Theme.kt

// Copyright 2022 Google LLC.	
// SPDX-License-Identifier: Apache-2.0

private val LightColors = lightColorScheme(
    primary = md_theme_light_primary,
    // …
)

private val DarkColors = darkColorScheme(
    primary = md_theme_dark_primary,
    // …
)

@Composable
fun JetsurveyTheme(
    useDarkTheme: Boolean = isSystemInDarkTheme(),
    content: @Composable () -> Unit
) {
    val colors = if (!useDarkTheme) {
        LightColors
    } else {
        DarkColors
    }
    // …
    MaterialTheme(
        colorScheme = colors,
        shapes = Shapes,
        typography = Typography,
        content = content,
    )
}