public override void OnDestroy()
{
base.OnDestroy();
instance = null;
background = null;
progressText = null;
isCreate = false;
}
/// <summary>
/// 本UI设计单例，便于访问操作等
/// </summary>
/// <returns></returns>
public static UICopyingAssetHelper Instance()
{
if (null == instance)
{
instance = new UICopyingAssetHelper();
}
return(instance);
}