<live-player src="https://pull-flv-l6.ixigua.com/game/stream-106078795436654621.flv" id="livePlayer"
  style="width: 240px; height: 180px;" />
<view style="display: flex; justify-content: space-between; align-items: center;">
  <button bindtap="requestFullScreen" size="mini">RequestFullScreen</button>
  <button bindtap="exitFullScreen" size="mini">ExitFullScreen</button>
</view>

Page({
  livePlayerContext: undefined,
  onReady() {
    this.livePlayerContext = tt.createLivePlayerContext("livePlayer");
  },
  requestFullScreen() {
    this.livePlayerContext.requestFullScreen();
  },
  exitFullScreen() {
    this.livePlayerContext.exitFullScreen();
  },
});