Se puede si, añade estas librerias a tu proyecto
$ ionic cordova plugin add com.darktalker.cordova.screenshot
$ npm install --save @ionic-native/screenshot
- Supported platforms
Y se usa así
import { Screenshot } from '@ionic-native/screenshot';
constructor(private screenshot: Screenshot) { }
...
// Take a screenshot and save to file
this.screenshot.save('jpg', 80, 'myscreenshot.jpg').then(onSuccess, onError);
// Take a screenshot and get temporary file URI
this.screenshot.URI(80).then(onSuccess, onError);