CameraX自定义Surface渲染预览无回调且无法正常工作的问题求助

问题描述 #

我在Android中使用CameraX组件，根据官方文档可以通过Preview.setSurfaceProvider()设置渲染界面，但我不想使用PreviewView组件，而是想把相机预览渲染到自己自定义的Surface上。试了很多方法都没成功，希望大家能帮忙，谢谢！

自定义Surface的实现（Activity代码） #

我通过GL纹理创建了自定义的Surface，具体代码如下：

Surface mPreviewSurfaces;
private int textureIds = 0;

public boolean InitTexture()
{
    // 通过GL创建OES纹理ID
    int videoTextureId = FBOUtils.createOESTextureID();
    textureIds = videoTextureId;
    if (mSurfaceTexture != null) {
        mSurfaceTexture.release();
    }

    mSurfaceTexture = new SurfaceTexture(textureIds);
    TextureListenser listenser = new TextureListenser();
    mSurfaceTexture.setDefaultBufferSize(1280, 720);
    mSurfaceTexture.setOnFrameAvailableListener(null);
    mSurfaceTexture.setOnFrameAvailableListener(listenser);
    mPreviewSurfaces = new Surface(mSurfaceTexture);
    return true;
}

CameraX的配置与启动（Service代码） #

我创建了一个Service来配置并启动CameraX，首先构建Preview实例：

Preview.Builder builder = new Preview.Builder();
builder.setTargetRotation(Surface.ROTATION_90);
builder.setResolutionSelector(resolutionSelector);
_PreviewUseCase = builder.build();

接着为Preview设置自定义的SurfaceProvider：

Surface mSurface = CameraXApp.get_Surface();

_PreviewUseCase.setSurfaceProvider(request -> {
            Size resolution = request.getResolution();
            Log.d("Camera", "Requested resolution: " + resolution.getWidth() + "x" + resolution.getHeight());

            if (mSurface != null && mSurface.isValid()) {
                Log.d("Camera", "surface.....");
            }

            assert mSurface != null;
            request.provideSurface(
                    mSurface,
                    ContextCompat.getMainExecutor(mActivity),
                    result -> { 
                        Log.d(TAG, "surface complete");
                    }
            );
});

_CameraProvider.bindToLifecycle(/* lifecycleOwner= */ (LifecycleOwner)mActivity, _CurrentCameraSelector, _PreviewUseCase);

当前遇到的问题 #

程序能够正常运行，日志中可以看到Requested resolution和surface.....的输出，但surface complete的日志完全没有打印，也无法通过result获取到回调结果。之前使用_PreviewUseCase.setSurfaceProvider(R.id.PreviewView)时，预览是可以正常显示的，实在找不到问题所在，希望大家能给我一些排查方向或提示！

备注：内容来源于stack exchange，提问作者duan danny