* refactor compose & announcements to coroutines
* fix code formatting
* add javadoc to InstanceInfoRepository
* fix comments in ImageDownsizer
* remove unused Either extensions
* add explicit return type for InstanceInfoRepository.getEmojis
* make ComposeViewModel.pickMedia return Result
* cleanup code in ImageDownsizer
* Convert ComposeActivity to Kotlin
* More ComposeActivity cleanups
* Move ComposeActivity to it's own package
* Remove ComposeActivity.IntentBuilder
* Re-do part of the media downsizing/uploading
* Add sending of status to ViewModel, draft media descriptions
* Allow uploading video, update description after uploading
* Enable camera, enable upload cancelling
* Cleanup of ComposeActivity
* Extract CaptionDialog, extract ComposeActivity methods
* Fix handling of redrafted media
* Add initial state and media uploading out of Activity
* Change ComposeOptions.mentionedUsernames to be Set rather than List
We probably don't want repeated usernames when we are writing a post
and Set provides such guarantee for free plus it tells it to the
callers. The only disadvantage is lack of order but it shouldn't be a
problem.
* Add combineOptionalLiveData. Add docs.
It it useful for nullable LiveData's. I think we cannot differentiate
between value not being set and value being null so I just added the
variant without null check.
* Add poll support to Compose.
* cleanup code
* move more classes into compose package
* cleanup code
* fix button behavior
* add error handling for media upload
* add caching for instance data again
* merge develop
* fix scheduled toots
* delete unused string
* cleanup ComposeActivity
* fix restoring media from drafts
* make media upload code a little bit clearer
* cleanup autocomplete search code
* avoid duplicate object creation in SavedTootActivity
* perf: avoid unnecessary work when initializing ComposeActivity
* add license header to new files
* use small toot button on bigger displays
* fix ComposeActivityTest
* fix bad merge
* use Singles.zip instead of Single.zip
* upgrade to AndroidX, upgrade libraries
* move to MaterialComponents theme
* make sure the compose button looks good everywhere
* fix tollbar title/button alignment on tablet
* move to new material color theming, consolidate colors and themes
* fix build, fix imports
* set error on TextInputLayout instead of EditText
* fix imports, TootButton when
* improve snackbar style
* fix task description color
* Query instance for toot character limit
Fixes#393
* Move maximumTootCharacters to instance field
* Add caching for maximum toot characters, expanding on the emoji list storage
* Update formatting per review feedback
* Fix compose activity tests
* Rename mastodon api point for nicer interaction with kotlin
* Default emoji list to empty list instead of null, to appease json converters in failure cases
* Use empty list helper
* Fix database migration