toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'title': title,
'body': body,
'title-loc-key': titleLocKey,
'title-loc-args': titleLocArgs,
'subtitle': subtitle,
'subtitle-loc-key': subtitleLocKey,
'subtitle-loc-args': subtitleLocArgs,
'body-loc-key': bodyLocKey,
'body-loc-args': bodyLocArgs,
'launch-image': launchImage,
}..removeWhere((k, v) => v == null);
}