I have been trying to get into this android hardware development and like many I have been suffering from the
R cannot be resolved to a variable

After finding no luck with the solutions on the web I started pooking around the web.
In the end I found it was the following that caused the issue

All I did was delete
android:theme=”@android:style/Theme.Holo”

Run Project>Clean followed by refresh and that got rid of the R cannot be resolved to a variable issue.
Now I just need to solve the
The import android.text.SpannableStringBuilder is never used
Issue’s.

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