Android Studio #2 - Create a Button quickly

I showcase how to set up a simple button, and how to trigger a method when we click on our button.
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[@michaelodemena2214]

ok re-watched the first video seems that I have to call each element in the main activity

[@michaelodemena2214]

hi just for reference i updated my system to bumblebee it seems that when i try to call the text view in the main activity i get a red underline under the second textview any idea why that is happening

[@raviel498]

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