persist_page_data_tab.dart

class _EventContentState extends State<EventContent> with AutomaticKeepAliveClientMixin<> {
  final String url = 'https://furnishmenow.co.za/wp-json/wp/v2/posts'; // Testing url
  List data;

  Future<String> getEventContentData() async{
    var res = await http.get(Uri.encodeFull(url), headers: { "Accept": "applications/json"});
    setState(() {
      var resBody = json.decode(res.body);
      data = resBody;
    });
    return "Success";
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      child: ListView.builder(
        itemCount: data == null ? 0 : data.length,
        itemBuilder: (BuildContext context, int index){
          return Container(
              child: Center(
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.stretch,
                  children: <Widget>[
                    Card(
                      child: Container(
                          color: Colors.grey,
                          padding: EdgeInsets.all(15.0),
                          child: Column(
                            children: <Widget>[
                              Image.network('https://furnishmenow.co.za/.../2018/05/website_front.jpg', height: 150.0,), // Dummy image
                              Container(
                                padding: EdgeInsets.only(top:10.0, bottom: 10.0),
                                child: Text(data[index]["title"]["rendered"], style: TextStyle(color: Colors.white, fontSize: 20.0),),
                              ),
                              Text(data[index]["content"]["rendered"], style: TextStyle(color: Colors.white),),
                            ],
                          )
                      ),
                    ),

                  ],
                ),
              )
          );
        },
      ),
    );

  }

  @override
  void initState() {
    super.initState();
    this.getEventContentData();
  }

  @override
  // TODO: implement wantKeepAlive
  bool get wantKeepAlive => true;
}