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Editorial Team
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Asked: 2026-06-11T18:50:22+00:00

FYI Views in Android cannot be shared, this is a debatable sdk design decision,

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FYI Views in Android cannot be shared, this is a debatable sdk design decision, but thats the way it is. Each view can have at most one parent view. However in order for a layout to serve as a view template, a common view_layout.xml file can be reused (ie inflated several times). What are the implications for the viewid and the id of elements within the view such as buttons.

  • Should these not be defined inside the view_layout.xml? (eg so that there are not for example two buttons with the same id albeit in different view instances).
  • what about the instance id of the view itself?
  • How are these views to be uniquely defined given the common view_layout.xml file?
  • Of course you can have separate references to the views inflated but what about the id of the view itself and the widgets inside it?
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  1. Editorial Team

    I’m not sure what exactly you are trying to address here, but Views in a layout should never clash if you designed your layouts properly. View Ids apply only to the direct parent ViewGroup. Suppose you have ViewGroup A and it is your top level ViewGroup. You then inflate two instances of ViewGroup B and add then to A, their respective Ids will not clash as they have no reference of eachother. Their scopes are completely different.

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