account.ts

  selectAvatar() {
    const options: CameraOptions = {
      quality: 100,
      targetHeight: 200,
      targetWidth: 200,
      destinationType: this.camera.DestinationType.DATA_URL,
      encodingType: this.camera.EncodingType.JPEG,
      mediaType: this.camera.MediaType.PICTURE
    }

    this.camera.getPicture(options).then((imageData) => {
      let loading = this.loadingCtrl.create({
        content: 'Please wait...'
      });
      loading.present();
      // imageData is either a base64 encoded string or a file URI
      // If it's base64:
      this.selectedPhoto  = this.dataURItoBlob('data:image/jpeg;base64,' + imageData);
      this.upload(loading);
    }, (err) => {
      // Handle error
    });
    //this.avatarInput.nativeElement.click();
  }