prompt error when nickname and/or phone number is empty
(and its better to have a 'submit' button for user to officially join the event after entering the nickname and phone number?)
Actual behavior
allow user to leave nickname or phone number empty
Steps to reproduce
event
enter an event e.g. usthing lucky draw
click join
leave nickname and phone number blank
click back
Environment
App Version: v4.0.2dev
Phone Model:Sony Xperia Tablet
OS Version:android 6.0.1
OS Language:chinese
Expected behavior
prompt error when nickname and/or phone number is empty (and its better to have a 'submit' button for user to officially join the event after entering the nickname and phone number?)
Actual behavior
allow user to leave nickname or phone number empty
Steps to reproduce
Environment
App Version: v4.0.2dev Phone Model:Sony Xperia Tablet OS Version:android 6.0.1 OS Language:chinese