PLATIR-45069: Add theme overrides for AEP Presentables

code/core/src/main/res/values/styles.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<resources>
+    <!-- This theme exists to override specific attributes from the base application theme to make
+    AEP UI Service Presentables look as desired. This theme intentionally does not have a parent
+    and should be used in conjunction with applyStyle() on the base application theme. -->
+    <style name="AepSdkUiService.OverrideTheme" parent="">
+        <item name="android:background">@android:color/transparent</item>
+    </style>
+</resources>

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/alert/AlertPresentable.kt

@@ -44,7 +44,7 @@ internal class AlertPresentable(
     mainScope
 ) {
     override fun getContent(activityContext: Context): ComposeView {
-        return ComposeView(activityContext).apply {
+        return ComposeView(getThemedContext(activityContext)).apply {
             setContent {
                 AlertScreen(
                     presentationStateManager = presentationStateManager,

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/common/AEPPresentable.kt

@@ -13,11 +13,13 @@ package com.adobe.marketing.mobile.services.ui.common
 
 import android.app.Activity
 import android.content.Context
+import android.view.ContextThemeWrapper
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.MainThread
 import androidx.annotation.VisibleForTesting
 import androidx.compose.ui.platform.ComposeView
+import com.adobe.marketing.mobile.core.R
 import com.adobe.marketing.mobile.internal.util.ActivityCompatOwnerUtils
 import com.adobe.marketing.mobile.services.Log
 import com.adobe.marketing.mobile.services.ServiceConstants
@@ -291,6 +293,37 @@ internal abstract class AEPPresentable<T : Presentation<T>> :
         onAnimationComplete()
     }
 
+    /**
+     * Returns a themed context that applies overrides to the base context theme
+     * to ensure that the presentable UI is consistent with the rest of the application while
+     * ensuring that specific attributes like view background are not inherited from the base theme.
+     */
+    protected fun getThemedContext(context: Context): Context {
+        // Theme overrides are supported only for API level 23 and above. For lower API levels,
+        // return the base context as is.
+        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.M) {
+            return context
+        }
+
+        try {
+            val newTheme = context.resources.newTheme()
+            // Apply the base theme attributes to the new theme
+            newTheme.setTo(context.theme)
+            val themedContext = ContextThemeWrapper(context, newTheme)
+            // Apply the override theme to the themed context
+            themedContext.theme.applyStyle(R.style.AepSdkUiService_OverrideTheme, true)
+            return themedContext
+        } catch (e: Exception) {
+            Log.error(
+                ServiceConstants.LOG_TAG,
+                LOG_SOURCE,
+                "Error while creating themed context",
+                e
+            )
+        }
+        return context
+    }
+
     /**
      * Fetches the [ComposeView] associated with the presentable. This ComposeView is used to
      * render the UI of the presentable by attaching it to the content view of the activity.

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/floatingbutton/FloatingButtonPresentable.kt

@@ -62,7 +62,7 @@ internal class FloatingButtonPresentable(
     }
 
     override fun getContent(activityContext: Context): ComposeView {
-        return ComposeView(activityContext).apply {
+        return ComposeView(getThemedContext(activityContext)).apply {
             setContent {
                 FloatingButtonScreen(
                     presentationStateManager = presentationStateManager,

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/floatingbutton/views/FloatingButton.kt

@@ -90,6 +90,7 @@ internal fun FloatingButton(
         modifier = Modifier
             .height(heightDp.value)
             .width(widthDp.value)
+            .background(Color.Transparent)
             .testTag(FloatingButtonTestTags.FLOATING_BUTTON_AREA)
     ) {
         FloatingActionButton(

code/core/src/phone/java/com/adobe/marketing/mobile/services/ui/message/InAppMessagePresentable.kt

@@ -77,7 +77,7 @@ internal class InAppMessagePresentable(
      * @param activityContext the context of the activity
      */
     override fun getContent(activityContext: Context): ComposeView {
-        return ComposeView(activityContext).apply {
+        return ComposeView(getThemedContext(activityContext)).apply {
             layoutParams = ViewGroup.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT,
                 ViewGroup.LayoutParams.MATCH_PARENT