Strong Skipping update + stability Config file

app/build.gradle.kts

@@ -2,7 +2,8 @@
 plugins {
   alias(libs.plugins.androidApplication)
   alias(libs.plugins.kotlinAndroid)
-  id("com.google.devtools.ksp") version "1.8.10-1.0.9"
+  id("com.google.devtools.ksp") version "1.9.21-1.0.15"
+//  id("com.google.devtools.ksp") version "1.8.10-1.0.9"
 }
 
 android {
@@ -40,13 +41,19 @@ android {
     compose = true
   }
   composeOptions {
-    kotlinCompilerExtensionVersion = "1.4.3"
+    kotlinCompilerExtensionVersion = "1.5.5"
   }
   packaging {
     resources {
       excludes += "/META-INF/{AL2.0,LGPL2.1}"
     }
   }
+  tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+    compilerOptions.freeCompilerArgs.addAll(
+      "-P",
+      "plugin:androidx.compose.compiler.plugins.kotlin:experimentalStrongSkipping=true",
+    )
+  }
 }
 
 dependencies {

app/src/main/java/dev/sagar/composeperformance/module/ModuleExample.kt

@@ -1,13 +1,14 @@
 package dev.sagar.composeperformance.module
 
+import android.os.Build
+import androidx.annotation.RequiresApi
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.height
 import androidx.compose.material3.Checkbox
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -27,32 +28,42 @@ import dev.sagar.domain.ContactInfo
  * 3.  Enable the Compose compiler and make the data classes stable using the Stable annotation(s).
  * However it will just be the dependency for the compose runtime and not for Compose-UI.
  */
+
+//data class ContactInfo(
+//  val name: Int,
+//  val number: Int,
+//)
+@RequiresApi(Build.VERSION_CODES.O)
 @Composable
 @Destination
 fun ModuleExample() {
   println("ModuleExample")
   var isChecked by remember {
     mutableStateOf(false)
   }
+  val contact = ContactInfo(name = 123, number = 1234567890)
+//  val contact = LocalTime.of(12, 12, 12, 12)
   Column(
     modifier = Modifier
   ) {
     Checkbox(checked = isChecked, onCheckedChange = {
       isChecked = it
     })
-    ContactModule(contact = ContactInfo(name = "Sagar", number = 1234567890))
+    ContactModuleTesting(contact = contact)
 
   }
 }
 
 // ISSUE: Composable is taking a data class which is in a seperate module. The Compose compiler
 // cannot infer the stability of this class. As such it declares it as unstable.
 @Composable
-private fun ContactModule(contact: ContactInfo) {
+fun ContactModuleTesting(contact: ContactInfo) {
   Column {
-    Text(text = contact.name)
+//    Text(text = contact.name.toString())
+    Text(text = contact.toString())
     Spacer(modifier = Modifier.height(8.dp))
-    Text(text = "${contact.number}")
+//    Text(text = "${contact.number}")
+//    Text(text = "${contact.number}")
   }
 }
 

app/src/main/java/dev/sagar/composeperformance/runtimestability/RuntimeStabilityExample.kt

@@ -22,20 +22,21 @@ import com.ramcosta.composedestinations.annotation.Destination
  * SOLUTION:
  * 1. Make your param as "val" instead of "var
  */
+
+val contactSimple = ContactInfo(name = "Sagar", number = 1234567890)
 @Composable
 @Destination
 fun RuntimeStabilityExample() {
   var isChecked by remember {
     mutableStateOf(false)
   }
-  val contact = ContactInfo(name = "Sagar", number = 1234567890)
   Column(
     modifier = Modifier
   ) {
     Checkbox(checked = isChecked, onCheckedChange = {
       isChecked = it
     })
-    Contact(contact = contact)
+    Contact(contact = contactSimple)
   }
 }
 
@@ -49,7 +50,7 @@ private fun Contact(contact: ContactInfo) {
 }
 
 // ISSUE: Params are defined as "var" which means it's mutable, and can be changed at runtime.
-private data class ContactInfo(
+data class ContactInfo(
   var name: String,
   var number: Int,
 )

app/src/main/java/dev/sagar/composeperformance/runtimestability/RuntimeStabilityFix.kt

@@ -14,13 +14,13 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import com.ramcosta.composedestinations.annotation.Destination
 
+val contact = ContactInfoFix(name = "Sagar", number = 1234567890)
 @Composable
 @Destination
 fun RuntimeStabilityFix() {
   var isChecked by remember {
     mutableStateOf(false)
   }
-  val contact = ContactInfoFix(name = "Sagar", number = 1234567890)
   Column(
     modifier = Modifier
   ) {
@@ -41,7 +41,7 @@ private fun Contact(contact: ContactInfoFix) {
 }
 
 // Solution: Params are defined as "val" which means it's immutable, and makes the runtime stability stable
-private data class ContactInfoFix(
+data class ContactInfoFix(
   val name: String,
   val number: Int,
 )

build.gradle.kts

@@ -9,18 +9,20 @@ true // Needed to make the Suppress annotation work for the plugins block
 subprojects {
   tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
     kotlinOptions {
-      if (project.findProperty("enableComposeCompilerReports") == "true") {
-        freeCompilerArgs += listOf(
-          "-P",
-          "plugin:androidx.compose.compiler.plugins.kotlin:metricsDestination=" +
-            project.buildDir.absolutePath + "/compose_compiler"
-        )
-      }
+      freeCompilerArgs += listOf(
+        "-P",
+        "plugin:androidx.compose.compiler.plugins.kotlin:metricsDestination=" +
+          project.buildDir.absolutePath + "/compose_compiler"
+      )
       freeCompilerArgs += listOf(
         "-P",
         "plugin:androidx.compose.compiler.plugins.kotlin:reportsDestination=" +
           project.buildDir.absolutePath + "/compose_compiler"
       )
+      freeCompilerArgs += listOf(
+        "-P",
+        "plugin:androidx.compose.compiler.plugins.kotlin:stabilityConfigurationPath=$rootDir/config/compose_compiler_config.conf",
+      )
     }
   }
 }

config/compose_compiler_config.conf

@@ -0,0 +1,8 @@
+// This file contains classes (with possible wildcards) that the Compose Compiler will treat as stable.
+// It allows us to define classes that our not part of our codebase without wrapping them in a stable class.
+// For more information, check https://developer.android.com/jetpack/compose/performance/stability/fix#configuration-file
+kotlin.collections.List
+kotlin.collections.Set
+kotlin.collections.Map
+java.time.LocalTime
+dev.sagar.domain.ContactInfo

domain/src/main/java/dev/sagar/domain/ContactInfo.kt

@@ -1,6 +1,6 @@
 package dev.sagar.domain
 
 data class ContactInfo(
-  val name: String,
+  val name: Int,
   val number: Int,
 )

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
-agp = "8.3.0-alpha02"
-kotlin = "1.8.10"
+agp = "8.3.0"
+kotlin = "1.9.20"
 core-ktx = "1.9.0"
 junit = "4.13.2"
 androidx-test-ext-junit = "1.1.5"
@@ -14,6 +14,8 @@ material = "1.9.0"
 kotlinx-collections-immutable = "0.3.4"
 compose-viewmodel = "2.6.1"
 coroutines-core = "1.7.3"
+compose-lint-checks = "1.2.0"
+compose-destinations = "1.9.52"
 
 [libraries]
 core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "core-ktx" }
@@ -37,6 +39,10 @@ kotlinx-collections-immutable = { group = "org.jetbrains.kotlinx", name = "kotli
 compose-viewmodel =  { group = "androidx.lifecycle", name = "lifecycle-viewmodel-compose", version.ref = "compose-viewmodel" }
 coroutines-core =  { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-core", version.ref = "coroutines-core" }
 
+compose-lint-checks = { module = "com.slack.lint.compose:compose-lint-checks", version.ref = "compose-lint-checks" }
+compose-destinations-core = { module = "io.github.raamcosta.compose-destinations:compose-destinations-core", version.ref = "compose-destinations" }
+compose-destinations-ksp = { module = "io.github.raamcosta.compose-destinations:compose-destinations-ksp", version.ref = "compose-destinations" }
+
 [plugins]
 androidApplication = { id = "com.android.application", version.ref = "agp" }
 kotlinAndroid = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Fri Aug 18 18:15:27 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-rc-2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists