（提案）ActivityのViewModelのライフサイクルを用いてCoroutineのJobを管理する

[magiepooh]

Issue

• 画面回転でjobがcancelされていたため
  • Twitter: https://twitter.com/magie_pooh/status/1085838122577874944

Overview (Required)

• ActivityのViewModelと同じライフサイクルを保持するScreenViewModelを作成
• ScreenViewModelのライフサイクルを提供するScreenLifecycleを作成
• ScreenLifecycleからJobを管理
• ActionCreatorで使っていたPageScopeのLifecycleをScreenLifecycleへ置き換え

Links

• ScreenScope: ref. https://speakerdeck.com/ogaclejapan/how-to-keep-data-between-orientation-changes

Screenshot

Before	After

[jmatsu-bot]

Your app is deployed! Try it via https://deploygate.com/distributions/eaf4c330bf9539ad4b73fc53edd28a20f693a045

[jmatsu-bot]

Apk comparision results

Property	Summary
New File Size	13948350 Bytes. (13.3 MB)
File Size Change	-16733 Bytes. (-16.34 KB)
Download Size Change	-14397 Bytes. (-14.06 KB)
New Method Reference Count	155251
Method Reference Count Change	-219
New Number of dex file(s)	4
Number of dex file(s) Change	0

Generated by :no_entry_sign: Danger

[jmatsu-bot]

	3 Errors
:no_entry_sign:	feature/session/src/main/java/io/github/droidkaigi/confsched2019/session/ui/actioncreator/SessionContentsActionCreator.kt#L3 - Unused import
:no_entry_sign:	feature/session/src/main/java/io/github/droidkaigi/confsched2019/session/ui/actioncreator/SessionPagesActionCreator.kt#L3 - Unused import
:no_entry_sign:	feature/staff/src/main/java/io/github/droidkaigi/confsched2019/staff/ui/actioncreator/StaffSearchActionCreator.kt#L3 - Unused import

Generated by :no_entry_sign: Danger