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BOOK: Beginning Android Programming with Android Studio, Fourth Edition
This is the forum to discuss the Wrox book Beginning Android Programming with Android Studio, Fourth Edition by Jerome F. DiMarzio; ISBN: 978-1-118-70559-9
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Old December 2nd, 2017, 04:51 AM
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Question Chapter 3: Dialog Window Code not working

I refer to the code example in the book, where the following line shows in red: The DialogActivity example includes the line:

Toolbar toolbar = (Toolbar)findViewById(R.id.toolbar);
This line shows the toolbar identifier in red, because it is not recognized. All searches I have done have a simple restart or clean and rebuild as the solution, but not for my instance of this problem. I have tried about 4 suggested remedies already with no solution.

I only have about 1 month Java and Android studio experience, so please forgive me if this is a stupid or often asked question.

I suspect I need to add a reference to something in the project; that normally solves unknown identifiers, but I have no idea where or how, or even what they're really called, to find these references.

Last edited by brady@bradykelly.net; December 2nd, 2017 at 04:55 AM.
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