UnsupportedOperationException after updating to 9.0.0

[Nohus]

Updating the library from version 8.4.5 to 9.0.0 results in the following crash on startup:

java.lang.UnsupportedOperationException: Failed to resolve attribute at index 7: TypedValue{t=0x2/d=0x7f040146 a=7}, theme={InheritanceMap=[id=0x7f15000bmy.app.debug:style/AppTheme, id=0x7f1502a6my.app.debug:style/Theme.MaterialComponents.DayNight.NoActionBar, id=0x7f1502bfmy.app.debug:style/Theme.MaterialComponents.Light.NoActionBar, id=0x7f1502b1my.app.debug:style/Theme.MaterialComponents.Light, id=0x7f15006fmy.app.debug:style/Base.Theme.MaterialComponents.Light, id=0x7f1500a8my.app.debug:style/Base.V21.Theme.MaterialComponents.Light, id=0x7f150096my.app.debug:style/Base.V14.Theme.MaterialComponents.Light, id=0x7f150097my.app.debug:style/Base.V14.Theme.MaterialComponents.Light.Bridge, id=0x7f150162my.app.debug:style/Platform.MaterialComponents.Light, id=0x7f150268my.app.debug:style/Theme.AppCompat.Light, id=0x7f150053my.app.debug:style/Base.Theme.AppCompat.Light, id=0x7f1500bamy.app.debug:style/Base.V28.Theme.AppCompat.Light, id=0x7f1500b7my.app.debug:style/Base.V26.Theme.AppCompat.Light, id=0x7f1500b1my.app.debug:style/Base.V23.Theme.AppCompat.Light, id=0x7f1500afmy.app.debug:style/Base.V22.Theme.AppCompat.Light, id=0x7f1500a4my.app.debug:style/Base.V21.Theme.AppCompat.Light, id=0x7f1500bdmy.app.debug:style/Base.V7.Theme.AppCompat.Light, id=0x7f15015fmy.app.debug:style/Platform.AppCompat.Light, id=0x7f15016amy.app.debug:style/Platform.V25.AppCompat.Light, id=0x1030241android:style/Theme.Material.Light.NoActionBar, id=0x1030237android:style/Theme.Material.Light, id=0x103000candroid:style/Theme.Light, id=0x1030005android:style/Theme], Themes=[my.app.debug:style/AppTheme, forced, my.app.debug:style/Theme.AppCompat.Empty, forced, android:style/Theme.DeviceDefault.Light.DarkActionBar, forced]}
at android.content.res.TypedArray.getColor(TypedArray.java:529)
at com.mikepenz.materialdrawer.util.UtilsKt$getSelectedColor$color$1.invoke(Utils.kt:59)
at com.mikepenz.materialdrawer.util.UtilsKt$getSelectedColor$color$1.invoke(Utils.kt:58)
at com.mikepenz.materialdrawer.util.UtilsKt.resolveStyledValue(Utils.kt:90)
at com.mikepenz.materialdrawer.util.UtilsKt.resolveStyledValue$default(Utils.kt:83)

Happy to provide more info as needed. I assume I'm missing some breaking change, but I haven't seen any migration steps in the release notes.

[connyduck]

This sounds like you don't use a Material3 theme for your Activity https://github.com/mikepenz/MaterialDrawer?tab=readme-ov-file#note

[Nohus]

Thanks, that indeed fixes it, would be useful to have it in https://github.com/mikepenz/MaterialDrawer/blob/develop/MIGRATION.md

However, switching to the Material3 theme completely redesigns the look of my app, so it's not a valid solution. Are apps not using Material3 no longer supported?

[mikepenz]

The readme notes that v9 requires material 3:

Using v9.x with Material 3 theming requires a Material3 theme as base for the activity.

There are no more updates planned for legacy material. For that you'd have to stay on 8.x