Create a room screen (UI)

[alfogrillo]

As a user I want to create a new chat with more than one person so that I can communicate with a group of people.

• I can write the room name, topic, members and security before I create the room

Designs

• Create a room
• Create a room + content

ACs

• The user can navigate to this screen from the previous screen (members selection)
• Selected members for the screen are carried over from the previous one
• Selected members can be deleted
  • There is no way to add back members (without going back to the previous screen)
• Members can scroll horizontally if they don't fit the screen
• The screen has fields to collect
  • Room name
  • Room avatar
  • Topic
  • Security level (defaults on private room)
• The only mandatory field that enables the creation of the room is the room name
• Room information persists if when going back to the "Add people" screen
  • All the information (room name, avatar, topic, security level) aren't lost if the users go back to the "Add people" screen
  • When needed information can (and should) be stored in the volatile memory
  • Room's information are always lost when:
    • The user finalizes successfully the creation of a room
    • The user goes back to the "start a chat" screen
    • The user dismisses the "start a chat" screen entirely
• Other functionalities should not be implemented here (the actual room creation, photo from camera roll etc)

Tasks

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1. Create a room screen (UI) vector-im/element-x-android#110
   T-Enhancement Team: Element X Feature +2
   
2. Create a room screen (UI) vector-im/element-x-ios#629
   T-Enhancement Team: Element X Feature +2