Update Android dependencies and AGP (#165)

This updates kotlin, gson, AGP, and WorkManager to the latest versions.

It also updates the README to include the correct ndk version for our AGP, as specified here: developer.android.com/build/releases/gradle-plugin#compatibility

README.md

@@ -22,7 +22,7 @@ Run `flutter doctor` and fix everything it complains before proceeding
 
 - Copy `env.sh.example` and set it up for your machine
 - Ensure you have run `gomobile init`
-- In Android Studio, make sure you have the current ndk installed by going to Tools -> SDK Manager, go to the SDK Tools tab, check the `Show package details` box, expand the NDK section and select `21.1.6352462` version.
+- In Android Studio, make sure you have the current ndk installed by going to Tools -> SDK Manager, go to the SDK Tools tab, check the `Show package details` box, expand the NDK section and select `26.1.10909125` version.
 - Ensure you have downloaded an ndk via android studio, this is likely not the default one and you need to check the
   `Show package details` box to select the correct version. The correct version comes from the error when you try and compile
 - Make sure you have `gem` installed with `sudo gem install`

android/app/build.gradle

@@ -77,10 +77,10 @@ flutter {
 }
 
 dependencies {
-    def workVersion = "2.7.1"
+    def workVersion = "2.9.1"
     implementation "androidx.security:security-crypto:1.0.0"
     implementation "androidx.work:work-runtime-ktx:$workVersion"
-    implementation 'com.google.code.gson:gson:2.8.9'
+    implementation 'com.google.code.gson:gson:2.11.0'
     implementation "com.google.guava:guava:31.0.1-android"
     implementation project(':mobileNebula')
 

android/app/src/main/kotlin/net/defined/mobile_nebula/MainActivity.kt

@@ -98,7 +98,12 @@ class MainActivity: FlutterActivity() {
 
         apiClient = APIClient(context)
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             registerReceiver(refreshReceiver, IntentFilter(ACTION_REFRESH_SITES), RECEIVER_NOT_EXPORTED)
+        } else {
+            @Suppress("UnspecifiedRegisterReceiverFlag")
+            registerReceiver(refreshReceiver, IntentFilter(ACTION_REFRESH_SITES))
+        }
 
         enqueueDNUpdater()
     }

android/app/src/main/kotlin/net/defined/mobile_nebula/NebulaVpnService.kt

@@ -213,7 +213,12 @@ class NebulaVpnService : VpnService() {
     }
 
     private fun registerReloadReceiver() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             registerReceiver(reloadReceiver, IntentFilter(ACTION_RELOAD), RECEIVER_NOT_EXPORTED)
+        } else {
+            @Suppress("UnspecifiedRegisterReceiverFlag")
+            registerReceiver(reloadReceiver, IntentFilter(ACTION_RELOAD))
+        }
     }
 
     private fun unregisterReloadReceiver() {

android/settings.gradle

@@ -18,8 +18,8 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version '8.5.2' apply false
-    id "org.jetbrains.kotlin.android" version "1.7.20" apply false
+    id "com.android.application" version '8.6.1' apply false
+    id "org.jetbrains.kotlin.android" version "2.0.20" apply false
 }
 
 include ':app', ':mobileNebula'

lib/screens/AboutScreen.dart

@@ -73,7 +73,7 @@ class _AboutScreenState extends State<AboutScreen> {
         Padding(
             padding: EdgeInsets.only(top: 20),
             child: Text(
-              'Copyright © 2022 Defined Networking, Inc',
+              'Copyright © 2024 Defined Networking, Inc',
               textAlign: TextAlign.center,
             )),
       ]),