Implement Now in Android Material 3 theme

Bug: 216019424

Change-Id: I84dfa9bda4c4512d696bb2295e90bf013ab8933c

core-ui/src/main/java/com/google/samples/apps/nowinandroid/core/ui/theme/Color.kt

@@ -18,7 +18,64 @@ package com.google.samples.apps.nowinandroid.core.ui.theme
 
 import androidx.compose.ui.graphics.Color
 
-val Purple200 = Color(0xFFBB86FC)
-val Purple500 = Color(0xFF6200EE)
-val Purple700 = Color(0xFF3700B3)
-val Teal200 = Color(0xFF03DAC5)
+/**
+ * Now in Android colors.
+ */
+val Blue10 = Color(0xFF001F29)
+val Blue20 = Color(0xFF003544)
+val Blue30 = Color(0xFF004D61)
+val Blue40 = Color(0xFF006781)
+val Blue80 = Color(0xFF5DD4FB)
+val Blue90 = Color(0xFFB5EAFF)
+val DarkGreen10 = Color(0xFF0D1F12)
+val DarkGreen20 = Color(0xFF223526)
+val DarkGreen30 = Color(0xFF394B3C)
+val DarkGreen40 = Color(0xFF4F6352)
+val DarkGreen80 = Color(0xFFB7CCB8)
+val DarkGreen90 = Color(0xFFD3E8D3)
+val DarkGreenGray10 = Color(0xFF1A1C1A)
+val DarkGreenGray90 = Color(0xFFE2E3DE)
+val DarkGreenGray99 = Color(0xFFFBFDF7)
+val DarkPurpleGray10 = Color(0xFF201A1B)
+val DarkPurpleGray90 = Color(0xFFECDFE0)
+val DarkPurpleGray99 = Color(0xFFFCFCFC)
+val Green10 = Color(0xFF00210B)
+val Green20 = Color(0xFF003919)
+val Green30 = Color(0xFF005227)
+val Green40 = Color(0xFF006D36)
+val Green80 = Color(0xFF0EE37C)
+val Green90 = Color(0xFF5AFF9D)
+val GreenGray30 = Color(0xFF414941)
+val GreenGray50 = Color(0xFF727971)
+val GreenGray60 = Color(0xFF8B938A)
+val GreenGray80 = Color(0xFFC1C9BF)
+val GreenGray90 = Color(0xFFDDE5DB)
+val Orange10 = Color(0xFF390C00)
+val Orange20 = Color(0xFF5D1900)
+val Orange30 = Color(0xFF812800)
+val Orange40 = Color(0xFFA23F16)
+val Orange80 = Color(0xFFFFB599)
+val Orange90 = Color(0xFFFFDBCE)
+val Purple10 = Color(0xFF36003D)
+val Purple20 = Color(0xFF560A5E)
+val Purple30 = Color(0xFF702776)
+val Purple40 = Color(0xFF8C4190)
+val Purple80 = Color(0xFFFFA8FF)
+val Purple90 = Color(0xFFFFD5FC)
+val PurpleGray30 = Color(0xFF4E444C)
+val PurpleGray50 = Color(0xFF7F747C)
+val PurpleGray60 = Color(0xFF998D96)
+val PurpleGray80 = Color(0xFFD0C2CC)
+val PurpleGray90 = Color(0xFFEDDEE8)
+val Red10 = Color(0xFF410001)
+val Red20 = Color(0xFF680003)
+val Red30 = Color(0xFF930006)
+val Red40 = Color(0xFFBA1B1B)
+val Red80 = Color(0xFFFFB4A9)
+val Red90 = Color(0xFFFFDAD4)
+val Teal10 = Color(0xFF001F26)
+val Teal20 = Color(0xFF02363F)
+val Teal30 = Color(0xFF214D56)
+val Teal40 = Color(0xFF3A656F)
+val Teal80 = Color(0xFFA2CED9)
+val Teal90 = Color(0xFFBEEAF6)

core-ui/src/main/java/com/google/samples/apps/nowinandroid/core/ui/theme/Theme.kt

@@ -24,22 +24,141 @@ import androidx.compose.material3.dynamicDarkColorScheme
 import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 
-private val DarkColorScheme = darkColorScheme(
-    primary = Purple200,
-    secondary = Teal200
+/**
+ * Light default theme color scheme
+ */
+private val LightDefaultColorScheme = lightColorScheme(
+    primary = Purple40,
+    onPrimary = Color.White,
+    primaryContainer = Purple90,
+    onPrimaryContainer = Purple10,
+    secondary = Orange40,
+    onSecondary = Color.White,
+    secondaryContainer = Orange90,
+    onSecondaryContainer = Orange10,
+    tertiary = Blue40,
+    onTertiary = Color.White,
+    tertiaryContainer = Blue90,
+    onTertiaryContainer = Blue10,
+    error = Red40,
+    onError = Color.White,
+    errorContainer = Red90,
+    onErrorContainer = Red10,
+    background = DarkPurpleGray99,
+    onBackground = DarkPurpleGray10,
+    surface = DarkPurpleGray99,
+    onSurface = DarkPurpleGray10,
+    surfaceVariant = PurpleGray90,
+    onSurfaceVariant = PurpleGray30,
+    outline = PurpleGray50
+)
+
+/**
+ * Dark default theme color scheme
+ */
+private val DarkDefaultColorScheme = darkColorScheme(
+    primary = Purple80,
+    onPrimary = Purple20,
+    primaryContainer = Purple30,
+    onPrimaryContainer = Purple90,
+    secondary = Orange80,
+    onSecondary = Orange20,
+    secondaryContainer = Orange30,
+    onSecondaryContainer = Orange90,
+    tertiary = Blue80,
+    onTertiary = Blue20,
+    tertiaryContainer = Blue30,
+    onTertiaryContainer = Blue90,
+    error = Red80,
+    onError = Red20,
+    errorContainer = Red30,
+    onErrorContainer = Red90,
+    background = DarkPurpleGray10,
+    onBackground = DarkPurpleGray90,
+    surface = DarkPurpleGray10,
+    onSurface = DarkPurpleGray90,
+    surfaceVariant = PurpleGray30,
+    onSurfaceVariant = PurpleGray80,
+    outline = PurpleGray60
+)
+
+/**
+ * Light Android theme color scheme
+ */
+private val LightAndroidColorScheme = lightColorScheme(
+    primary = Green40,
+    onPrimary = Color.White,
+    primaryContainer = Green90,
+    onPrimaryContainer = Green10,
+    secondary = DarkGreen40,
+    onSecondary = Color.White,
+    secondaryContainer = DarkGreen90,
+    onSecondaryContainer = DarkGreen10,
+    tertiary = Teal40,
+    onTertiary = Color.White,
+    tertiaryContainer = Teal90,
+    onTertiaryContainer = Teal10,
+    error = Red40,
+    onError = Color.White,
+    errorContainer = Red90,
+    onErrorContainer = Red10,
+    background = DarkGreenGray99,
+    onBackground = DarkGreenGray10,
+    surface = DarkGreenGray99,
+    onSurface = DarkGreenGray10,
+    surfaceVariant = GreenGray90,
+    onSurfaceVariant = GreenGray30,
+    outline = GreenGray50
 )
 
-private val LightColorScheme = lightColorScheme(
-    primary = Purple500,
-    secondary = Teal200
+/**
+ * Dark Android theme color scheme
+ */
+private val DarkAndroidColorScheme = darkColorScheme(
+    primary = Green80,
+    onPrimary = Green20,
+    primaryContainer = Green30,
+    onPrimaryContainer = Green90,
+    secondary = DarkGreen80,
+    onSecondary = DarkGreen20,
+    secondaryContainer = DarkGreen30,
+    onSecondaryContainer = DarkGreen90,
+    tertiary = Teal80,
+    onTertiary = Teal20,
+    tertiaryContainer = Teal30,
+    onTertiaryContainer = Teal90,
+    error = Red80,
+    onError = Red20,
+    errorContainer = Red30,
+    onErrorContainer = Red90,
+    background = DarkGreenGray10,
+    onBackground = DarkGreenGray90,
+    surface = DarkGreenGray10,
+    onSurface = DarkGreenGray90,
+    surfaceVariant = GreenGray30,
+    onSurfaceVariant = GreenGray80,
+    outline = GreenGray60
 )
 
+/**
+ * Now in Android theme.
+ *
+ * The order of precedence for the color scheme is: Dynamic color > Android theme > Default theme.
+ * Dark theme is independent as all the aforementioned color schemes have light and dark versions.
+ * The default theme color scheme is used by default.
+ *
+ * @param darkTheme Whether the theme should use a dark color scheme (follows system by default).
+ * @param dynamicColor Whether the theme should use a dynamic color scheme (Android 12+ only).
+ * @param androidTheme Whether the theme should use the Android theme color scheme.
+ */
 @Composable
 fun NiaTheme(
     darkTheme: Boolean = isSystemInDarkTheme(),
-    dynamicColor: Boolean = true,
+    dynamicColor: Boolean = false,
+    androidTheme: Boolean = false,
     content: @Composable() () -> Unit
 ) {
     val colorScheme = when {
@@ -47,10 +166,11 @@ fun NiaTheme(
             val context = LocalContext.current
             if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
         }
-        darkTheme -> DarkColorScheme
-        else -> LightColorScheme
+        androidTheme && darkTheme -> DarkAndroidColorScheme
+        androidTheme -> LightAndroidColorScheme
+        darkTheme -> DarkDefaultColorScheme
+        else -> LightDefaultColorScheme
     }
-
     MaterialTheme(
         colorScheme = colorScheme,
         typography = NiaTypography,

core-ui/src/main/java/com/google/samples/apps/nowinandroid/core/ui/theme/Type.kt

@@ -17,5 +17,99 @@
 package com.google.samples.apps.nowinandroid.core.ui.theme
 
 import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
 
-val NiaTypography = Typography()
+/**
+ * Now in Android typography.
+ *
+ * TODO: Add custom font
+ */
+val NiaTypography = Typography(
+    displayLarge = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 57.sp,
+        lineHeight = 64.sp,
+        letterSpacing = (-0.25).sp
+    ),
+    displayMedium = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 45.sp,
+        lineHeight = 52.sp
+    ),
+    displaySmall = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 36.sp,
+        lineHeight = 44.sp
+    ),
+    headlineLarge = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 32.sp,
+        lineHeight = 40.sp
+    ),
+    headlineMedium = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 28.sp,
+        lineHeight = 36.sp
+    ),
+    headlineSmall = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 24.sp,
+        lineHeight = 32.sp
+    ),
+    titleLarge = TextStyle(
+        fontWeight = FontWeight.W700,
+        fontSize = 22.sp,
+        lineHeight = 28.sp
+    ),
+    titleMedium = TextStyle(
+        fontWeight = FontWeight.W700,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.1.sp
+    ),
+    titleSmall = TextStyle(
+        fontWeight = FontWeight.W500,
+        fontSize = 14.sp,
+        lineHeight = 20.sp,
+        letterSpacing = 0.1.sp
+    ),
+    bodyLarge = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    ),
+    bodyMedium = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 14.sp,
+        lineHeight = 20.sp,
+        letterSpacing = 0.25.sp
+    ),
+    bodySmall = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 12.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.4.sp
+    ),
+    labelLarge = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 14.sp,
+        lineHeight = 20.sp,
+        letterSpacing = 0.1.sp
+    ),
+    labelMedium = TextStyle(
+        fontWeight = FontWeight.W400,
+        fontSize = 12.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Monospace,
+        fontWeight = FontWeight.W500,
+        fontSize = 10.sp,
+        lineHeight = 16.sp
+    )
+)