text: # will_pop_scope_demo
  
  检测页面是否被弹出的demo。
  收录于MTechViral的youtube视频https://www.youtube.com/watch?v=fYBCzgBRkb4&list=PLR2qQy0Zxs_Wot7YfLeeKdMlJ9838C_w0&index=2
  
  ## 样例
  ![](../../../image/will_pop.png)
  ![](../../../image/will_pop_form.png)
  
  ## Getting Started
  
  For help getting started with Flutter, view our online
  [documentation](https://flutter.io/).
  