frontend-app/App.vue

<script>
  export default {
    onLaunch: function() {
      console.log('App Launch')
    },
    onShow: function() {
      console.log('App Show')
    },
    onHide: function() {
      console.log('App Hide')
    }
  }
</script>

<style lang="scss">
	@import "@/uni_modules/uview-plus/index.scss";
	@import '@/uni.scss';
	@import '@/common.scss';
	
  .container {
    padding: 15px;
  }

  button {
    margin-bottom: 15px;
  }
</style>