When the memory kill on the time table screen, nothing is displayed on the screen.

[matsudamper]

Overview (Required)

• When the memory kill on the time table screen, nothing is displayed on the screen.

Steps To Reproduce

1. launch app
2. show time table screen
3. close app
4. Start up many other applications or use the memory release application.
5. open app

Expected behavior Timetable is displayed

Env:

• Device: [e.g. Pixel3]
• OS: [e.g. 9.0]
• App Version or the branch [master]

Additional context