improve numerical dialog design

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/NumberPickerFactory.kt

@@ -48,6 +48,7 @@ class NumberPickerFactory
         value: Double,
         unit: String,
         notes: String,
+        dateString: String,
         callback: ListHabitsBehavior.NumberPickerCallback
     ): AlertDialog {
         val inflater = LayoutInflater.from(context)
@@ -82,7 +83,7 @@ class NumberPickerFactory
         etNotes.setText(notes)
         val dialog = AlertDialog.Builder(context)
             .setView(view)
-            .setTitle(R.string.change_value)
+            .setTitle(dateString)
             .setPositiveButton(R.string.save) { _, _ ->
                 picker.clearFocus()
                 val v = picker.value + 0.01 * picker2.value

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.kt

@@ -228,9 +228,10 @@ class ListHabitsScreen
         value: Double,
         unit: String,
         notes: String,
+        dateString: String,
         callback: ListHabitsBehavior.NumberPickerCallback
     ) {
-        numberPickerFactory.create(value, unit, notes, callback).show()
+        numberPickerFactory.create(value, unit, notes, dateString, callback).show()
     }
 
     override fun showCheckmarkDialog(

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitActivity.kt

@@ -166,9 +166,10 @@ class ShowHabitActivity : AppCompatActivity(), CommandRunner.Listener {
             value: Double,
             unit: String,
             notes: String,
+            dateString: String,
             callback: ListHabitsBehavior.NumberPickerCallback,
         ) {
-            NumberPickerFactory(this@ShowHabitActivity).create(value, unit, notes, callback).show()
+            NumberPickerFactory(this@ShowHabitActivity).create(value, unit, notes, dateString, callback).show()
         }
 
         override fun showCheckmarkDialog(

uhabits-android/src/main/java/org/isoron/uhabits/widgets/activities/NumericalCheckmarkWidgetActivity.kt

@@ -80,6 +80,7 @@ class NumericalCheckmarkWidgetActivity : Activity(), ListHabitsBehavior.NumberPi
             entry.value / 1000.0,
             data.habit.unit,
             entry.notes,
+            today.toDialogDateString(),
             this
         ).show()
     }