Add snippets for "Transition from Home Space to Full Space"

Author: devbridie

xr/src/main/java/com/example/xr/misc/ModeTransition.kt

@@ -0,0 +1,36 @@
+/*
+ * 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.example.xr.misc
+
+import androidx.compose.runtime.Composable
+import androidx.xr.compose.platform.LocalSpatialConfiguration
+import androidx.xr.scenecore.Session
+
+@Composable
+fun modeTransitionCompose() {
+    // [START androidxr_misc_modeTransitionCompose]
+    LocalSpatialConfiguration.current.requestHomeSpaceMode()
+    // or
+    LocalSpatialConfiguration.current.requestFullSpaceMode()
+    // [END androidxr_misc_modeTransitionCompose]
+}
+
+fun modeTransitionScenecore(xrSession: Session) {
+    // [START androidxr_misc_modeTransitionScenecore]
+    xrSession.spatialEnvironment.requestHomeSpaceMode()
+    // [END androidxr_misc_modeTransitionScenecore]
+}