unregisterObserve static method

void unregisterObserve([
  1. ValueChanged<MethodCall>? callback
])

Unregister the observation callback with assets changes. 取消注册资源（图库）变化的监听回调

Implementation

static void unregisterObserve([ValueChanged<MethodCall>? callback]) {
  _pickerDelegate.unregisterObserve(callback);
}