registerContentObserver method

void registerContentObserver(
  1. Uri uri,
  2. ContentObserverCallback callback
)

Implementation

void registerContentObserver(Uri uri, ContentObserverCallback callback) {
  log("callbacks uris ${_contentObserverCallbacks.keys}");
  if (!_contentObserverCallbacks.containsKey(uri.toString())) {
    _contentObserverCallbacks[uri.toString()] = [];
    invokeMethod(_REGISTER_CONTENT_OBSERVER, {"uri": uri.toString()});
  }
  _contentObserverCallbacks[uri.toString()]!.add(callback);
}