Render Problem with Android Studio 2021 2.1.15 (the style does not change in the emulator) I am learning to build an app with android studio and using Kotlin. I just started changing the style of the "TextView" element but the view in the emulator isn't changing. Here is the code of "activity_main.xml" : Here is the code of "values\themes.xml" @color/purple_500 @color/purple_700 @color/white @color/teal_200 @color/teal_700 @color/black ?attr/colorPrimaryVariant...