Add PropertyFactory.iconPadding(Float) overload for better backcompat (#2880)

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

@@ -2047,6 +2047,16 @@ The unit is in density-independent pixels only for SDF sprites that were created
     return new LayoutPropertyValue<>("icon-rotate", 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
+   */
+  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.
    *

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

@@ -90,6 +90,18 @@ public class PropertyFactory {
     return new LayoutPropertyValue<>("<%-  property.name %>", value);
   }
 
+<% } -%>
+<% if (property.type === 'padding') { -%>
+  /**
+   * <%- propertyFactoryMethodDoc(property) %>
+   *
+   * @param value a Float value
+   * @return property wrapper around Float
+   */
+  public static PropertyValue<Float> <%- camelizeWithLeadingLowercase(property.name) %>(Float value) {
+    return new LayoutPropertyValue<>("<%-  property.name %>", value);
+  }
+
 <% } -%>
   /**
    * <%- propertyFactoryMethodDoc(property) %>

platform/android/MapLibreAndroidTestApp/src/androidTest/java/org/maplibre/android/testapp/style/SymbolLayerTest.java

@@ -425,6 +425,10 @@ public class SymbolLayerTest extends BaseLayerTest {
     Float[] propertyValue = {2.0f, 2.0f, 2.0f, 2.0f};
     layer.setProperties(iconPadding(propertyValue));
     assertEquals(layer.getIconPadding().getValue(), propertyValue);
+    // Single number value can be used too for backward compatibility
+    Float number = propertyValue[0] + 1.0f;
+    layer.setProperties(iconPadding(number));
+    assertEquals(layer.getIconPadding().getValue(), new Float[]{number, number, number, number});
   }
 
   @Test

platform/android/MapLibreAndroidTestApp/src/androidTest/java/org/maplibre/android/testapp/style/layer.junit.ejs

@@ -232,6 +232,12 @@ public class <%- camelize(type) %>LayerTest extends BaseLayerTest {
 <% } -%>
     layer.setProperties(<%- camelizeWithLeadingLowercase(property.name) %>(propertyValue));
     assertEquals(layer.get<%- camelize(property.name) %>().getValue(), propertyValue);
+<% if (property.type === 'padding') { -%>
+    // Single number value can be used too for backward compatibility
+    Float number = propertyValue[0] + 1.0f;
+    layer.setProperties(<%- camelizeWithLeadingLowercase(property.name) %>(number));
+    assertEquals(layer.get<%- camelize(property.name) %>().getValue(), new Float[]{number, number, number, number});
+<% } -%>
 <% if (property.tokens) { -%>
 
     layer.setProperties(<%- camelizeWithLeadingLowercase(property.name) %>("{token}"));