[MOB-14384] - API to modify Floating button image

AEPServices/Sources/ui/floating/FloatingButton.swift

@@ -63,6 +63,13 @@ public class FloatingButton: NSObject, FloatingButtonPresentable {
         }
     }
 
+    public func setButtonImage(imageData: Data) {
+        let image = UIImage(data: imageData)
+        DispatchQueue.main.async {
+            self.buttonImageView?.image = image
+        }
+    }
+
     private func initFloatingButton() -> Bool {
         guard let newFrame: CGRect = getImageFrame() else {
             Log.debug(label: LOG_PREFIX, "Floating button couldn't be displayed, failed to create a new frame.")

AEPServices/Sources/ui/floating/FloatingButtonPresentable.swift

@@ -16,4 +16,11 @@ import Foundation
 /// Represents a FloatingButton UI element which is both `Showable` and `Dismissible`
 ///
 @objc(AEPFloatingButtonPresentable)
-public protocol FloatingButtonPresentable: Showable, Dismissible {}
+public protocol FloatingButtonPresentable: Showable, Dismissible {
+
+    /// Set the Image for the floating button.
+    /// The size of the floating button is 60x60 (width x height), provide the image data accordingly
+    /// - Parameters:
+    ///     - imageData : The `Data` representation of a UIImage
+    func setButtonImage(imageData: Data)
+}

AEPServices/Tests/services/FloatingButtonTests.swift

@@ -48,6 +48,11 @@ class FloatingButtonTests : XCTestCase {
         XCTAssertNoThrow(floatingButton?.dismiss())
     }
 
+    func test_setButtonImage() {
+        floatingButton = FloatingButton(listener: mockListener)
+        XCTAssertNoThrow(floatingButton?.setButtonImage(imageData: Data()))
+    }
+
     class MockListener: FloatingButtonDelegate {
         func onShow() {}
         func onDismiss() {}