更新应用主题和颜色配置

app-android/app/src/main/java/com/huaga/life_echo/ui/theme/Color.kt

@@ -2,21 +2,23 @@ package com.huaga.life_echo.ui.theme
 
 import androidx.compose.ui.graphics.Color
 
-// New color scheme based on design
-val DeepPurple = Color(0xFF200028)
-val SlatePurple = Color(0xFF8C8EA3)
-val MediumPurple = Color(0xFFA177A6)
-val Lavender = Color(0xFFCEB0DA)
-val Blush = Color(0xFFDBBABA)
-val Cream = Color(0xFFFAF7F8)
+// 浅紫色配色方案 - 基于UI样例图
+val LightPurple = Color(0xFFB18FCE)  // 主要浅紫色，用于标题栏和强调元素
+val LightPurpleAlt = Color(0xFFC8A2C8)  // 替代浅紫色
+val DeepPurple = Color(0xFF6B4C93)  // 深紫色，用于标题和选中状态
+val LightPurpleBackground = Color(0xFFF5F0F8)  // 浅紫色背景
 val White = Color(0xFFFFFFFF)
+val LightGray = Color(0xFFE0E0E0)  // 浅灰色，用于未选中状态
+val DarkGray = Color(0xFF424242)  // 深灰色，用于主要文字
+val MediumGray = Color(0xFF9E9E9E)  // 中等灰色，用于辅助文字
+val LightGrayText = Color(0xFFBDBDBD)  // 浅灰色文字
 
 // For dark theme
-val Purple80 = Lavender
-val PurpleGrey80 = SlatePurple
-val Pink80 = Blush
+val Purple80 = LightPurple
+val PurpleGrey80 = MediumGray
+val Pink80 = LightPurpleAlt
 
 // For light theme
-val Purple40 = MediumPurple
-val PurpleGrey40 = SlatePurple
-val Pink40 = Blush
+val Purple40 = DeepPurple
+val PurpleGrey40 = MediumGray
+val Pink40 = LightPurple

app-android/app/src/main/java/com/huaga/life_echo/ui/theme/Theme.kt

@@ -9,53 +9,80 @@ import androidx.compose.material3.dynamicDarkColorScheme
 import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.unit.sp
+import com.huaga.life_echo.ui.settings.AppSettings
 
 private val DarkColorScheme = darkColorScheme(
-    primary = Lavender,
-    secondary = SlatePurple,
-    tertiary = Blush,
-    background = DeepPurple,
-    surface = DeepPurple,
-    onPrimary = DeepPurple,
+    primary = LightPurple,  // 保持浅紫色主色不变
+    secondary = LightPurpleAlt,
+    tertiary = LightPurple,
+    background = Color(0xFF000000),  // 黑色背景
+    surface = Color(0xFF000000),  // 黑色表面
+    onPrimary = White,
     onSecondary = White,
-    onTertiary = DeepPurple,
-    onBackground = White,
-    onSurface = White
+    onTertiary = White,
+    onBackground = White,  // 白色文字在黑色背景上
+    onSurface = White  // 白色文字在黑色表面上
 )
 
 private val LightColorScheme = lightColorScheme(
-    primary = MediumPurple,
-    secondary = SlatePurple,
-    tertiary = Blush,
-    background = Cream,
+    primary = LightPurple,  // 浅紫色作为主色
+    secondary = LightPurpleAlt,
+    tertiary = LightPurple,
+    background = White,  // 白色背景
     surface = White,
-    onPrimary = White,
-    onSecondary = DeepPurple,
-    onTertiary = DeepPurple,
-    onBackground = DeepPurple,
-    onSurface = DeepPurple
+    onPrimary = White,  // 白色文字在紫色背景上
+    onSecondary = White,
+    onTertiary = White,
+    onBackground = DarkGray,  // 深灰色文字在白色背景上
+    onSurface = DarkGray
 )
 
 @Composable
 fun LifeechoTheme(
-    darkTheme: Boolean = isSystemInDarkTheme(),
+    darkTheme: Boolean? = null, // 如果为null，则使用AppSettings中的值
     // Dynamic color is available on Android 12+
-    dynamicColor: Boolean = true,
+    dynamicColor: Boolean = false, // 禁用动态颜色以保持浅紫色主题
     content: @Composable () -> Unit
 ) {
+    // 使用AppSettings中的状态，这样当设置变化时会触发重组
+    val isDarkMode = darkTheme ?: AppSettings.rememberDarkMode()
+    val isLargeFont = AppSettings.rememberLargeFontMode()
+    
     val colorScheme = when {
       dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
         val context = LocalContext.current
-        if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        if (isDarkMode) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
       }
-      darkTheme -> DarkColorScheme
+      isDarkMode -> DarkColorScheme
       else -> LightColorScheme
     }
+    
+    // 根据大字模式调整字体大小
+    val adjustedTypography = if (isLargeFont) {
+        Typography.copy(
+            bodyLarge = Typography.bodyLarge.copy(fontSize = 18.sp),
+            bodyMedium = Typography.bodyMedium.copy(fontSize = 16.sp),
+            bodySmall = Typography.bodySmall.copy(fontSize = 14.sp),
+            titleLarge = Typography.titleLarge.copy(fontSize = 24.sp),
+            titleMedium = Typography.titleMedium.copy(fontSize = 20.sp),
+            titleSmall = Typography.titleSmall.copy(fontSize = 18.sp),
+            headlineLarge = Typography.headlineLarge.copy(fontSize = 32.sp),
+            headlineMedium = Typography.headlineMedium.copy(fontSize = 28.sp),
+            headlineSmall = Typography.headlineSmall.copy(fontSize = 24.sp)
+        )
+    } else {
+        Typography
+    }
 
     MaterialTheme(
       colorScheme = colorScheme,
-      typography = Typography,
+      typography = adjustedTypography,
       content = content
     )
 }