increment method

@override void increment(String name, int value)

Increments counter by given value.

• name a counter name of Increment type.
• value a value to add to the counter.

Implementation

@override
void increment(String name, int value) {
  var counter = get(name, CounterType.Increment);
  counter.count = counter.count != null ? counter.count! + value : value;
  _update();
}