feat: Add secrets plugin check to ApiDemos and Advanced samples

Maps3DSamples/ApiDemos/gradle/libs.versions.toml

@@ -4,7 +4,7 @@ minSdk = "26"
 targetSdk = "36"
 
 activityCompose = "1.11.0"
-agp = "8.13.0"
+agp = "8.13.2"
 appcompat = "1.7.1"
 composeBom = "2025.09.00"
 coreKtx = "1.17.0"

Maps3DSamples/ApiDemos/java-app/build.gradle.kts

@@ -14,6 +14,46 @@
  * limitations under the License.
  */
 
+import org.gradle.api.GradleException
+import java.io.File
+
+// Check for secrets.properties file before proceeding with build tasks.
+val secretsFile = rootProject.file("secrets.properties")
+if (!secretsFile.exists()) {
+    val requestedTasks = gradle.startParameter.taskNames
+    if (requestedTasks.isEmpty()) {
+        // It's likely an IDE sync if no tasks are specified, so just issue a warning.
+        println("Warning: secrets.properties not found. Gradle sync may succeed, but building/running the app will fail.")
+    } else {
+        val buildTaskKeywords = listOf("build", "install", "assemble")
+        val isBuildTask = requestedTasks.any { task ->
+            buildTaskKeywords.any { keyword ->
+                task.contains(keyword, ignoreCase = true)
+            }
+        }
+
+        val testTaskKeywords = listOf("test", "report", "lint")
+        val isTestTask = requestedTasks.any { task ->
+            testTaskKeywords.any { keyword ->
+                task.contains(keyword, ignoreCase = true)
+            }
+        }
+
+        if (isBuildTask && !isTestTask) {
+            val defaultsFile = rootProject.file("local.defaults.properties")
+            val requiredKeysMessage = if (defaultsFile.exists()) {
+                defaultsFile.readText()
+            } else {
+                "MAPS_API_KEY=<YOUR_API_KEY>"
+            }
+
+            throw GradleException("secrets.properties file not found. Please create a 'secrets.properties' file in the root project directory with the following content:\n" +
+                    "\n" +
+                    requiredKeysMessage)
+        }
+    }
+}
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.secrets.gradle.plugin)

Maps3DSamples/ApiDemos/kotlin-app/build.gradle.kts

@@ -14,6 +14,46 @@
  * limitations under the License.
  */
 
+import org.gradle.api.GradleException
+import java.io.File
+
+// Check for secrets.properties file before proceeding with build tasks.
+val secretsFile = rootProject.file("secrets.properties")
+if (!secretsFile.exists()) {
+    val requestedTasks = gradle.startParameter.taskNames
+    if (requestedTasks.isEmpty()) {
+        // It's likely an IDE sync if no tasks are specified, so just issue a warning.
+        println("Warning: secrets.properties not found. Gradle sync may succeed, but building/running the app will fail.")
+    } else {
+        val buildTaskKeywords = listOf("build", "install", "assemble")
+        val isBuildTask = requestedTasks.any { task ->
+            buildTaskKeywords.any { keyword ->
+                task.contains(keyword, ignoreCase = true)
+            }
+        }
+
+        val testTaskKeywords = listOf("test", "report", "lint")
+        val isTestTask = requestedTasks.any { task ->
+            testTaskKeywords.any { keyword ->
+                task.contains(keyword, ignoreCase = true)
+            }
+        }
+
+        if (isBuildTask && !isTestTask) {
+            val defaultsFile = rootProject.file("local.defaults.properties")
+            val requiredKeysMessage = if (defaultsFile.exists()) {
+                defaultsFile.readText()
+            } else {
+                "MAPS_API_KEY=<YOUR_API_KEY>"
+            }
+
+            throw GradleException("secrets.properties file not found. Please create a 'secrets.properties' file in the root project directory with the following content:\n" +
+                    "\n" +
+                    requiredKeysMessage)
+        }
+    }
+}
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)

Maps3DSamples/advanced/app/build.gradle.kts

@@ -14,6 +14,46 @@
  * limitations under the License.
  */
 
+import org.gradle.api.GradleException
+import java.io.File
+
+// Check for secrets.properties file before proceeding with build tasks.
+val secretsFile = rootProject.file("secrets.properties")
+if (!secretsFile.exists()) {
+    val requestedTasks = gradle.startParameter.taskNames
+    if (requestedTasks.isEmpty()) {
+        // It's likely an IDE sync if no tasks are specified, so just issue a warning.
+        println("Warning: secrets.properties not found. Gradle sync may succeed, but building/running the app will fail.")
+    } else {
+        val buildTaskKeywords = listOf("build", "install", "assemble")
+        val isBuildTask = requestedTasks.any { task ->
+            buildTaskKeywords.any { keyword ->
+                task.contains(keyword, ignoreCase = true)
+            }
+        }
+
+        val testTaskKeywords = listOf("test", "report", "lint")
+        val isTestTask = requestedTasks.any { task ->
+            testTaskKeywords.any { keyword ->
+                task.contains(keyword, ignoreCase = true)
+            }
+        }
+
+        if (isBuildTask && !isTestTask) {
+            val defaultsFile = rootProject.file("local.defaults.properties")
+            val requiredKeysMessage = if (defaultsFile.exists()) {
+                defaultsFile.readText()
+            } else {
+                "MAPS_API_KEY=<YOUR_API_KEY>"
+            }
+
+            throw GradleException("secrets.properties file not found. Please create a 'secrets.properties' file in the root project directory with the following content:\n" +
+                    "\n" +
+                    requiredKeysMessage)
+        }
+    }
+}
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)

Maps3DSamples/advanced/gradle/libs.versions.toml

@@ -3,7 +3,7 @@ compileSdk = "36"
 minSdk = "26"
 targetSdk = "36"
 
-agp = "8.13.0"
+agp = "8.13.2"
 kotlin = "2.2.20"
 kotlinxDatetime = "0.7.1"
 coreKtx = "1.17.0"