MainActivity: set unit for bottle content

app/src/main/java/it/danieleverducci/lunatracker/MainActivity.kt

@@ -272,6 +272,9 @@ class MainActivity : AppCompatActivity() {
         numberPicker.wrapSelectorWheel = false
         numberPicker.value = event.quantity / 10
 
+        val numberPickerUnit = dialogView.findViewById<TextView>(R.id.dialog_number_picker_unit)
+        numberPickerUnit.text = NumericUtils(this).measurement_unit_liquid_base
+
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)
         val pickedTime = dateTimePicker(event.time, dateTV)
 

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

@@ -18,6 +18,7 @@
             android:layout_height="wrap_content"/>
 
         <TextView
+            android:id="@+id/dialog_number_picker_unit"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="10dp"