Make activity details headers consistent

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java

@@ -359,7 +359,8 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
             TextView label_field = new TextView(ActivitySummaryDetail.this);
             label_field.setId(View.generateViewId());
             label_field.setTextSize(18);
-            label_field.setPaddingRelative(dpToPx(16), dpToPx(16), 0, dpToPx(16));
+            label_field.setGravity(Gravity.CENTER);
+            label_field.setPaddingRelative(dpToPx(16), dpToPx(16), dpToPx(16), dpToPx(16));
             label_field.setTypeface(null, Typeface.BOLD);
             label_field.setText(workoutValueFormatter.getStringResourceByName(groupKey));
             label_row.addView(label_field);

app/src/main/res/layout/fragment_charts.xml

@@ -4,10 +4,32 @@
     android:layout_height="match_parent"
     tools:context="nodomain.freeyourgadget.gadgetbridge.activities.charts.ActivityChartsActivity$PlaceholderFragment">
 
-    <com.github.mikephil.charting.charts.LineChart
-        android:id="@+id/activitysleepchart"
+    <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_marginTop="@dimen/activity_vertical_margin" />
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/textView4"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:fontFamily="sans-serif-black"
+            android:gravity="center"
+            android:padding="16dp"
+            android:text="@string/heart_rate"
+            android:textSize="18sp" />
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="2dp"
+            android:background="?attr/row_separator" />
+
+        <com.github.mikephil.charting.charts.LineChart
+            android:id="@+id/activitysleepchart"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_marginTop="@dimen/activity_vertical_margin" />
+
+    </LinearLayout>
 
 </RelativeLayout>

app/src/main/res/layout/fragment_gps.xml

@@ -9,32 +9,44 @@
         android:layout_height="match_parent"
         android:orientation="vertical">
 
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="2dp"
+            android:background="?attr/row_separator" />
+
         <TextView
             android:id="@+id/textView4"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:fontFamily="sans-serif-black"
             android:gravity="center"
+            android:padding="16dp"
             android:text="@string/gps_track"
-            android:textSize="16sp" />
+            android:textSize="18sp" />
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="2dp"
+            android:background="?attr/row_separator" />
+
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical"
             android:background="@color/transparent"
-            >
+            android:orientation="vertical">
+
             <TextView
                 android:id="@+id/gpsWarning"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:gravity="center"
                 android:text="@string/maps_not_found" />
+
             <org.mapsforge.map.android.view.MapView
                 android:id="@+id/activitygpsview"
                 android:layout_width="match_parent"
                 android:layout_height="300dp"
-                android:orientation="vertical"
-                />
+                android:orientation="vertical" />
         </LinearLayout>
 
     </LinearLayout>

app/src/main/res/values/strings.xml

@@ -3559,7 +3559,7 @@
     <string name="pref_garmin_agps_help">The list below contains all URLs requested by the watch for AGPS updates. You can select a file from the phone\'s storage that will be sent to the watch when it requests an update.</string>
     <string name="copied_to_clipboard">Copied to clipboard</string>
     <string name="loading">Loading…</string>
-    <string name="maps_not_found">Maps not found</string>
+    <string name="maps_not_found">No maps found - please select a valid maps folder in the settings</string>
     <string name="toggle_debug_mode">Toggle debug mode</string>
     <string name="share_debug_info">Share debug info</string>
     <string name="realtime_settings">Realtime settings</string>