onbackpressed

[hemant2705]

Issue-currently after reaching the main activity screen, app is sending us back to login screen .while it should have exited the app.
solution - We will create one on back pressed function and assign the task to it.

please assign this issue to me .

[dheerajkotwani]

@hemant2705 you can work on this.

[priyanshu942]

Please assign me this issue under GSSOC'23.