class VersionItem { String content; String version; String url; int device; // 1 Android 2 iOS int code; int forceUpdate; VersionItem( {this.content = "", this.version = "", this.url = "", this.code = 0, this.device = 1, this.forceUpdate = 0}); VersionItem.fromJsonMap(Map map) : content = map["content"], version = map["version"], url = map["url"], code = map["code"], device = map["device"], forceUpdate = map["forceUpdate"]; Map toJson() { final Map data = new Map(); data['content'] = content; data['version'] = version; data['url'] = url; data['code'] = code; data['device'] = device; data['forceUpdate'] = forceUpdate; return data; } }