Flutter convert Future to List

Question

I want to convert following

Future<UserDetl> f = AppDatabase().userById('55e62a90-273c-11ea-9441-f75d5cd0114b');

into List<UserDetl> lstUser

class UserDetl {
  String userId;
  String userName;
  String userPlace;
  String userUrl;

  UserDetl(this.userId,this.userName, this.userPlace, this.userUrl);

}

and I wanna get username from the list

String user = lstUser[0].userName;

Did you tried https://stackoverflow.com/questions/55011075/return-a-list-from-a-future-in-flutter — Pankaj Kumar, Dec 26 '19 at 09:00
that one using FutureBuilder method, and that method is only applicable to Future> — Ashique bzq, Dec 26 '19 at 09:02
Does this answer your question? [Getting values from Future instances](https://stackoverflow.com/questions/46579358/getting-values-from-future-instances) — easeccy, Dec 26 '19 at 09:16

score 0 · Answer 1 · answered Dec 26 '19 at 09:04

0

try this !

getUser() async {

UserDetl tmp = await  AppDatabase().userById('55e62a90-273c-11ea-9441-f75d5cd0114b');

if(tmp!=null)
 setState((){
    UserDetl u = v;
});
}

answered Dec 26 '19 at 09:04

Naveen Avidi

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score 0 · Answer 2 · answered Dec 26 '19 at 09:05

0

You simply have to build a list with your result:

Future<UserDetl> f = AppDatabase().userById('55e62a90-273c-11ea-9441-f75d5cd0114b');
UserDetl user = await f;
List<UserDetl> lstUser = [user];

answered Dec 26 '19 at 09:05

Alexandre Ardhuin

71,959
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score 0 · Answer 3 · answered Dec 26 '19 at 13:14

0

Future<UserDetl> f = //get your Futuredata
UserDetl user = await f;
List<UserDetl> lstUser = [user];//add in list

//you also can get it from list like:

UserDetl user = lstUser[0];

answered Dec 26 '19 at 13:14

Jaydeep chatrola

2,423
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17

Flutter convert Future to List

3 Answers3