Add reason for location permission

app/src/main/java/net/pokeranalytics/android/ui/fragment/LocationDataFragment.kt

@@ -13,6 +13,7 @@ import net.pokeranalytics.android.ui.view.RowViewType
 import net.pokeranalytics.android.ui.view.rowrepresentable.CustomizableRowRepresentable
 import net.pokeranalytics.android.ui.view.rowrepresentable.LocationRow
 import net.pokeranalytics.android.ui.view.rowrepresentable.SimpleRow
+import net.pokeranalytics.android.util.NULL_TEXT
 import timber.log.Timber
 
 /**
@@ -66,7 +67,7 @@ class LocationDataFragment : EditableDataFragment(), StaticRowRepresentableDataS
 
 	override fun stringForRow(row: RowRepresentable): String {
 		return when (row) {
-			SimpleRow.NAME -> location.name
+			SimpleRow.NAME -> if (location.name.isNotEmpty())location.name else NULL_TEXT
 			else -> return super.stringForRow(row)
 		}
 	}
@@ -136,6 +137,8 @@ class LocationDataFragment : EditableDataFragment(), StaticRowRepresentableDataS
 		rows.clear()
 		rows.add(SimpleRow.NAME)
 		rows.add(LocationRow.LOCATION_PERMISSION_SWITCH)
+		// Add info row to explain why we need the location permission
+		rows.add(CustomizableRowRepresentable(customViewType = RowViewType.INFO, resId = R.string.location_when_in_use_usage_description))
 
 		if (isLookingForPlaces) {
 			rows.add(LocationRow.LOCATION_LOADER)