Timer factory constructor
Timer(Creates a new timer.
The callback
function is invoked after the given duration
.
Source
factory Timer(Duration duration, void callback()) { if (Zone.current == Zone.ROOT) { // No need to bind the callback. We know that the root's timer will // be invoked in the root zone. return Zone.current.createTimer(duration, callback); } return Zone.current.createTimer( duration, Zone.current.bindCallback(callback, runGuarded: true)); }
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https://api.dartlang.org/stable/1.24.3/dart-async/Timer/Timer.html