app.ts

import { Component } from '@angular/core';
import { Platform, ionicBootstrap, AlertController } from 'ionic-angular';
import { StatusBar, AppVersion, Splashscreen } from 'ionic-native';
import { FlipsPage } from './pages/flips';
import {Deploy} from '@ionic/cloud-angular';
import {provideCloud, CloudSettings, DeployDownloadOptions} from '@ionic/cloud-angular';

const cloudSettings: CloudSettings = {
  'core': {
    'app_id': '26acc044'
  }
};

@Component({
  template: '<ion-nav [root]="rootPage"></ion-nav>'
})
export class MyApp {

  public rootPage: any;

  constructor(private platform: Platform, public deploy: Deploy, public alertCtrl: AlertController) {
    this.rootPage = FlipsPage;

    platform.ready().then(() => {
      this.hideSplashScreen();

      AppVersion.getVersionNumber().then((version) => {
        console.log('Version: ' + version);
      });

      this.deploy.info().then((info) => {
        var actualUuid = info.deploy_uuid;
        console.log('Info: ' + JSON.stringify(info));
        this.deploy.getSnapshots().then((snapshots) => {
          console.log('Snapshots: ' + JSON.stringify(snapshots));
          var arrayLength = snapshots.length;
          for (var i = 0; i < arrayLength; i++) {
            if (snapshots[i] !== actualUuid) {
              var snapshot = snapshots[i];
              this.deploy.deleteSnapshot(snapshot).then(() => {
                console.log('Snapshoot deleted: ' + snapshot);
              });
            }
          }
        });
      });

      // update app if new version is available
      this.deploy.check().then((snapshotAvailable: boolean) => {
        if (snapshotAvailable) {
          let confirm = this.alertCtrl.create({
            title: 'Update',
            message: 'Es ist eine neue Version vorhanden, soll diese installiert werden?',
            buttons: [
              {
                text: 'Ok',
                handler: () => {
                  this.deploy.download(class extends DeployDownloadOptions {
                    onProgress(p: number) {
                      console.log("Progress: " + p);
                    }
                  }).then(() => {
                    console.log('Downloading ...');
                    this.deploy.extract().then(() => {
                      console.log('Extracting ...');
                      this.deploy.load();
                    }, (extractError) => {
                      console.log('Error extracting update: ' + extractError);
                    });
                  }, (downloadError) => {
                    console.log('Error downloading update: ' + downloadError);
                  });
                }
              },
              {
                text: 'Später',
                handler: () => {
                  console.log('Install later');
                }
              }
            ]
          });
          confirm.present();
        }
      });

      StatusBar.styleDefault();
    });
  }

  hideSplashScreen() {
    if (Splashscreen) {
        setTimeout(() => {
            Splashscreen.hide();
        }, 100);
    }
}
}

ionicBootstrap(MyApp, [provideCloud(cloudSettings)]);