<!-- pages/draw-ad/draw-ad.ttml -->
<draw-ad unit-id="{{unitId}}" full-screen="{{fullScreen}}" scale="{{scale}}" binderror="onDrawAdError"
    bindplay="onDrawAdPlay" bindstop="onDrawAdStop"></draw-ad>
<view>
    <button bindtap="updateFullScreen">updateFullScreen</button>
    <button bindtap="updateScale">updateScale</button>
</view>

// pages/draw-ad/draw-ad.js
Page({
  data: {
    unitId: "dpcnwfbzctrqzqq18a",
    fullScreen: true,
    scale: 1.5,
    drawStyle: "",
  },
  onDrawAdError(e) {
    console.log("error", e);
  },
  onDrawAdPlay(e) {
    console.log("play");
  },
  onDrawAdStop(e) {
    console.log("stop");
  },
});