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Disposing of observers and resources in Xamarin.Forms #45

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Wenfengcheng opened this issue Jun 14, 2019 · 0 comments

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tips/tricks Xamarin.Forms

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Wenfengcheng commented Jun 14, 2019

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

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Wenfengcheng added tips/tricks Xamarin.Forms labels

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