I have 4 checkboxes... The user can click on three of them (any). The last fourth should become disabled. What to write in MainActivity.java?

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Konstantin_Pak_Swinburne2019-10-03 14:05:25

Android

Konstantin_Pak_Swinburne, 2019-10-03 14:05:25

I have 4 checkboxes... The user can click on three of them (any). The last fourth should become disabled. What to write in MainActivity.java?

In short, I have 4 checkboxes as shown in the picture below.

The task is this: to make it possible to check only three of them, any. The last fourth should become disabled. We work in Android Studio. In XML, everything is clear with the UI, IDs checkbox_lettuce, checkbox_tomato, checkbox_pickle, checkbox-onion. Question: What to register in MainActivity.java?

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