upon0426

Position of animation for achieve rally is weird.

10

**Describe the bug** Position of animation for achieve rally is weird. **Expected behavior** Please make sure the component shows up in the center. **Screenshots** 

**Describe the bug** The color of status bar is acting up. **To Reproduce** Try achieve rally feature **Expected behavior** The color should be black. **Screenshots** 

参考：https://chris.banes.me/posts/slotting-in-with-compose-ui/ 議事録：https://docs.google.com/document/d/1ubIgbJri12nxVcyBMuOR0qyNgbrdi6vqAp0Xvnvg_Zw/edit#bookmark=id.egny3h61hz2x - [x] Make a contributors module - [ ] Make an example about 'Slot' API pattern in codebase - [ ] Write down a description about 'Slot' API...