Change rate to a String since Java is mad about the enum.

app/src/main/java/com/hyperling/expensetracker/Expense.kt

@@ -7,7 +7,7 @@ import androidx.room.PrimaryKey
 data class Expense (
     val name: String,
     val cost: String,
-    val rate: Enum<Rate>,
+    val rate: String, //Enum<Rate>,
     @PrimaryKey(autoGenerate = true)
     val ID: Int = 0,
 )

app/src/main/java/com/hyperling/expensetracker/ExpenseDialogAdd.kt

@@ -53,7 +53,8 @@ fun ExpenseDialogAdd(
                     },
                     keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Decimal)
                 )
-                /* Unsure what to do here yet, a simple Picker type does not seems to exist?
+                // TBD / TODO: Unsure what to do here yet so that an Enum is possible.
+                //             A simple Picker type does not seems to exist? Why? Whyyy???
                 TextField(
                     value = state.rate,
                     onValueChange = {
@@ -63,7 +64,7 @@ fun ExpenseDialogAdd(
                         Text(text = "Rate")
                     },
                 )
-                */
+                // */
             }
         },
         confirmButton = {

app/src/main/java/com/hyperling/expensetracker/ExpenseEvent.kt

@@ -4,7 +4,7 @@ sealed interface ExpenseEvent {
     object SaveExpense: ExpenseEvent
     data class SetName(val name: String): ExpenseEvent
     data class SetCost(val cost: String): ExpenseEvent
-    data class SetRate(val rate: Rate): ExpenseEvent
+    data class SetRate(val rate: String): ExpenseEvent // TBD / TODO: Make this the enum.
     object ShowDialog: ExpenseEvent
     object HideDialog: ExpenseEvent
     data class SortExpenses(val sortType: SortType): ExpenseEvent

app/src/main/java/com/hyperling/expensetracker/ExpenseState.kt

@@ -4,7 +4,7 @@ data class ExpenseState(
     val expenses: List<Expense> = emptyList(),
     val name: String = "",
     val cost: String = "",
-    val rate: Rate = Rate.MONTHLY,
+    val rate: String = "", // TBD / TODO: Rate = Rate.MONTHLY,
     val isAddingExpense: Boolean = false,
     val sortType: SortType = SortType.NAME,
 )

app/src/main/java/com/hyperling/expensetracker/ExpenseViewModel.kt

@@ -52,7 +52,7 @@ class ExpenseViewModel (
 
                 if (name.isBlank()
                     || cost.isBlank()
-                    //|| rate.isBlank() # TBD / TODO: Enable this once Rate is working.
+                    || rate.isBlank() // TBD / TODO: Enable this once Rate is working.
                 ) {
                     return
                 }