login page & side bar

i take this as sample application - https://github.com/fusetools/fuse-samples/tree/master/Samples/UIStructure/Navigation
i want to add login and register window on initial stage in this application…how can i do that ?
please give me some logic. how can i declare login page on edge navigator?
please help me.

The questions you’re asking are way too broad for us to provide any meaningful answer. Please take the Tutorial which will teach you how to do many things, including how to structure your app and implement navigation.