[BREAKING] Upgrade Gradle, Kotlin and Interval calculations

.gitignore

@@ -1,6 +1,7 @@
 *.iml
 .gradle
 /local.properties
+.idea/
 /.idea/caches
 /.idea/libraries
 /.idea/modules.xml
@@ -71,4 +72,4 @@ outTmp/
 /kotlin-native/dist
 kotlin-ide/
 .kotlin/
-.teamcity/
+.teamcity/

README.md

@@ -45,10 +45,10 @@ dependencies {
 }
 ```
 
-If needed, update your `gradle.settings` to reference Kotlin version compatible with 2.0.20, e.g.:
+If needed, update your `gradle.settings` to reference Kotlin version compatible with 2.2.21, e.g.:
 
 ```
-id "org.jetbrains.kotlin.android" version "2.0.20" apply false
+id "org.jetbrains.kotlin.android" version "2.2.21" apply false
 ```
 
 ### Permission for internet access
@@ -636,7 +636,7 @@ queues and contexts.
 ## Requirements
 
 - Android API 21 or later
-- Kotlin 2.0.20
+- Kotlin 2.2.21
 - Gradle 6.8.3–8.8\*
 - AGP 7.1.3–8.5
 

google-services/build.gradle.kts

@@ -1,28 +1,25 @@
-import org.jetbrains.kotlin.gradle.dsl.ExplicitApiMode
-import com.vanniktech.maven.publish.SonatypeHost
-
 plugins {
     alias(libs.plugins.androidLibrary)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.vanniktech.publish)
 }
 
 android {
-    compileSdk = 35
+    compileSdk = 36
 
     defaultConfig {
-        minSdk = 21
+        minSdk = 23
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles("consumer-rules.pro")
     }
 
     lint {
-        targetSdk = 34
+        targetSdk = 35
     }
 
     @Suppress("UnstableApiUsage")
     testOptions {
-        targetSdk = 34
+        targetSdk = 35
     }
 
     buildTypes {

gradle/libs.versions.toml

@@ -1,24 +1,24 @@
 [versions]
-agp = "8.8.0"
-kotlin = "2.0.20"
-coreKtx = "1.15.0"
+agp = "8.13.1"
+kotlin = "2.2.21"
+coreKtx = "1.17.0"
 junit = "4.13.2"
-junitVersion = "1.2.1"
-espressoCore = "3.6.1"
-lifecycleRuntimeKtx = "2.8.7"
-activityCompose = "1.10.0"
-composeBom = "2024.04.01"
-ktor = "3.0.2"
-kotlinx = "1.7.3"
-coroutines = "1.10.1"
+junitVersion = "1.3.0"
+espressoCore = "3.7.0"
+lifecycleRuntimeKtx = "2.10.0"
+activityCompose = "1.12.0"
+composeBom = "2024.09.00"
+ktor = "3.3.2"
+kotlinx = "1.9.0"
+coroutines = "1.10.2"
 uiautomator = "2.3.0"
-vanniktech-publish = "0.30.0"
-appcompat = "1.7.0"
-mockk = "1.13.13"
-robolectric = "4.7.3"
-androidxTest = "1.6.1"
-datetime = "0.6.2"
-google-play-billing = "7.1.1"
+vanniktech-publish = "0.35.0"
+appcompat = "1.7.1"
+mockk = "1.14.6"
+robolectric = "4.16"
+androidxTest = "1.7.0"
+datetime = "0.7.1"
+google-play-billing = "8.1.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
+#Tue Nov 25 10:40:49 CET 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME