Final change necessary to get a successful build. Still needs to be tested on a device to see if it really runs.

.idea/kotlinc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.9.0" />
+    <option name="version" value="2.0.0" />
   </component>
 </project>

app/build.gradle.kts

@@ -1,9 +1,7 @@
 plugins {
     alias(libs.plugins.android.application)
-    alias(libs.plugins.jetbrains.kotlin.android)
-
-    // https://medium.com/@rowaido.game/implementing-the-room-library-with-jetpack-compose-590d13101fa7
-    id("com.google.devtools.ksp")
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
 
     // For Room (2024-12-17)
     kotlin("kapt")
@@ -11,19 +9,16 @@ plugins {
 
 android {
     namespace = "com.hyperling.expensetracker"
-    compileSdk = 34
+    compileSdk = 35
 
     defaultConfig {
         applicationId = "com.hyperling.expensetracker"
         minSdk = 24
         targetSdk = 34
         versionCode = 1
-        versionName = "0.0.1"
+        versionName = "0.0.2"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
-        vectorDrawables {
-            useSupportLibrary = true
-        }
     }
 
     buildTypes {
@@ -36,26 +31,15 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
     buildFeatures {
         compose = true
     }
-    composeOptions {
-        kotlinCompilerExtensionVersion = "1.5.1"
-
-        // https://medium.com/@rowaido.game/implementing-the-room-library-with-jetpack-compose-590d13101fa7
-        //kotlinCompilerExtensionVersion = "1.5.11"
-    }
-    packaging {
-        resources {
-            excludes += "/META-INF/{AL2.0,LGPL2.1}"
-        }
-    }
 }
 
 dependencies {
@@ -76,19 +60,10 @@ dependencies {
     debugImplementation(libs.androidx.ui.tooling)
     debugImplementation(libs.androidx.ui.test.manifest)
 
-    // https://medium.com/@rowaido.game/implementing-the-room-library-with-jetpack-compose-590d13101fa7
-    /* This is crazy? How are people supposed to know how to do this, and especially "fix" it when it doesn't work?
-    implementation(libs.androidx.room.runtime)
-    implementation(libs.androidx.room.ktx)
-    ksp(libs.androidx.room.compiler)
-
-    implementation(libs.androidx.lifecycle.viewmodel.compose)
-    */
-
-    // For Room (2024-12-17)
+    // For Room
     // https://www.youtube.com/watch?v=bOd3wO0uFr8&themeRefresh=1
     /* build.gradle version * /
-    def room_version: String = "2.6.1"
+    def room_version: String = "2.5.0"
     implementation"androidx.room:room-ktx:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
     // */
@@ -97,4 +72,4 @@ dependencies {
     implementation("androidx.room:room-ktx:$room_version")
     kapt("androidx.room:room-compiler:$room_version")
     // */
-}
+}

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/ExpenseDao.kt

@@ -21,10 +21,10 @@ interface ExpenseDao {
     @Query("SELECT * FROM expense ORDER BY name ASC")
     fun selectExpensesName(): Flow<List<Expense>>
 
-    @Query("SELECT * FROM expense ORDER BY rate ASC")
-    fun selectExpensesRate(): Flow<List<Expense>>
-
     @Query("SELECT * FROM expense ORDER BY cost ASC")
     fun selectExpensesCost(): Flow<List<Expense>>
 
+    @Query("SELECT * FROM expense ORDER BY rate ASC")
+    fun selectExpensesRate(): Flow<List<Expense>>
+
 }

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

@@ -42,7 +42,7 @@ fun ExpenseDialogAdd(
                     },
                     keyboardOptions = KeyboardOptions(capitalization = KeyboardCapitalization.Words)
                 )
-                // TBD: Had to make this a String, can we turn it back to a Double somehow?
+                // TBD / TODO: Had to make this a String, can we turn it back to a Double somehow?
                 TextField(
                     value = state.cost,
                     onValueChange = {
@@ -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, enable this once Rate is working.
+                    || rate.isBlank() // TBD / TODO: Enable this once Rate is working.
                 ) {
                     return
                 }
@@ -67,7 +67,7 @@ class ExpenseViewModel (
                     isAddingExpense = false,
                     name = "",
                     cost = "",
-                    rate = Rate.MONTHLY,
+                    rate = "", // TBD / TODO: Rate.MONTHLY,
                 ) }
             }
             is ExpenseEvent.SetName -> {

app/src/main/java/com/hyperling/expensetracker/MainActivity-OLD.kt

@@ -1,5 +1,8 @@
 package com.hyperling.expensetracker
 
+/* TBD / TODO: This file exists temporarily for viewing what the old version was doing.
+// TBD / TODO: Remove this file.
+
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
@@ -137,4 +140,5 @@ fun MainPreview() {
     ExpenseTrackerTheme {
         Main()
     }
-}
+}
+*/

build.gradle.kts

@@ -1,8 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     alias(libs.plugins.android.application) apply false
-    alias(libs.plugins.jetbrains.kotlin.android) apply false
-
-    // https://medium.com/@rowaido.game/implementing-the-room-library-with-jetpack-compose-590d13101fa7
-    id("com.google.devtools.ksp") version "1.9.23-1.0.19" apply false
+    alias(libs.plugins.kotlin.android) apply false
+    alias(libs.plugins.kotlin.compose) apply false
 }

gradle/libs.versions.toml

@@ -1,16 +1,13 @@
 [versions]
 agp = "8.7.3"
-kotlin = "1.9.0"
-coreKtx = "1.10.1"
+kotlin = "2.0.0"
+coreKtx = "1.15.0"
 junit = "4.13.2"
-junitVersion = "1.1.5"
-espressoCore = "3.5.1"
+junitVersion = "1.2.1"
+espressoCore = "3.6.1"
 lifecycleRuntimeKtx = "2.6.1"
 activityCompose = "1.8.0"
 composeBom = "2024.04.01"
-roomCompiler = "2.6.1"
-roomKtx = "2.6.1"
-roomRuntime = "2.6.1"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -30,5 +27,6 @@ androidx-material3 = { group = "androidx.compose.material3", name = "material3"
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
-jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }