update gradle versions in build files and apply agp 8 fixes

Author: sbSteveK

android/build.gradle

@@ -6,7 +6,9 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:7.1.2"
+        // AGP 8.5.1+ aligns uncompressed .so at 16KB automatically
+        // Requires JDK 17+
+        classpath "com.android.tools.build:gradle:8.5.1"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

android/iotdevicesdk/build.gradle

@@ -43,18 +43,30 @@ ext {
 }
 
 android {
-    compileSdkVersion 30
-    buildToolsVersion "30.0.3"
+    namespace "software.amazon.awssdk.iotdevicesdk"   // REQUIRED on AGP 8+
+
+    compileSdkVersion 35
 
     defaultConfig {
         minSdkVersion 24
-        targetSdkVersion 30
+        targetSdkVersion 33
         versionCode = gitVersionCode()
         versionName = gitVersionName()
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-rules.pro'
     }
 
+    buildFeatures { 
+        // AGP 8 disables buildConfig generation by default. We set this to true
+        // to resstore BuildConfig.VERSION_NAME for both debug and release build types.
+        buildConfig true 
+    }
+
+    // Make the 'release' SoftwareComponent available for publishing on AGP 8
+    publishing {
+        singleVariant("release") { withSourcesJar() }
+    }
+
     sourceSets {
         main.java {
             srcDirs = ['src/main/java',
@@ -145,7 +157,10 @@ afterEvaluate {
 
         publications {
             release(MavenPublication) {
-                from components.release
+                def comp = components.findByName("release")
+                if (comp != null) {
+                    from comp
+                }
 
                 groupId = 'software.amazon.awssdk.iotdevicesdk'
                 artifactId = 'aws-iot-device-sdk-android'

sdk/tests/android/testapp/build.gradle

@@ -5,7 +5,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:7.1.2"
+        classpath "com.android.tools.build:gradle:8.5.1"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }