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Android Build a Simple Android App Basic Android Programming Accessing Views in Code: Assigning Variables

mariko muranishi
mariko muranishi
860 Points
Posted by mariko muranishi
mariko muranishi
860 Points

what is the ID?

I think I understand what the ID is by intuition, but I don't understand what the ID is more. please explain it more concretely.

1 Answer

Evgeniia Vakarina
Evgeniia Vakarina
3,317 Points
Evgeniia Vakarina
Evgeniia Vakarina
3,317 Points

ID is used in XMLs so you can access your views in java files. This all is done by the magic of R - the class that is built automatically by Android Studio and that registers all the resources (stuff in res folder) you want to access from a java class. E.g. if you need to access a picture you can put it in drawable folder and then access it from an activity by R.drawable.[file_name], by the same logic you access the views from XML - R.layout.[id]