feat(settings): 添加外观与个性化设置

里面有动态配色和主题样式两个设置的实现
后续还有待优化 SharedPreferences 的读写方式

app/src/main/kotlin/cn/super12138/todo/TodoApp.kt

@@ -1,6 +1,8 @@
 package cn.super12138.todo
 
+import android.annotation.SuppressLint
 import android.app.Application
+import android.content.Context
 import cn.super12138.todo.logic.database.TodoDatabase
 import cn.super12138.todo.ui.pages.crash.CrashHandler
 
@@ -8,6 +10,8 @@ class TodoApp : Application() {
     private val database by lazy { TodoDatabase.getDatabase(this) }
 
     companion object {
+        @SuppressLint("StaticFieldLeak")
+        lateinit var context: Context
         lateinit var db: TodoDatabase
     }
 
@@ -15,6 +19,7 @@ class TodoApp : Application() {
         super.onCreate()
 
         db = database
+        context = applicationContext
 
         val crashHandler = CrashHandler(applicationContext)
         Thread.setDefaultUncaughtExceptionHandler(crashHandler)

app/src/main/kotlin/cn/super12138/todo/constants/Constants.kt

@@ -0,0 +1,11 @@
+package cn.super12138.todo.constants
+
+object Constants {
+    const val SP_NAME = "cn.super12138.todo_preferences"
+
+    const val PREF_DYNAMIC_COLOR = "dynamic_color"
+    const val PREF_DYNAMIC_COLOR_DEFAULT = true
+
+    const val PREF_PALETTE_STYLE = "palette_style"
+    const val PREF_PALETTE_STYLE_DEFAULT = 1 // TonalSpot
+}

app/src/main/kotlin/cn/super12138/todo/constants/GlobalValues.kt

@@ -0,0 +1,14 @@
+package cn.super12138.todo.constants
+
+import cn.super12138.todo.utils.SPDelegates
+
+object GlobalValues {
+    var dynamicColor: Boolean by SPDelegates(
+        Constants.PREF_DYNAMIC_COLOR,
+        Constants.PREF_DYNAMIC_COLOR_DEFAULT
+    )
+    var paletteStyle: Int by SPDelegates(
+        Constants.PREF_PALETTE_STYLE,
+        Constants.PREF_PALETTE_STYLE_DEFAULT
+    )
+}

app/src/main/kotlin/cn/super12138/todo/ui/navigation/TodoNavigation.kt

@@ -10,6 +10,7 @@ import cn.super12138.todo.ui.pages.editor.TodoEditorPage
 import cn.super12138.todo.ui.pages.main.MainPage
 import cn.super12138.todo.ui.pages.settings.SettingsAbout
 import cn.super12138.todo.ui.pages.settings.SettingsAboutLicence
+import cn.super12138.todo.ui.pages.settings.SettingsAppearance
 import cn.super12138.todo.ui.pages.settings.SettingsMain
 import cn.super12138.todo.ui.theme.materialSharedAxisXIn
 import cn.super12138.todo.ui.theme.materialSharedAxisXOut
@@ -82,10 +83,17 @@ fun TodoNavigation(
         composable(TodoScreen.SettingsMain.name) {
             SettingsMain(
                 onNavigateUp = { navController.navigateUp() },
+                toAppearancePage = { navController.navigate(TodoScreen.SettingsAppearance.name) },
                 toAboutPage = { navController.navigate(TodoScreen.SettingsAbout.name) }
             )
         }
 
+        composable(TodoScreen.SettingsAppearance.name) {
+            SettingsAppearance(
+                onNavigateUp = { navController.navigateUp() }
+            )
+        }
+
         composable(TodoScreen.SettingsAbout.name) {
             SettingsAbout(
                 onNavigateUp = { navController.navigateUp() },

app/src/main/kotlin/cn/super12138/todo/ui/navigation/TodoScreen.kt

@@ -4,6 +4,7 @@ enum class TodoScreen {
     Main,
     TodoEditor,
     SettingsMain,
+    SettingsAppearance,
     SettingsAbout,
     SettingsAboutLicence
 }

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/SettingsAbout.kt

@@ -14,7 +14,7 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import cn.super12138.todo.R
 import cn.super12138.todo.ui.components.LargeTopAppBarScaffold
-import cn.super12138.todo.ui.pages.settings.components.DefaultSettingsItem
+import cn.super12138.todo.ui.pages.settings.components.SettingsItem
 import cn.super12138.todo.utils.getAppVersion
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -29,8 +29,7 @@ fun SettingsAbout(
         title = stringResource(R.string.pref_about),
         onBack = onNavigateUp,
         scrollBehavior = scrollBehavior,
-        modifier = modifier
+        modifier = modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
-            .nestedScroll(scrollBehavior.nestedScrollConnection),
     ) { innerPadding ->
         val context = LocalContext.current
         Column(
@@ -39,17 +38,17 @@ fun SettingsAbout(
                 .padding(innerPadding)
                 .verticalScroll(rememberScrollState())
         ) {
-            DefaultSettingsItem(
+            SettingsItem(
                 title = stringResource(R.string.pref_app_version),
                 description = getAppVersion(context),
                 enableClick = false
             )
-            DefaultSettingsItem(
+            SettingsItem(
                 title = stringResource(R.string.pref_developer),
                 description = stringResource(R.string.developer_name),
                 enableClick = false
             )
-            DefaultSettingsItem(
+            SettingsItem(
                 title = stringResource(R.string.pref_licence),
                 description = stringResource(R.string.pref_licence_desc),
                 onClick = toLicencePage

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/SettingsAppearance.kt

@@ -0,0 +1,55 @@
+package cn.super12138.todo.ui.pages.settings
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ColorLens
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.res.stringResource
+import cn.super12138.todo.R
+import cn.super12138.todo.constants.Constants
+import cn.super12138.todo.ui.components.LargeTopAppBarScaffold
+import cn.super12138.todo.ui.pages.settings.components.SwitchSettingsItem
+import cn.super12138.todo.ui.pages.settings.components.palette.PalettePicker
+import cn.super12138.todo.ui.theme.appPaletteStyle
+import cn.super12138.todo.ui.theme.isDynamicColorEnable
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SettingsAppearance(
+    onNavigateUp: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior()
+    LargeTopAppBarScaffold(
+        title = stringResource(R.string.pref_appearance),
+        onBack = onNavigateUp,
+        scrollBehavior = scrollBehavior,
+        modifier = modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
+    ) { innerPadding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(innerPadding)
+                .verticalScroll(rememberScrollState())
+        ) {
+            SwitchSettingsItem(
+                key = Constants.PREF_DYNAMIC_COLOR,
+                default = Constants.PREF_DYNAMIC_COLOR_DEFAULT,
+                leadingIcon = Icons.Outlined.ColorLens,
+                title = stringResource(R.string.pref_appearance_dynamic_color),
+                description = stringResource(R.string.pref_appearance_dynamic_color_desc),
+                onCheckedChange = { isDynamicColorEnable = it },
+            )
+
+            PalettePicker(onPaletteChange = { appPaletteStyle = it })
+        }
+    }
+}

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/SettingsMain.kt

@@ -6,6 +6,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ColorLens
 import androidx.compose.material.icons.outlined.Info
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.TopAppBarDefaults
@@ -14,12 +15,13 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import cn.super12138.todo.R
 import cn.super12138.todo.ui.components.LargeTopAppBarScaffold
-import cn.super12138.todo.ui.pages.settings.components.DefaultSettingsItem
+import cn.super12138.todo.ui.pages.settings.components.SettingsItem
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun SettingsMain(
     onNavigateUp: () -> Unit,
+    toAppearancePage: () -> Unit,
     toAboutPage: () -> Unit,
     modifier: Modifier = Modifier
 ) {
@@ -35,7 +37,13 @@ fun SettingsMain(
                 .padding(innerPadding)
                 .verticalScroll(rememberScrollState())
         ) {
-            DefaultSettingsItem(
+            SettingsItem(
+                leadingIcon = Icons.Outlined.ColorLens,
+                title = stringResource(R.string.pref_appearance),
+                description = stringResource(R.string.pref_appearance_desc),
+                onClick = toAppearancePage
+            )
+            SettingsItem(
                 leadingIcon = Icons.Outlined.Info,
                 title = stringResource(R.string.pref_about),
                 description = stringResource(R.string.pref_about_desc),

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/components/SettingsItem.kt

@@ -20,7 +20,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 
 @Composable
-fun DefaultSettingsItem(
+fun SettingsItem(
     leadingIcon: ImageVector? = null,
     title: String,
     description: String? = null,
@@ -28,7 +28,7 @@ fun DefaultSettingsItem(
     onClick: () -> Unit = {},
     modifier: Modifier = Modifier
 ) {
-    DefaultSettingsItem(
+    SettingsItem(
         leadingIcon = leadingIcon,
         title = title,
         description = description,
@@ -40,7 +40,7 @@ fun DefaultSettingsItem(
 }
 
 @Composable
-fun DefaultSettingsItem(
+fun SettingsItem(
     leadingIcon: ImageVector? = null,
     title: String,
     description: String? = null,
@@ -49,7 +49,7 @@ fun DefaultSettingsItem(
     onClick: () -> Unit = {},
     modifier: Modifier = Modifier
 ) {
-    DefaultSettingsItem(
+    SettingsItem(
         leadingIcon = {
             leadingIcon?.let {
                 Icon(
@@ -70,7 +70,7 @@ fun DefaultSettingsItem(
 }
 
 @Composable
-fun DefaultSettingsItem(
+fun SettingsItem(
     leadingIcon: (@Composable () -> Unit)? = null,
     title: String,
     description: String? = null,

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/components/SwitchSettingsItem.kt

@@ -2,31 +2,40 @@ package cn.super12138.todo.ui.pages.settings.components
 
 import androidx.compose.material3.Switch
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
+import cn.super12138.todo.ui.pages.settings.state.rememberPrefBooleanState
 
 @Composable
 fun SwitchSettingsItem(
+    key: String,
+    default: Boolean,
     leadingIcon: ImageVector? = null,
     title: String,
     description: String? = null,
-    checked: Boolean,
     onCheckedChange: (Boolean) -> Unit,
-    onClick: () -> Unit = {},
     modifier: Modifier = Modifier
 ) {
-    DefaultSettingsItem(
+    var switchState by rememberPrefBooleanState(key, default)
+    SettingsItem(
         leadingIcon = leadingIcon,
         title = title,
         description = description,
         trailingContent = {
             Switch(
-                checked = checked,
+                checked = switchState,
-                onCheckedChange = onCheckedChange,
+                onCheckedChange = {
-                modifier = modifier,
+                    switchState = it
+                    onCheckedChange(it)
+                }
             )
         },
-        onClick = onClick,
+        onClick = {
+            switchState = !switchState
+            onCheckedChange(switchState)
+        },
         modifier = modifier
     )
 }

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/components/palette/PaletteItem.kt

@@ -0,0 +1,103 @@
+package cn.super12138.todo.ui.pages.settings.components.palette
+
+import android.os.Build
+import androidx.compose.animation.core.animateDpAsState
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.colorResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.util.fastForEach
+import cn.super12138.todo.constants.GlobalValues
+import cn.super12138.todo.ui.theme.PaletteStyle
+import cn.super12138.todo.ui.theme.dynamicColorScheme
+
+@Composable
+fun PaletteItem(
+    paletteStyle: PaletteStyle,
+    selected: Boolean,
+    onSelect: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val context = LocalContext.current
+    // 单个主题最外层布局
+    Column(
+        modifier = Modifier
+            .width(90.dp)
+            .clip(MaterialTheme.shapes.large)
+            .clickable {
+                onSelect()
+            }
+            .padding(8.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        // 为不同主题样式设置不同色板
+        MaterialTheme(
+            colorScheme = dynamicColorScheme(
+                keyColor = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && GlobalValues.dynamicColor) {
+                    colorResource(id = android.R.color.system_accent1_500)
+                } else {
+                    Color(0xFFFF0000)
+                },
+                isDark = isSystemInDarkTheme(),
+                style = paletteStyle
+            )
+        ) {
+            val borderWidth by animateDpAsState(if (selected) 3.dp else (-1).dp)
+            // 颜色预览区域
+            Column(
+                modifier = Modifier
+                    .width(70.dp)
+                    .clip(MaterialTheme.shapes.large)
+                    .border(
+                        width = borderWidth,
+                        color = MaterialTheme.colorScheme.primary,
+                        shape = MaterialTheme.shapes.large
+                    ),
+                verticalArrangement = Arrangement.spacedBy(2.dp)
+            ) {
+                listOf(
+                    MaterialTheme.colorScheme.primary,
+                    MaterialTheme.colorScheme.secondary,
+                    MaterialTheme.colorScheme.tertiary,
+                    MaterialTheme.colorScheme.tertiaryContainer,
+                    MaterialTheme.colorScheme.secondaryContainer,
+                    MaterialTheme.colorScheme.primaryContainer,
+                ).fastForEach {
+                    Box(
+                        Modifier
+                            .fillMaxWidth()
+                            .height(24.dp)
+                            .background(it)
+                    )
+                }
+            }
+        }
+
+        Spacer(Modifier.size(8.dp))
+
+        Text(
+            text = paletteStyle.getDisplayName(context),
+            style = MaterialTheme.typography.bodyMedium
+        )
+    }
+}

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/components/palette/PalettePicker.kt

@@ -0,0 +1,78 @@
+package cn.super12138.todo.ui.pages.settings.components.palette
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.wrapContentHeight
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import cn.super12138.todo.R
+import cn.super12138.todo.constants.Constants
+import cn.super12138.todo.ui.pages.settings.state.rememberPrefIntState
+import cn.super12138.todo.ui.theme.PaletteStyle
+
+@Composable
+fun PalettePicker(
+    onPaletteChange: (paletteStyle: PaletteStyle) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    var paletteState by rememberPrefIntState(
+        Constants.PREF_PALETTE_STYLE,
+        Constants.PREF_PALETTE_STYLE_DEFAULT
+    )
+
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .wrapContentHeight()
+            .clip(MaterialTheme.shapes.large)
+            .padding(horizontal = 24.dp, vertical = 20.dp),
+    ) {
+        Text(
+            text = stringResource(R.string.pref_palette_style),
+            maxLines = 1,
+            overflow = TextOverflow.Ellipsis,
+            style = MaterialTheme.typography.titleLarge.copy(
+                color = MaterialTheme.colorScheme.onSurface,
+                fontSize = 20.sp
+            )
+        )
+
+        Spacer(Modifier.size(8.dp))
+
+        val paletteOptions = remember {
+            PaletteStyle.entries.toList()
+        }
+
+        LazyRow(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.spacedBy(5.dp)
+        ) {
+            items(items = paletteOptions, key = { it.name }) { paletteStyle ->
+                PaletteItem(
+                    paletteStyle = paletteStyle,
+                    selected = PaletteStyle.fromId(paletteState) == paletteStyle,
+                    onSelect = {
+                        paletteState = paletteStyle.id
+                        onPaletteChange(paletteStyle)
+                    }
+                )
+            }
+        }
+    }
+}

app/src/main/kotlin/cn/super12138/todo/ui/pages/settings/state/PrefMutableState.kt

@@ -0,0 +1,87 @@
+package cn.super12138.todo.ui.pages.settings.state
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableIntState
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalContext
+
+/**
+ * 来自：https://github.com/hushenghao/AndroidEasterEggs/blob/main/app/src/main/java/com/dede/android_eggs/views/settings/compose/basic/PrefMutableState.kt
+ * 在命名上有改动
+ * @author hushenghao
+ */
+
+@Composable
+fun rememberPrefBooleanState(key: String, default: Boolean): MutableState<Boolean> {
+    val context = LocalContext.current
+    return remember { PrefMutableBooleanState(context, key, default) }
+}
+
+@Composable
+fun rememberPrefIntState(key: String, default: Int): MutableIntState {
+    val context = LocalContext.current
+    return remember { PrefMutableIntState(context, key, default) }
+}
+
+private class PrefMutableBooleanState(
+    val context: Context,
+    val key: String,
+    default: Boolean,
+) : MutableState<Boolean> {
+    private val delegate = mutableStateOf(context.pref.getBoolean(key, default))
+
+    override var value: Boolean
+        get() = delegate.value
+        set(value) {
+            delegate.value = value
+            context.pref.edit().putBoolean(key, value).apply()
+        }
+
+    override fun component1(): Boolean {
+        return delegate.component1()
+    }
+
+    override fun component2(): (Boolean) -> Unit {
+        return delegate.component2()
+    }
+}
+
+private class PrefMutableIntState(
+    val context: Context,
+    val key: String,
+    default: Int,
+) : MutableIntState {
+    private val delegate = mutableIntStateOf(context.pref.getInt(key, default))
+
+    override var intValue: Int
+        get() = delegate.intValue
+        set(value) {
+            delegate.intValue = value
+            context.pref.edit().putInt(key, value).apply()
+        }
+
+    override fun component1(): Int {
+        return delegate.component1()
+    }
+
+    override fun component2(): (Int) -> Unit {
+        return delegate.component2()
+    }
+}
+
+/**
+ * 来自：https://github.com/hushenghao/AndroidEasterEggs/blob/main/basic/src/main/java/com/dede/android_eggs/util/Pref.kt
+ * @author hushenghao
+ */
+val Context.pref: SharedPreferences
+    get() {
+        return applicationContext.getSharedPreferences(
+            applicationContext.packageName + "_preferences",
+            Context.MODE_PRIVATE
+        )
+    }

app/src/main/kotlin/cn/super12138/todo/ui/theme/PaletteStyle.kt

@@ -1,13 +1,37 @@
 package cn.super12138.todo.ui.theme
 
-enum class PaletteStyle {
+import android.content.Context
-    TonalSpot,
+import cn.super12138.todo.R
-    Neutral,
+
-    Vibrant,
+enum class PaletteStyle(val id: Int) {
-    Expressive,
+    TonalSpot(1),
-    Rainbow,
+    Neutral(2),
-    FruitSalad,
+    Vibrant(3),
-    Monochrome,
+    Expressive(4),
-    Fidelity,
+    Rainbow(5),
-    Content,
+    FruitSalad(6),
+    Monochrome(7),
+    Fidelity(8),
+    Content(9);
+
+    fun getDisplayName(context: Context): String {
+        val resId = when (this) {
+            TonalSpot -> R.string.palette_tonal_spot
+            Neutral -> R.string.palette_neutral
+            Vibrant -> R.string.palette_vibrant
+            Expressive -> R.string.palette_expressive
+            Rainbow -> R.string.palette_rainbow
+            FruitSalad -> R.string.palette_fruit_salad
+            Monochrome -> R.string.palette_monochrome
+            Fidelity -> R.string.palette_fidelity
+            Content -> R.string.palette_content
+        }
+        return context.getString(resId)
+    }
+
+    companion object {
+        fun fromId(id: Int): PaletteStyle {
+            return PaletteStyle.entries.find { it.id == id } ?: TonalSpot
+        }
+    }
 }

app/src/main/kotlin/cn/super12138/todo/ui/theme/Theme.kt

@@ -4,17 +4,24 @@ import android.os.Build
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.colorResource
+import cn.super12138.todo.constants.GlobalValues
+
+var isDynamicColorEnable by mutableStateOf(GlobalValues.dynamicColor)
+var appPaletteStyle by mutableStateOf(PaletteStyle.fromId(GlobalValues.paletteStyle))
 
 @Composable
 fun ToDoTheme(
     color: Color? = null,
     darkTheme: Boolean = isSystemInDarkTheme(),
-    style: PaletteStyle = PaletteStyle.TonalSpot,
+    style: PaletteStyle = appPaletteStyle,
     contrastLevel: Double = 0.0,
     // Dynamic color is available on Android 12+
-    dynamicColor: Boolean = true,
+    dynamicColor: Boolean = isDynamicColorEnable,
     content: @Composable () -> Unit
 ) {
     val baseColor = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && dynamicColor) {

app/src/main/kotlin/cn/super12138/todo/ui/viewmodels/MainViewModel.kt

@@ -15,6 +15,7 @@ import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 
 class MainViewModel : ViewModel() {
+    // 待办
     val toDos: Flow<List<TodoEntity>> = Repository.getAllTodos()
     var selectedEditTodo by mutableStateOf<TodoEntity?>(null)
         private set

app/src/main/kotlin/cn/super12138/todo/utils/SPDelegates.kt

@@ -0,0 +1,14 @@
+package cn.super12138.todo.utils
+
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class SPDelegates<T>(private val key: String, private val default: T) : ReadWriteProperty<Any?, T> {
+    override fun getValue(thisRef: Any?, property: KProperty<*>): T {
+        return SPUtils.getValue(key, default)
+    }
+
+    override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
+        SPUtils.putValue(key, value)
+    }
+}

app/src/main/kotlin/cn/super12138/todo/utils/SPUtils.kt

@@ -0,0 +1,37 @@
+package cn.super12138.todo.utils
+
+import android.content.Context
+import android.content.SharedPreferences
+import cn.super12138.todo.TodoApp
+import cn.super12138.todo.constants.Constants
+
+object SPUtils {
+    private val sp: SharedPreferences by lazy {
+        TodoApp.context.getSharedPreferences(Constants.SP_NAME, Context.MODE_PRIVATE)
+    }
+
+    fun <T> getValue(name: String, default: T): T = with(sp) {
+        val res: Any = when (default) {
+            is Long -> getLong(name, default)
+            is String -> getString(name, default).orEmpty()
+            is Int -> getInt(name, default)
+            is Boolean -> getBoolean(name, default)
+            is Float -> getFloat(name, default)
+            else -> throw java.lang.IllegalArgumentException()
+        }
+        @Suppress("UNCHECKED_CAST")
+        res as T
+    }
+
+    fun <T> putValue(name: String, value: T) = with(sp.edit()) {
+        when (value) {
+            is Long -> putLong(name, value)
+            is String -> putString(name, value)
+            is Int -> putInt(name, value)
+            is Boolean -> putBoolean(name, value)
+            is Float -> putFloat(name, value)
+            else -> throw IllegalArgumentException("This type can't be saved into Preferences")
+        }.apply()
+    }
+}
+

app/src/main/res/values-zh-rCN/strings.xml

@@ -46,4 +46,18 @@
     <string name="priority_important">重要</string>
     <string name="priority_urgent">紧急</string>
     <string name="label_priority">优先级</string>
+    <string name="pref_appearance">外观和个性化</string>
+    <string name="pref_appearance_desc">主题、色彩样式</string>
+    <string name="pref_appearance_dynamic_color">动态配色</string>
+    <string name="pref_appearance_dynamic_color_desc">使用系统壁纸的主题颜色，仅在 Android 12+ 上生效</string>
+    <string name="pref_palette_style">主题样式</string>
+    <string name="palette_tonal_spot">色调点</string>
+    <string name="palette_neutral">中性</string>
+    <string name="palette_vibrant">鲜艳</string>
+    <string name="palette_expressive">表现力</string>
+    <string name="palette_rainbow">彩虹</string>
+    <string name="palette_fruit_salad">水果沙拉</string>
+    <string name="palette_monochrome">单色</string>
+    <string name="palette_fidelity">高保真</string>
+    <string name="palette_content">内容</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -47,4 +47,18 @@
     <string name="priority_important">Important</string>
     <string name="priority_urgent">Urgent</string>
     <string name="label_priority">Priority</string>
+    <string name="pref_appearance">Appearance</string>
+    <string name="pref_appearance_desc">Theme, color style</string>
+    <string name="pref_appearance_dynamic_color">Dynamic Color</string>
+    <string name="pref_appearance_dynamic_color_desc">Use the system wallpaper\'s theme color, available on Android 12+</string>
+    <string name="pref_palette_style">Palette Style</string>
+    <string name="palette_tonal_spot">Tonal Spot</string>
+    <string name="palette_neutral">Neutral</string>
+    <string name="palette_vibrant">Vibrant</string>
+    <string name="palette_expressive">Expressive</string>
+    <string name="palette_rainbow">Rainbow</string>
+    <string name="palette_fruit_salad">Fruit Salad</string>
+    <string name="palette_monochrome">Monochrome</string>
+    <string name="palette_fidelity">Fidelity</string>
+    <string name="palette_content">Content</string>
 </resources>

gradle/libs.versions.toml

@@ -2,8 +2,8 @@
 # Android X
 coreKtx = "1.15.0"
 splashScreen = "1.2.0-alpha02"
-# security = "1.1.0-alpha06"
 lifecycleRuntimeKtx = "2.8.7"
+# security = "1.1.0-alpha06"
 # Compose
 activityCompose = "1.9.3"
 composeBom = "2024.12.01"