Update targetSdk and dependencies

app/build.gradle

@@ -8,17 +8,15 @@ plugins {
 android {
     namespace 'com.github.muellerma.prepaidbalance'
 
-    buildToolsVersion "34.0.0"
-
     repositories {
         maven { url "https://jitpack.io" }
     }
 
     defaultConfig {
         applicationId "com.github.muellerma.prepaidbalance"
         minSdkVersion 26
-        compileSdk 34
-        targetSdkVersion 34
+        compileSdk 35
+        targetSdkVersion 35
         versionCode 38
         versionName "2.9"
 
@@ -65,11 +63,11 @@ android {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation "androidx.core:core-ktx:1.13.1"
-    implementation "androidx.fragment:fragment-ktx:1.8.3"
+    implementation "androidx.core:core-ktx:1.15.0"
+    implementation "androidx.fragment:fragment-ktx:1.8.5"
     implementation "androidx.appcompat:appcompat:1.7.0"
     implementation "androidx.preference:preference-ktx:1.2.1"
-    implementation "androidx.constraintlayout:constraintlayout:2.1.4"
+    implementation "androidx.constraintlayout:constraintlayout:2.2.0"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation "com.google.android.material:material:1.12.0"
     implementation "androidx.work:work-runtime-ktx:$workmanager_version"

app/src/main/java/com/github/muellerma/prepaidbalance/ui/MainActivity.kt

@@ -294,7 +294,7 @@ class MainActivity : AbstractBaseActivity(), SwipeRefreshLayout.OnRefreshListene
         val subscriptionManager = getSystemService(SubscriptionManager::class.java)
         if (hasPermissions(READ_PHONE_STATE)) {
             @SuppressLint("MissingPermission") // Permission IS checked one line above
-            val defaultSubscriptionId = subscriptionManager.activeSubscriptionInfoList.firstOrNull()?.subscriptionId
+            val defaultSubscriptionId = subscriptionManager.activeSubscriptionInfoList?.firstOrNull()?.subscriptionId
             prefs().subscriptionId = defaultSubscriptionId
         }
     }

app/src/main/java/com/github/muellerma/prepaidbalance/ui/PreferenceActivity.kt

@@ -152,11 +152,11 @@ class PreferenceActivity : AbstractBaseActivity() {
                 return
             }
             val subscriptionManager = requireContext().getSystemService(SubscriptionManager::class.java)
-            val (subscriptionIds, carrierNames) = subscriptionManager.activeSubscriptionInfoList.let { subscriptions ->
+            val (subscriptionIds, carrierNames) = subscriptionManager.activeSubscriptionInfoList?.let { subscriptions ->
                 val subscriptionIds = subscriptions.map { "${it.subscriptionId}" }.toTypedArray()
                 val carrierNames = subscriptions.map { it.carrierName.ifBlank { it.displayName } }.toTypedArray()
                 subscriptionIds to carrierNames
-            }
+            } ?: (emptyArray<String>() to emptyArray())
 
             val subscriptionIdPref = getPreference("subscription_id") as ListPreference
             subscriptionIdPref.isEnabled = true

build.gradle

@@ -1,8 +1,8 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.9.23"
+    ext.kotlin_version = "2.0.21"
     ext.room_version = "2.6.1"
-    ext.workmanager_version = "2.9.1"
+    ext.workmanager_version = "2.10.0"
     ext.about_libraries_version="11.2.3"
 
     repositories {
@@ -12,7 +12,7 @@ buildscript {
         maven { url "https://plugins.gradle.org/m2/" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.5.2'
+        classpath 'com.android.tools.build:gradle:8.6.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:$about_libraries_version"
 
@@ -23,7 +23,7 @@ buildscript {
 
 plugins {
     // modern kotlin annotation support; replaces kapt: https://developer.android.com/build/migrate-to-ksp
-    id 'com.google.devtools.ksp' version '1.9.23-1.0.20' apply false
+    id 'com.google.devtools.ksp' version '2.0.21-1.0.26' apply false
 }
 
 allprojects {

gradle.properties

@@ -20,4 +20,4 @@ android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
 android.nonTransitiveRClass=false
-android.nonFinalResIds=false
+android.nonFinalResIds=false