TextureView getBitmap java.lang.IllegalStateException

TextureView textureView = findViewById(R.id.textureView);
textureView.setSurfaceTextureListener(new TextureView.SurfaceTextureListener() {
    @Override
    public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) {
        // TextureView准备好后的回调方法
        // 在这里可以调用getBitmap方法
        Bitmap bitmap = textureView.getBitmap();
        // 处理获取到的bitmap对象
    }

    @Override
    public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, int height) {
        // TextureView尺寸变化时的回调方法
    }

    @Override
    public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
        // TextureView销毁时的回调方法
        return false;
    }

    @Override
    public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
        // TextureView更新时的回调方法
    }
});