Add a spatial layout for CustomizeExportScreen

feature/results/src/main/java/com/android/developers/androidify/customize/CustomizeExportLayoutType.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.developers.androidify.customize
+
+import androidx.compose.runtime.Composable
+import androidx.xr.compose.platform.LocalSpatialCapabilities
+import com.android.developers.androidify.util.isAtLeastMedium
+
+enum class CustomizeExportLayoutType {
+    Compact,
+    Medium,
+    Spatial,
+}
+
+@Composable
+fun calculateLayoutType(enableXr: Boolean = false): CustomizeExportLayoutType {
+    return when {
+        LocalSpatialCapabilities.current.isSpatialUiEnabled && enableXr -> CustomizeExportLayoutType.Spatial
+        isAtLeastMedium() -> CustomizeExportLayoutType.Medium
+        else -> CustomizeExportLayoutType.Compact
+    }
+}