setAnchor method

void setAnchor(
  1. String? key,
  2. GlobalKey<State<StatefulWidget>> value, {
  3. bool override = true,
})

设置锚点

Implementation

void setAnchor(String? key, GlobalKey value, {bool override = true}) {
  if (key != null) {
    String $key = _getKey(key);
    if (override) {
      _anchorMap[$key] = value;
    } else {
      if (_anchorMap.containsKey($key) == false) {
        _anchorMap[$key] = value;
      }
    }
  }
}