Add array support for icon-padding (#2845)

platform/android/MapLibreAndroid/src/main/java/org/maplibre/android/style/expressions/Expression.java

@@ -3688,6 +3688,20 @@ public class Expression {
     return new Expression("to-color", input);
   }
 
+  /**
+   * Converts input value to a padding.
+   *
+   * If the input is a number or an array of numbers padding is created following
+   * the same pattern as CSS padding. See <a href="https://maplibre.org/maplibre-style-spec/types/#padding">Style specification</a>.
+   * Otherwise, the expression is an error.
+   *
+   * @param input expression input
+   * @return expression
+   */
+  public static Expression toPadding(@NonNull Expression input) {
+    return new Expression("to-padding", input);
+  }
+
   /**
    * Binds input to named variables,
    * which can then be referenced in the result expression using {@link #var(String)} or {@link #var(Expression)}.

platform/android/MapLibreAndroid/src/main/java/org/maplibre/android/style/layers/PropertyFactory.java

@@ -2050,18 +2050,18 @@ The unit is in density-independent pixels only for SDF sprites that were created
   /**
    * Size of additional area round the icon bounding box used for detecting symbol collisions.
    *
-   * @param value a Float value
-   * @return property wrapper around Float
+   * @param value a Float[] value
+   * @return property wrapper around Float[]
    */
-  public static PropertyValue<Float> iconPadding(Float value) {
+  public static PropertyValue<Float[]> iconPadding(Float[] value) {
     return new LayoutPropertyValue<>("icon-padding", value);
   }
 
   /**
    * Size of additional area round the icon bounding box used for detecting symbol collisions.
    *
-   * @param value a Float value
-   * @return property wrapper around Float
+   * @param value a Float[] value
+   * @return property wrapper around Float[]
    */
   public static PropertyValue<Expression> iconPadding(Expression value) {
     return new LayoutPropertyValue<>("icon-padding", value);

platform/android/MapLibreAndroid/src/main/java/org/maplibre/android/style/layers/SymbolLayer.java

@@ -316,13 +316,13 @@ public class SymbolLayer extends Layer {
   /**
    * Get the IconPadding property
    *
-   * @return property wrapper value around Float
+   * @return property wrapper value around Float[]
    */
   @NonNull
   @SuppressWarnings("unchecked")
-  public PropertyValue<Float> getIconPadding() {
+  public PropertyValue<Float[]> getIconPadding() {
     checkThread();
-    return (PropertyValue<Float>) new PropertyValue("icon-padding", nativeGetIconPadding());
+    return (PropertyValue<Float[]>) new PropertyValue("icon-padding", nativeGetIconPadding());
   }
 
   /**