flutter complete a task after a delay code example

Example 1: flutter delay

Timer(Duration(seconds: 5), () {
  print(" This line is execute after 5 seconds");
});

Example 2: flutter delay a function

Future.delayed(const Duration(milliseconds: 500), () {

// Here you can write your code

  setState(() {
    // Here you can write your code for open new view
  });

});