Set up kotlin, compose and material3

Author: cbalster

.gitignore

@@ -9,3 +9,4 @@
 /captures
 /projectFilesBackup*
 /keystore.properties
+/.kotlin

app/build.gradle.kts

@@ -4,6 +4,8 @@ import java.io.FileInputStream
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.unmock)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
 }
 
 // Place actual signing configuration in "keystore.properties"
@@ -74,9 +76,14 @@ android {
         targetCompatibility = JavaVersion.VERSION_11
     }
 
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+
     buildFeatures {
         viewBinding = true
         buildConfig = true
+        compose = true
     }
 
     lint {
@@ -99,7 +106,10 @@ dependencies {
     implementation(libs.okhttp)
     implementation(libs.typed.preferences)
     implementation(libs.material)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
     implementation(libs.androidx.core)
+    implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.androidx.annotation)
     implementation(libs.androidx.exifinterface)
@@ -109,6 +119,7 @@ dependencies {
     annotationProcessor(libs.dagger.compiler)
 
     debugImplementation(libs.leakcanary)
+    debugImplementation(libs.androidx.ui.tooling)
 
     testImplementation(libs.junit)
     testImplementation(libs.com.google.truth)

build.gradle.kts

@@ -1,4 +1,6 @@
 plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.unmock) apply false
+    alias(libs.plugins.kotlin.android) apply false
+    alias(libs.plugins.kotlin.compose) apply false
 }

gradle/libs.versions.toml

@@ -7,6 +7,7 @@ timber = "5.0.1"
 okhttp = "5.3.2"
 typedPreferences = "2.1.0"
 material = "1.13.0"
+material3 = "1.4.0"
 core = "1.17.0"
 appcompat = "1.7.1"
 annotation = "1.9.1"
@@ -22,6 +23,9 @@ androidTest = "1.7.0"
 espressoCore = "3.7.0"
 agp = "8.13.2"
 unmock = "0.9.0"
+kotlin = "2.2.21"
+uiToolingPreview = "1.9.4"
+uiTooling = "1.9.4"
 
 [libraries]
 otto = { group = "com.squareup", name = "otto", version.ref = "otto" }
@@ -31,7 +35,9 @@ timber = { group = "com.jakewharton.timber", name = "timber", version.ref = "tim
 okhttp = { group = "com.squareup.okhttp3", name = "okhttp", version.ref = "okhttp" }
 typed-preferences = { group = "info.metadude.android", name = "typed-preferences", version.ref = "typedPreferences" }
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3", version.ref = "material3" }
 androidx-core = { group = "androidx.core", name = "core", version.ref = "core" }
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "core" }
 androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
 androidx-annotation = { group = "androidx.annotation", name = "annotation", version.ref = "annotation" }
 androidx-exifinterface = { group = "androidx.exifinterface", name = "exifinterface", version.ref = "exifinterface" }
@@ -47,7 +53,11 @@ androidx-test-core = { group = "androidx.test", name = "core", version.ref = "an
 androidx-test-runner = { group = "androidx.test", name = "runner", version.ref = "androidTest" }
 androidx-test-rules = { group = "androidx.test", name = "rules", version.ref = "androidTest" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview", version.ref = "uiToolingPreview" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling", version.ref = "uiTooling" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
-unmock = {id = "de.mobilej.unmock", version.ref= "unmock"}
+unmock = {id = "de.mobilej.unmock", version.ref= "unmock"}
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }