send notifications natively

android/app/build.gradle.kts

@@ -20,16 +20,21 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_21
+		isCoreLibraryDesugaringEnabled = true
+		sourceCompatibility = JavaVersion.VERSION_21
         targetCompatibility = JavaVersion.VERSION_21
     }
 
     defaultConfig {
         applicationId = "nexus.federated.nexus"
-        minSdk = 29
+
+		minSdk = 29
         targetSdk = flutter.targetSdkVersion
+
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+
+		multiDexEnabled = true
     }
 
     signingConfigs {
@@ -65,6 +70,7 @@ android {
 
 dependencies {
     implementation("org.unifiedpush.android:embedded-fcm-distributor:3.1.0")
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
 }
 
 kotlin {