Flutter instance of future int
WebApr 7, 2024 · which uses a float representing elapsed time in seconds to change the value of the colour displayed.. To use this shader, we need to use Flutter’s shader API, that allows us to set the values of uniforms in loaded GLSL programs. Fluttter’s API here is a bit spartan and provides only a setFloat() method which rather than using the names of uniforms, … WebAug 22, 2024 · I am trying to return the length of items returned by a query using the .length.toString method and storing the String response in an variable. final String numberOfChildren = FirebaseFirestore.instance .collection("children") .where("parentUID", isEqualTo: uid) .snapshots() .length .toString();
Flutter instance of future int
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WebMar 20, 2024 · I am trying to get the length of a collection in Firebase using Flutter. ... instance of Future firebase; dart; flutter; google-cloud-firestore; future; Share. Improve this question. Follow edited Mar 20, 2024 at 0:58. creativecreatorormaybenot. WebFeb 7, 2024 · I am getting Future instance while getting sharedPreference value as follows. Future getCounterValue() async{ SharedPreferences preferences= await SharedPreferences.getInstance(); return preferences.getInt("counter") ; } Then I want to get int value from that Future instance. Please help thanks in advance.
WebNov 29, 2024 · The problem is in the for cycle, the variable dist is a Future type and cannot be assigned to list[i].distance. How can I convert that value to a normal int? I've tried the solution of @Nuts but: WebMay 21, 2024 · Using a Future. There are two ways to execute a Future and use the value it returns. If it returns any. The most common way is to await on the Future to return. For this to work your function that ...
WebJan 26, 2024 · Future getCount() async { DatabaseHelper helper = DatabaseHelper.instance; int counter = await helper.getNumberOfUsers(); return counter; } I want to get the result of this function into int variable to use it inside onPressed in … WebJul 21, 2024 · A simple answer is that if a function returns its value with a delay of some time, Future is used to get its value. Future calculate ( {required int val1, required int val2}) async { await Future.delayed (const Duration (seconds: 2)); return val1 + val2; } if we call the above function as.
WebMar 5, 2024 · Note: In Flutter, a Singleton refers to a design pattern in which there can only be one instance of a particular class created throughout the lifetime of an application.
WebJul 10, 2024 · I want to get all the items from the database, but i am stuck how to convert the Future list of strings to list of strings. var x = DataBaseHelper.instance.queryAllRows(); Future> queryAllRows() async { Database db = await instance._initDatabase(); List> s = await db.query(table … dr who assistir online dubladoWebApr 9, 2024 · I think this could be the issue since we need to give the document ID to go and actually retrieve the sub-collection and the field inside it, but also I don't know how I could give the document ID of the current user. I am really new to using flutter and firebase and I want to pursue a career in this field by creating applications. dr who asylum of the daleksWebAug 11, 2024 · 1 Answer. Sorted by: 2. Initialize your function as: Future> getEventsList () async {// your code} and use as: Map eventMap = await getEventsList (); Share. Improve this answer. comfort inn 4380 peoria st denver coWebTeams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams comfort inn 4 balsam st collingwood onWebApr 8, 2024 · 1. I am using Flutter SwitchListTile and SQFLite database to store boolean values as zero and one. My Goal: I want to save a Switch flag selection in the database. Issue: When I set the Switch flag on or off, I want to see the corresponding value zero or one (off and on) updated in the database. Currently, the database is showing a default ... comfort inn 3 riversWebOct 14, 2024 · import 'dart:async'; class A { Future getInt() { return Future.value(10); } } class B { checkValue() async { final val = await A().getInt(); print(val == 10 ? "yes" : "no"); } } You can find more on that … comfort inn 507 atlantic ave ocean city mdWebJun 4, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams dr who astrid