WXXR/miniprogram/pages/ar-classic/scene-classic-osd/index.wxml

<xr-demo-viewer
  title="扫描物体查看信息"
  intro="基于 OSD 实现的扫描 广州塔 或 虎年公仔，识别成功后会在物体右上角加上信息提示"
  hint="默认扫描图片见官网开发文档\n组件 -> xr-frame -> 示例"

>
  <xr-classic-osd
    disable-scroll
    id="main-frame"
    width="{{renderWidth}}"
    height="{{renderHeight}}"
    style="width:{{width}}px;height:{{height}}px;top:{{top}}px;left:{{left}}px;display:block;"
    markerImg="{{markerImg}}"
    bind:arTrackerState="handleARTrackerState"
  />

  <view wx:if="{{arTrackerShow}}" style="text-align: center;padding: 12px;">
    <view>Tracker识别状态：{{arTrackerState}}</view>
    <view>错误信息：{{arTrackerError}}</view>
  </view>
</xr-demo-viewer>