Disposing of observers and resources in Xamarin.Forms

Wenfengcheng / xamarin-notes

xamarin journal

MIT License

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Open Wenfengcheng opened 5 years ago

Wenfengcheng commented 5 years ago

OnElementChanged is called twice - when control is created and then when disposed.

if(e.NewElement != null)
      addobserver and do other stuff
if(e.oldElement!=null)
       remove observer and destroy everything you allocated