Homepage.ts

//all imports 
 async ionViewWillEnter() {
    this.init();
    // this.zone.run(async () => {
    this.InterDish = await AdMob.addListener(InterstitialAdPluginEvents.Dismissed, () => {
      console.log("Interstitial Dismissed");
      this.nextpage();
    });
    this.InterLoadFailh = await AdMob.addListener(InterstitialAdPluginEvents.FailedToShow, () => {
      console.log("Iterstitial FailedToShow");
      this.nextpage();
    });
    // });
  }

ionViewWillLeave() {
    this.InterDish.remove();
    this.InterLoadFailh.remove();
  }

nextpage.html

<ion-segment [(ngModel)]="Design" (ionChange)="segmentChanged($event)">
      <ion-segment-button value="new">
        new
      </ion-segment-button>
      <ion-segment-button value="old">
        old
      </ion-segment-button>
      <ion-segment-button value="other">
        Other
      </ion-segment-button>
    </ion-segment>

当广告显示，如果我关闭广告，并在“下一页”段没有改变，如果我添加写这个this.cdr.detectChanges();代码，那么只有它检测到变化，如果广告不显示，那么它工作正常。