* convert MainActivity to Kotlin
* migrate to MaterialDrawer 8
* fix drawer styles
* revert removing BezelImageView and material_drawer_header override
* fix tests
* add lost comment back to material_drawer_header.xml
* add tools:parentTag to material_drawer_header.xml
* use when instead of if in MainActivity
* fix statusbar color over the drawer
* cleanup drawer item creation
* tint secondary drawer items as well
* remove unnecessary ids
* fix header text color in the light theme
* improve header text contrast
* Theme refactoring
* disable the automatic tinting of surfaces with elevation in dark mode
* make the media warning visible again with the dark theme
* fix nav bar on api 27+
* use correct color for all media warnings
* 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
* set minSdkVersion to 21
* use elevation instead of additional views for shadow
* clean up code occurrences
* remove drawable compat code
* remove no longer needed resources
* remove unneeded android:clipChildren="false"
* Revert "remove no longer needed resources"
This reverts commit 67a4d6f8d87b3f116b95d90dfb48f350d342f503.
* remove no longer needed resources (this time the right ones)
Adds a material shadow below tab layouts. This is not very noticeable in
the default theme, but in the light theme in visually demarcates where
the tab layout ends.
