Add OSM copyright to about section.

app/src/main/java/net/voussoir/trkpt/SettingsFragment.kt

@@ -242,6 +242,19 @@ class SettingsFragment : PreferenceFragmentCompat(), YesNoDialog.YesNoDialogList
         preferenceCategoryAbout.contains(fork_notice)
         screen.addPreference(fork_notice)
 
+        val copyright_notice = Preference(context)
+        copyright_notice.title = "Map data"
+        copyright_notice.summary = "© OpenStreetMap contributors."
+        copyright_notice.setIcon(R.drawable.ic_map_24dp)
+        copyright_notice.setOnPreferenceClickListener {
+            val intent = Intent(Intent.ACTION_VIEW)
+            intent.setData(Uri.parse("https://www.openstreetmap.org"))
+            startActivity(intent)
+            return@setOnPreferenceClickListener true
+        }
+        preferenceCategoryAbout.contains(copyright_notice)
+        screen.addPreference(copyright_notice)
+
         val preferenceAppVersion = Preference(context)
         preferenceAppVersion.title = getString(R.string.pref_app_version_title)
         preferenceAppVersion.setIcon(R.drawable.ic_info_24dp)

app/src/main/res/drawable/ic_map_24dp.xml

@@ -0,0 +1,14 @@
+<!--
+Thank you
+https://pictogrammers.com/library/mdi/icon/map-outline/
+-->
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@color/icon_default"
+        android:pathData="M20.5,3L20.34,3.03L15,5.1L9,3L3.36,4.9C3.15,4.97 3,5.15 3,5.38V20.5A0.5,0.5 0 0,0 3.5,21L3.66,20.97L9,18.9L15,21L20.64,19.1C20.85,19.03 21,18.85 21,18.62V3.5A0.5,0.5 0 0,0 20.5,3M10,5.47L14,6.87V18.53L10,17.13V5.47M5,6.46L8,5.45V17.15L5,18.31V6.46M19,17.54L16,18.55V6.86L19,5.7V17.54Z" />
+</vector>