Dear Mr. Ed Burnette, I am new in programing and followed your book from page 31 to 51, First, I typed the codes, it had many errors when run it, it could be typing errors,. Then I started over by copying all the codes in the files (downloaded) listed in your book, when run the app, it shows the following error : Error:The processing instruction target matching “[xX][mM][lL]” is not allowed
This error is related to the file AndroidStudioProject\TicTacToe\app\src\main\res\values\styles.xml.
I really appreciate if you can help me to resolve this issue. Thanks.