Image preview faild

Ionic Framework ionic-v3
1

html code

 <img src="{{ imdata}}" />

my ts code

 import { Camera, CameraOptions } from '@ionic-native/camera';
private imdata;
 constructor( private camera: Camera){}



take()
  {
    
  const options: CameraOptions = {
  quality: 100,
  destinationType: this.camera.DestinationType.FILE_URI,
  encodingType: this.camera.EncodingType.JPEG,
  mediaType: this.camera.MediaType.PICTURE
}

this.camera.getPicture(options).then((imageData) => {
 // imageData is either a base64 encoded string or a file URI
 // If it's base64 (DATA_URL):
 this.imdata = 'data:image/jpeg;base64,' + imageData;
}, (err) => {
 // Handle error
});
  }