ionic-s3-opencamerafunction.ts

openCamera() {
  this.platform.ready().then(readySource => {
    const options: CameraOptions = {
      quality: 100,
      destinationType: this.camera.DestinationType.DATA_URL,
      encodingType: this.camera.EncodingType.JPEG,
      mediaType: this.camera.MediaType.PICTURE
    };

    this.camera.getPicture(options).then(
      imageData => {
        this.imageView = "data:image/jpeg;base64," + imageData;
        this.imageData = imageData;
      },
      err => {
        alert("Error in capture image");
      }
    );
  });
}