getting error Error:res/menu/mainMenu.xml:invalid file name:must contain only[a-z0-9_.]

Question

I am new to android and just started it. I created a file in res folder, menu/mainMenu.xml. But i got the error

Error: res/menu/mainMenu.xml: invalid file name:         


        

Answer 1

it should be mainmenu.xml ,no capital letter is allowed in naming of xml files.

  File name must contain only lowercase a-z, 0-9, or _.

• only a-z,mind that not capital...and white-space not allowed

• name must start with a character.not with a Number(0-9)

• name only _ symbol allowed.no other symbol alowed.