Flutter FutureBuilder kullanımı

Future<String> is of type Future hence you need to resolve the future, You can either await before printing or use . then() to resolve the Future.

A future (lower case “f”) is an instance of the Future (capitalized “F”) class. A future represents the result of an asynchronous operation , and can have two states: uncompleted or completed. Note: Uncompleted is a Dart term referring to the state of a future before it has produced a value.

For example, if a function returns Future<String> , this means that in the future, it will provide a string to you . For the sake of practicing, we can use one of the Future constructors to create our own Future object. The following code creates an instance of Future<String> which will complete immediately.

A Future class allows you to run work asynchronously to free up any other threads that should not be blocked . … Like the UI thread.30 Eyl 2020