使用 Scenform 将 SceneView 加载到片段中后黑屏 [英] Black screen after loading SceneView, using Scenform, into a fragment

问题描述

我正在开展一个项目，该项目将在一个片段中包含一个 3D 模型查看器.为了做到这一点，我决定使用场景形式.我在我的选项卡片段中尝试显示 SceneView 后遇到了问题.

I am working on a project that will have a 3D model viewer in one fragment. In order to do so, I decided to use sceneform. I have encountered a problem with SceneView, after trying to display it, in my tab fragment.

一切都是根据示例和场景形式文档完成的，但是 sceneView 显示黑屏，无论我指定的颜色如何.

Everything is done according to examples and sceneform documentation, but sceneView display black screen, regardless of the colour I am assigning.

这里是场景加载器

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        vw = inflater.inflate(R.layout.fragment_open_gl, container, false);
        sceneView = vw.findViewById(R.id.scene_view);
        return vw;
    }

和片段:

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".OpenGL">

    <com.google.ar.sceneform.SceneView
        android:id="@+id/scene_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/Crimson"/>

</FrameLayout>

推荐答案

我通过添加暂停和恢复场景视图以及片段解决了这个问题:

I solved the issue by adding pausing and resuming sceneview, along with the fragment:

    @Override
    public void onPause() {
        super.onPause();
        sceneView.pause();
    }

    @Override
    public void onResume() {
        super.onResume();
        try {
            sceneView.resume();
        } catch (CameraNotAvailableException e) {
            e.printStackTrace();
        }
    }

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