error: Error parsing XML: not well-formed (invalid token) …?

Question

I am working on an application, with following XML. but whenI try to clean/build my project the following error occurs:

\"error: Error parsing XML: not well-formed (

Answer 1

I had this problem, and when I had android:text="< Go back" it had the correct syntax highlighting, but then I realized it's the < symbol that is messing everything up.