my.onAppShow

Page({
  onLoad() {
    my.onAppShow(() => {
      // Refresh data when user returns to app
      this.fetchLatestData();
    });
  },

  fetchLatestData() {
    my.request({
      url: 'https://api.example.com/data',
      success: (res) => {
        this.setData({ items: res.data });
      }
    });
  }
});

Page({
  data: {
    timer: null
  },

  onLoad() {
    my.onAppShow(this.resumeTimer.bind(this));
    my.onAppHide(this.pauseTimer.bind(this));
    this.startTimer();
  },

  startTimer() {
    this.data.timer = setInterval(() => {
      // Timer logic
    }, 1000);
  },

  pauseTimer() {
    clearInterval(this.data.timer);
  },

  resumeTimer() {
    this.startTimer();
  }
});

App({
  onLaunch() {
    my.onAppShow((res) => {
      // Track app resume events
      this.trackEvent('app_resume', {
        path: res.path,
        timestamp: Date.now()
      });
    });
  }
});