private final StackMode stackMode;
+    private final boolean metricUnits;
     private float sumDistance_m;
-    private String category;
+    private final String category;
 
     public IntervalStatisticsAdapter(Context context, List<IntervalStatistics.Interval> intervalList, String category, StackMode stackMode) {
         super(context, R.layout.interval_stats_list_item, intervalList);
@@ -61,15 +60,12 @@ public class IntervalStatisticsAdapter extends ArrayAdapter<IntervalStatistics.I
         viewHolder.distance.setText(StringUtils.formatDistance(getContext(), sumDistance_m, metricUnits));
 
         if (PreferencesUtils.isReportSpeed(getContext(), category)) {
-            Pair<String, String> speedParts = StringUtils.getSpeedParts(getContext(), interval.getSpeed_ms(), metricUnits, true);
-            viewHolder.rate.setText(speedParts.first + " " + speedParts.second);
+            viewHolder.rate.setText(StringUtils.formatSpeed(getContext(), interval.getSpeed_ms(), metricUnits, true));
         } else {
-            Pair<String, String> paceParts = StringUtils.getSpeedParts(getContext(), interval.getSpeed_ms(), metricUnits, false);
-            viewHolder.rate.setText(paceParts.first + " " + paceParts.second);
+            viewHolder.rate.setText(StringUtils.formatSpeed(getContext(), interval.getSpeed_ms(), metricUnits, false));
         }
 
-        Pair<String, String> gainParts = StringUtils.formatElevation(getContext(), interval.getGain_m(), metricUnits);
-        viewHolder.gain.setText(gainParts.first + " " + gainParts.second);
+        viewHolder.gain.setText(StringUtils.formatDistance(getContext(), interval.getGain_m(), metricUnits));
 
         return intervalView;
     }

src/main/java/de/dennisguse/opentracks/util/StringUtils.java

@@ -118,6 +118,34 @@ public class StringUtils {
         }
     }
 
+    public static String formatSpeed(Context context, double speed_mps, boolean metricUnits, boolean reportSpeed) {
+        if (Double.isNaN(speed_mps) || Double.isInfinite(speed_mps)) {
+            speed_mps = 0;
+        }
+
+        double speed = speed_mps * UnitConversions.M_TO_KM; //KM p sec
+        if (!metricUnits) {
+            speed *= UnitConversions.KM_TO_MI;
+        }
+
+        if (reportSpeed) {
+            if (metricUnits) {
+                return context.getString(R.string.value_float_kilometer_hour, speed * UnitConversions.S_TO_HR);
+            } else {
+                return context.getString(R.string.value_float_mile_hour, speed * UnitConversions.S_TO_HR);
+            }
+        } else {
+            int pace = speed == 0 ? 0 : (int) Math.round(1 / speed); //sec / [KM | MI]
+            int minutes = pace / 60;
+            int seconds = pace % 60;
+            if (metricUnits) {
+                return context.getString(R.string.value_pace_kilometer, minutes, seconds);
+            } else {
+                return context.getString(R.string.value_pace_mile, minutes, seconds);
+            }
+        }
+    }
+
     private static String formatDecimal(double value) {
         return StringUtils.formatDecimal(value, 2);
     }