Update Theme.kt in Jetcaster to make the app force dark (#1593)

Updating Jetcaster to only use dark color theme even when device isn't
in dark mode

Author: MagicalMeghan

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/theme/Theme.kt

@@ -17,17 +17,13 @@
 package com.example.jetcaster.ui.theme
 
 import android.os.Build
-import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
 import androidx.compose.material3.MaterialExpressiveTheme
 import androidx.compose.material3.MotionScheme
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.dynamicDarkColorScheme
-import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.Immutable
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import com.example.jetcaster.designsystem.theme.JetcasterShapes
 import com.example.jetcaster.designsystem.theme.JetcasterTypography
@@ -470,29 +466,15 @@ private val highContrastDarkColorScheme = darkColorScheme(
     surfaceContainerHighest = surfaceContainerHighestDarkHighContrast,
 )
 
-@Immutable
-data class ColorFamily(val color: Color, val onColor: Color, val colorContainer: Color, val onColorContainer: Color)
-
-val unspecified_scheme = ColorFamily(
-    Color.Unspecified, Color.Unspecified, Color.Unspecified, Color.Unspecified,
-)
-
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
-fun JetcasterTheme(
-    darkTheme: Boolean = isSystemInDarkTheme(),
-    // Dynamic color is available on Android 12+
-    dynamicColor: Boolean = false,
-    content: @Composable () -> Unit,
-) {
+fun JetcasterTheme(dynamicColor: Boolean = false, content: @Composable () -> Unit) {
     val colorScheme = when {
         dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
             val context = LocalContext.current
-            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+            dynamicDarkColorScheme(context)
         }
-
-        darkTheme -> darkScheme
-        else -> lightScheme
+        else -> darkScheme
     }
 
     MaterialExpressiveTheme(