Under python2.x and kivy:
1. Popup's content from another class(eg; BoxLayout or GridLayout) execute and display desired output
2. It didn't show the error: "Popup should have only one content"
Under python3.x and kivy:
1.Popup's Content from another class (eg; BoxLayout or GridLayout) throw the error " Popup should have only one content ",and display the content twice inside the popup
2.Popup's dismiss() function is not working if its called in another class.
I've posted the python and kv files before this conversation. Please execute the files and correct my errors!
Thanks in advance!!!