feat: add vehicle customization, Arabic search normalization, and smooth movement interpolation

apps/siro_maps/android/app/build.gradle.kts

@@ -1,9 +1,18 @@
+import java.util.Properties
+import java.io.FileInputStream
+
 plugins {
     id("com.android.application")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id("dev.flutter.flutter-gradle-plugin")
 }
 
+val keystoreProperties = Properties()
+val keystorePropertiesFile = rootProject.file("key.properties")
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace = "com.siro_map.siro_maps"
     compileSdk = flutter.compileSdkVersion
@@ -15,20 +24,43 @@ android {
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId = "com.siro_map.siro_maps"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = 23
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
     }
 
+    signingConfigs {
+        create("release") {
+            keyAlias = keystoreProperties["keyAlias"] as String?
+            keyPassword = keystoreProperties["keyPassword"] as String?
+            val storeFilePath = keystoreProperties["storeFile"] as String?
+            if (storeFilePath != null) {
+                storeFile = file(storeFilePath)
+            }
+            storePassword = keystoreProperties["storePassword"] as String?
+        }
+    }
+
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
+            val hasReleaseKey = keystorePropertiesFile.exists() && keystoreProperties["storeFile"] != null
+            signingConfig = if (hasReleaseKey) {
+                signingConfigs.getByName("release")
+            } else {
+                signingConfigs.getByName("debug")
+            }
+
+            // Enable R8 / ProGuard Code Optimization & Shrinking
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+        debug {
             signingConfig = signingConfigs.getByName("debug")
         }
     }
@@ -36,6 +68,7 @@ android {
 
 dependencies {
     implementation("androidx.car.app:app:1.4.0")
+    implementation("androidx.car.app:app-projected:1.4.0")
 }
 
 kotlin {

apps/siro_maps/android/app/proguard-rules.pro

@@ -0,0 +1,65 @@
+# ==============================================================================
+# Siro Maps (map-saas) ProGuard & R8 Optimization Rules
+# ==============================================================================
+
+# ── 1. FLUTTER EMBEDDING & NATIVE CHANNELS ────────────────────────────────────
+-keep class io.flutter.app.** { *; }
+-keep class io.flutter.plugin.** { *; }
+-keep class io.flutter.util.** { *; }
+-keep class io.flutter.view.** { *; }
+-keep class io.flutter.** { *; }
+-keep class io.flutter.plugins.** { *; }
+
+-keepattributes *Annotation*
+-keepattributes SourceFile,LineNumberTable
+-keepattributes Signature
+-keepattributes InnerClasses,EnclosingMethod
+
+# Keep native methods used by Flutter engine
+-keepclasseswithmembers class * {
+    native <methods>;
+}
+
+# ── 2. ANDROID AUTO (CAR APP LIBRARY) ─────────────────────────────────────────
+-keep class androidx.car.app.** { *; }
+-keep interface androidx.car.app.** { *; }
+-keep class androidx.car.app.model.** { *; }
+-keep class androidx.car.app.navigation.** { *; }
+-keep class androidx.car.app.navigation.model.** { *; }
+-keep class androidx.car.app.validation.** { *; }
+
+# Keep our custom CarAppService, Session, Screen and State models
+-keep class com.siro_map.siro_maps.car.** { *; }
+-keepclassmembers class com.siro_map.siro_maps.car.** { *; }
+
+-dontwarn androidx.car.app.**
+
+# ── 3. MAPLIBRE GL NATIVE & RENDERING ENGINE ──────────────────────────────────
+-keep class org.maplibre.** { *; }
+-keep interface org.maplibre.** { *; }
+-keep class org.maplibre.android.** { *; }
+-keep interface org.maplibre.android.** { *; }
+-keep class org.maplibre.android.maps.** { *; }
+-keep class org.maplibre.android.geometry.** { *; }
+-keep class org.maplibre.android.style.** { *; }
+
+-dontwarn org.maplibre.**
+-dontwarn org.maplibre.android.**
+
+# ── 4. SHRED PREFERENCES & DATA MODELS ────────────────────────────────────────
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    private static final java.io.ObjectStreamField[] serialPersistentFields;
+    !static !transient <fields>;
+    !private <fields>;
+    !private <methods>;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}
+
+# ── 5. KOTLIN & COROUTINES ────────────────────────────────────────────────────
+-dontwarn kotlin.**
+-dontwarn kotlinx.coroutines.**
+-keep class kotlin.Metadata { *; }

apps/siro_maps/android/app/src/main/kotlin/com/siro_map/siro_maps/car/SiroNavScreen.kt

@@ -35,28 +35,31 @@ class SiroNavScreen(carContext: CarContext) : Screen(carContext) {
                 .build()
         )
 
-        // 3. Live Speed
+        // 3. Live Speed & Heading
         paneBuilder.addRow(
             Row.Builder()
-                .setTitle("السرعة الحالية")
-                .addText(state.formattedSpeed)
+                .setTitle("السرعة والاتجاه")
+                .addText("${state.formattedSpeed}  •  الزاوية ${state.bearing.toInt()}°")
                 .build()
         )
 
-        // Stop navigation action button
-        paneBuilder.addAction(
-            Action.Builder()
-                .setTitle("إنهاء الملاحة")
-                .setOnClickListener {
-                    SiroCarAppService.stopNavigation()
-                    invalidate()
-                }
-                .build()
-        )
+        // Header Action Strip for seamless access across landscape, portrait, and Coolwalk multi-window
+        val actionStrip = ActionStrip.Builder()
+            .addAction(
+                Action.Builder()
+                    .setTitle("إنهاء الملاحة")
+                    .setOnClickListener {
+                        SiroCarAppService.stopNavigation()
+                        invalidate()
+                    }
+                    .build()
+            )
+            .build()
 
         return PaneTemplate.Builder(paneBuilder.build())
             .setTitle("ملاحة سيرو • جارية الآن")
             .setHeaderAction(Action.APP_ICON)
+            .setActionStrip(actionStrip)
             .build()
     }
 
@@ -66,7 +69,7 @@ class SiroNavScreen(carContext: CarContext) : Screen(carContext) {
         paneBuilder.addRow(
             Row.Builder()
                 .setTitle("خرائط سيرو السيادية (Siro Maps)")
-                .addText("التطبيق متصل بنجاح بشاشة السيارة")
+                .addText("متصل بشاشة السيارة • جاهز للتوجيه")
                 .build()
         )
 
@@ -80,7 +83,7 @@ class SiroNavScreen(carContext: CarContext) : Screen(carContext) {
         paneBuilder.addRow(
             Row.Builder()
                 .setTitle("بدء الملاحة")
-                .addText("حدد وجهتك من شاشة الهاتف للانتقال الفوري إلى وضع الملاحة ثلاثية الأبعاد")
+                .addText("حدد وجهتك من تطبيق الهاتف لبدء الملاحة التفاعلية فوراً")
                 .build()
         )