validate() {
    SpinnerDialog.show();
    let self = this;
    cordova.plugins.camerapreview.takePicture({maxWidth:640, maxHeight:640});
    cordova.plugins.camerapreview.setOnPictureTakenHandler(function(result){
      console.log(result[0]);

      window.resolveLocalFileSystemURL('file://' + result[1], gotFile, fail);
            
      function fail(e) {
            alert('Cannot found requested file');
      }

      function gotFile(fileEntry) {
            fileEntry.file((file) => {
                var reader = new FileReader();
                reader.onloadend = function(e) {
                    var content = this.result.split(',')[1];
                    console.log(content)
                    self.accountService.validateImage(content);
                };
                // The most important point, use the readAsDatURL Method from the file plugin
                reader.readAsDataURL(file);
            });
      }
    });
  }

 this.peopleService.load().then(data => {
   SpinnerDialog.hide();
   console.log(":loadPeople:", data);
   for(var i=0; i < data.length; i++){
     data[i].name.first = this.generic.captalizeName(data[i].name.first);
     data[i].name.last = this.generic.captalizeName(data[i].name.last);
     data[i].checked = false;
   }
   this.people = data;
 });

 showDialog(){
   SpinnerDialog.show('SpinnerDialog',"Native Spinner dialog");
   //SpinnerDialog.hide();
 }

 constructor(peopleService: PeopleService, generic: Generic) {
   SpinnerDialog.show();
   this.peopleService = peopleService;
   this.generic = generic;
   this.loadPeople();
 }

 spin(){
     SpinnerDialog.show('Some Spinner','Spinning is what I do');
 }