
Based on issue #144903, this PR aims to bring the codebase more in line with the [Flutter repo style guide](https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#avoid-using-if-chains-or--or--with-enum-values): > #### Avoid using `if` chains or `?:` or `==` with enum values <br> This change unfortunately increases the total line length, but it also improves readability.
Flutter gallery
An older copy of the Flutter gallery demo application used for integration testing.
For the current Flutter Gallery app sample, see this repo: https://github.com/flutter/gallery
Icon
Android launcher icons were generated using Android Asset Studio: https://romannurik.github.io/AndroidAssetStudio/icons-launcher.html#foreground.type=image&foreground.space.trim=1&foreground.space.pad=0.1&foreColor=607d8b%2C0&crop=0&backgroundShape=square&backColor=fafafa%2C100&effects=none