Migrate "Add 3D models to your app" to snippets

Author: devbridie

xr/src/main/java/com/example/xr/scenecore/GltfEntity.kt

@@ -0,0 +1,48 @@
+package com.example.xr.scenecore
+
+import android.content.Intent
+import android.net.Uri
+import androidx.activity.ComponentActivity
+import androidx.xr.scenecore.GltfModel
+import androidx.xr.scenecore.GltfModelEntity
+import androidx.xr.scenecore.Session
+import androidx.xr.scenecore.SpatialCapabilities
+import androidx.xr.scenecore.getSpatialCapabilities
+import kotlinx.coroutines.guava.await
+
+private suspend fun loadGltfFile(session: Session) {
+    // [START androidxr_scenecore_gltfmodel_create]
+    val gltfModel = GltfModel.create(session, "models/saturn_rings.glb").await()
+    // [END androidxr_scenecore_gltfmodel_create]
+}
+
+private fun createModelEntity(session: Session, gltfModel: GltfModel) {
+    // [START androidxr_scenecore_gltfmodelentity_create]
+    if (session.getSpatialCapabilities()
+            .hasCapability(SpatialCapabilities.SPATIAL_CAPABILITY_3D_CONTENT)
+    ) {
+        val gltfEntity = GltfModelEntity.create(session, gltfModel)
+    }
+    // [END androidxr_scenecore_gltfmodelentity_create]
+}
+
+private fun animateEntity(gltfEntity: GltfModelEntity) {
+    // [START androidxr_scenecore_gltfmodelentity_animation]
+    gltfEntity.startAnimation(loop = true, animationName = "Walk")
+    // [END androidxr_scenecore_gltfmodelentity_animation]
+}
+
+private fun ComponentActivity.startSceneViewer() {
+    // [START androidxr_scenecore_sceneviewer]
+    val url =
+        "https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/FlightHelmet/glTF/FlightHelmet.gltf"
+    val sceneViewerIntent = Intent(Intent.ACTION_VIEW)
+    val intentUri =
+        Uri.parse("https://arvr.google.com/scene-viewer/1.2")
+            .buildUpon()
+            .appendQueryParameter("file", url)
+            .build()
+    sceneViewerIntent.setDataAndType(intentUri, "model/gltf-binary")
+    startActivity(sceneViewerIntent)
+    // [END androidxr_scenecore_sceneviewer]
+}