async uploadPhoto(imageFileUri: any): Promise<void> {
    this.myPhoto = imageFileUri;

    this.error = null;
    this.loading = this.loadingCtrl.create({
      content: 'Uploading...'
    });

    await this.loading.present();

    const fileTransfer: FileTransferObject = this.transfer.create();

    const fileEntry = await this.file.resolveLocalFilesystemUrl(imageFileUri);

    const options: FileUploadOptions = {
      fileKey: 'file',
      fileName: fileEntry.name,
      headers: {}
    };

    try {
      const result = await fileTransfer.upload(imageFileUri, 'http://192.168.178.84:8080/upload', options);
      console.log(result.bytesSent);
      console.log(result.responseCode);
      this.showToast(true);
    }
    catch (e) {
      console.log(e);
      this.showToast(false);
    }
    finally {
      this.loading.dismiss();
    }
  }

 uploadFile() {
   let loader = this.loadingCtrl.create({
     content: "Uploading..."
   });
   loader.present();
   const fileTransfer: FileTransferObject = this.transfer.create();
 
   let options: FileUploadOptions = {
     fileKey: 'ionicfile',
     fileName: 'ionicfile',
     chunkedMode: false,
     mimeType: "image/jpeg",
     headers: {}
   }
 
   fileTransfer.upload(this.imageURI, 'http://192.168.0.7:8080/api/uploadImage', options)
     .then((data) => {
     console.log(data+" Uploaded Successfully");
     this.imageFileName = "http://192.168.0.7:8080/static/images/ionicfile.jpg"
     loader.dismiss();
     this.presentToast("Image uploaded successfully");
   }, (err) => {
     console.log(err);
     loader.dismiss();
     this.presentToast(err);
   });
 }

 updateAndroid() {
   const targetPath = this.file.externalApplicationStorageDirectory + '/app/app.apk';
   this.localNotifications.schedule({
     id: 1000,
     title: '正在更新...',
     progressBar: { enabled: true, maxValue: 100, value: 0 }
   });
   const transfer = this.transfer.create();
   transfer.onProgress(event => {
     const progress = ((event.loaded / event.total) * 100).toFixed(2);
     this.localNotifications.update({
       id: 1000,
       title: '正在更新...',
       sound: null,
       progressBar: { enabled: true, maxValue: 100, value: Math.round(Number(progress)) }
     });
   });
   transfer.download(this.config.get().hotUpdateUrl.android, targetPath).then(() => {
     this.localNotifications.clear(1000);
     this.dialog.confirm('更新通知', '新版本下载完成是否现在安装?', () => {
       this.fileOpener.open(targetPath, 'application/vnd.android.package-archive');
     });
   }, e => {
     console.log(e);
   });
 }

 this.platform.ready().then(_ => {
   this.fileTransfer = this.transfer.create();
 });