From 503f1c66958798ef7294165c3ddeaffbd4908ee9 Mon Sep 17 00:00:00 2001
From: OpenAI Codex <codex@local>
Date: Sun, 30 Aug 2026 08:38:39 +0800
Subject: [PATCH] fix: preserve particle validation mode on rotation

---
 .../ParticleCoreLayerValidationActivity.kt    | 23 +++++++++++++++----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/platform/android/MapLibreAndroidTestApp/src/main/java/org/maplibre/android/testapp/activity/particle/ParticleCoreLayerValidationActivity.kt b/platform/android/MapLibreAndroidTestApp/src/main/java/org/maplibre/android/testapp/activity/particle/ParticleCoreLayerValidationActivity.kt
index 11f90ad90..3fb071755 100644
--- a/platform/android/MapLibreAndroidTestApp/src/main/java/org/maplibre/android/testapp/activity/particle/ParticleCoreLayerValidationActivity.kt
+++ b/platform/android/MapLibreAndroidTestApp/src/main/java/org/maplibre/android/testapp/activity/particle/ParticleCoreLayerValidationActivity.kt
@@ -21,7 +21,14 @@ class ParticleCoreLayerValidationActivity : AppCompatActivity() {
     private var enabled = true
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        active = savedInstanceState?.getBoolean(STATE_ACTIVE, true) ?: true
+        enabled = savedInstanceState?.getBoolean(STATE_ENABLED, true) ?: true
         super.onCreate(savedInstanceState)
+        Log.i(
+            TAG,
+            "ParticleValidation30_02: Activity state restored active=$active enabled=$enabled " +
+                "recreated=${savedInstanceState != null}"
+        )
         setContentView(R.layout.activity_particle_core_layer_validation)
 
         mapView = findViewById(R.id.mapView)
@@ -29,11 +36,13 @@ class ParticleCoreLayerValidationActivity : AppCompatActivity() {
         mapView.onCreate(savedInstanceState)
         mapView.getMapAsync { map ->
             maplibreMap = map
-            map.cameraPosition = CameraPosition.Builder()
-                .target(LatLng(0.0, 0.0))
-                .zoom(2.0)
-                .build()
-            loadValidationStyle(active = true, enabled = true)
+            if (savedInstanceState == null) {
+                map.cameraPosition = CameraPosition.Builder()
+                    .target(LatLng(0.0, 0.0))
+                    .zoom(2.0)
+                    .build()
+            }
+            loadValidationStyle(active = active, enabled = enabled)
         }
 
         findViewById<Button>(R.id.validationActive).setOnClickListener {
@@ -103,11 +112,15 @@ class ParticleCoreLayerValidationActivity : AppCompatActivity() {
     override fun onLowMemory() { super.onLowMemory(); mapView.onLowMemory() }
 
     override fun onSaveInstanceState(outState: Bundle) {
+        outState.putBoolean(STATE_ACTIVE, active)
+        outState.putBoolean(STATE_ENABLED, enabled)
         super.onSaveInstanceState(outState)
         mapView.onSaveInstanceState(outState)
     }
 
     companion object {
         private const val TAG = "ParticleValidation"
+        private const val STATE_ACTIVE = "particle_validation.active"
+        private const val STATE_ENABLED = "particle_validation.enabled"
     }
 }