Focus on title when the editor loads

[koke]

When gutenberg is opened in the apps, make the title focused. On iOS, there is no focus. On Android, the title has focus but the keyboard isn't up until you tap.

I think this was done initially for the previous demo, but it was disabled since it caused some layout issues with the toolbar on iOS

[hypest]

On Android, the title has focus but the keyboard isn't up until you tap.

I'm under the impression that that was by design and started before gutenberg-mobile. I'll try to find the relevant info. EDIT: My search didn't surface something. I had this impression that we've been focusing and bringing the keyboard up automatically in the past but, we moved away into just letting the user decide which part of the post (title or content) to focus after entering the post editing screen.

[etoledom]

[iOS]:
Closed via #373 and wordpress-mobile/WordPress-iOS#10654

[etoledom]

Reopening to get updates on Android side.
cc @hypest

[marecar3]

From @koke comment

sounds good. I think we’ll want to standardize that across platforms during the beta, but for now, following Aztec is ok

iOS Aztec -> will focus title when new post or old post is opened
Android Aztec -> won't focus anything when new post or old post is opened

cc: @etoledom @hypest

[marecar3]

Final conslusion from @hypest's chat message :

@iamthomasbishop’s feedback is actually the latest one as he’s already taking into account Eli’s feedback:
• (Previously mentioned by @elibud ) Title should be focused right away when new post is created. (iOS)
• when an existing post is loaded, we should assume no block focus and keyboard should be hidden (iOS, Android)

to me that reads: focus the title on enter but only for new posts

@etoledom

[mzorz]

Closing via #8826