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Hello Android XR Updates #19
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82 changes: 82 additions & 0 deletions
82
app/src/main/java/com/example/helloandroidxr/bugdroid/BugdroidController.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * Copyright 2024 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.helloandroidxr.bugdroid | ||
|
|
||
| import android.annotation.SuppressLint | ||
| import android.content.Context | ||
| import android.util.Log | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.xr.runtime.Session | ||
| import androidx.xr.scenecore.GltfModel | ||
| import com.example.helloandroidxr.R | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.launch | ||
| import java.io.InputStream | ||
|
|
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| class BugdroidController( | ||
| private val xrSession: Session?, | ||
| private val context: Context, | ||
| private val coroutineScope: CoroutineScope | ||
| ) { | ||
| var gltfModel by mutableStateOf<GltfModel?>(null) | ||
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|
||
| init { | ||
| loadBugdroidModel() | ||
| } | ||
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| private fun loadBugdroidModel() { | ||
| coroutineScope.launch { | ||
| gltfModel = BugdroidGltfModelCache.getOrLoadModel(xrSession, context) | ||
| } | ||
| } | ||
| } | ||
|
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| private object BugdroidGltfModelCache { | ||
| private var cachedModel: GltfModel? = null | ||
| @SuppressLint("RestrictedApi") | ||
| suspend fun getOrLoadModel( | ||
| xrCoreSession: Session?, context: Context | ||
| ): GltfModel? { | ||
| xrCoreSession ?: run { | ||
| Log.w(TAG, "Cannot load model, session is null.") | ||
| return null | ||
| } | ||
| return if (cachedModel == null) { | ||
| try { | ||
| val inputStream: InputStream = | ||
| context.resources.openRawResource(R.raw.bugdroid_animated_wave) | ||
| cachedModel = GltfModel.create( | ||
| xrCoreSession, inputStream.readBytes(), "BUGDROID" | ||
| ) | ||
| cachedModel | ||
| } catch (e: Exception) { | ||
| Log.e(TAG, "Error loading GLTF model", e) | ||
| null | ||
| } | ||
| } else { | ||
| cachedModel | ||
| } | ||
| } | ||
|
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| fun clearCache() { | ||
| cachedModel = null | ||
| } | ||
|
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| const val TAG = "BugdroidGltfModelCache" | ||
| } |
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