feat: 为饼图添加点击事件

1. 为CategoryPieChart添加点击事件处理
2. 点击饼图可跳转到对应类别详情页面

README.md

@@ -25,7 +25,7 @@
 
 ## 🗺 开发路线图
 
-### 1. 基础记账 (已完成 ✨)
+### 0. 基础记账 (已完成 ✨)
 - [x] 收入/支出记录管理
 - [x] 分类管理系统
 - [x] 自定义日期选择器
@@ -33,41 +33,40 @@
 - [x] 深色/浅色主题切换
 - [x] 主题色自定义
 
-### 2. 成员系统 (已完成 🎉)
+### 1. 成员系统 (已完成 🎉)
 - [x] 成员添加/编辑/删除
 - [x] 记账时选择相关成员
 - [x] 主页账单修改相关成员
 - [x] 成员消费统计
 
-### 3. 数据分析 (进行中 🚀)
+### 2. 图表分析 (进行中 🚀)
 - [ ] 支出/收入趋势图表
 - [ ] 分类占比饼图
 - [ ] 月度/年度报表
 - [ ] 成员消费分析
 - [ ] 自定义统计周期
 
-### 4. 数据管理 (计划中 📝)
+### 3. 数据管理 (计划中 📝)
 - [ ] 导出 CSV/Excel 功能
-- [ ] 云端备份支持
 - [ ] 数据迁移工具
 - [ ] 定期自动备份
 - [ ] 备份加密功能
 
-### 5. 预算管理 (计划中 💡)
+### 4. 预算管理 (计划中 💡)
 - [ ] 月度预算设置
 - [ ] 预算超支提醒
 - [ ] 分类预算管理
 - [ ] 成员预算管理
 - [ ] 预算分析报告
 
-### 6. 体验优化 (持续进行 🔄)
+### 5. 体验优化 (持续进行 🔄)
 - [x] 深色模式支持
 - [ ] 手势操作优化
 - [ ] 快速记账小组件
 - [ ] 多语言支持
 - [ ] 自定义主题
 
-### 7. 性能提升 (持续进行 ⚡️)
+### 6. 性能提升 (持续进行 ⚡️)
 - [ ] 大数据量处理优化
 - [ ] 启动速度优化
 - [ ] 内存使用优化

app/build.gradle.kts

@@ -89,6 +89,7 @@ dependencies {
     implementation(libs.androidx.room.common)
     implementation(libs.androidx.navigation.common.ktx)
     implementation(libs.androidx.navigation.compose)
+    implementation(libs.vision.internal.vkp)
 
     // Room
     val roomVersion = "2.6.1"
@@ -96,6 +97,9 @@ dependencies {
     implementation("androidx.room:room-ktx:$roomVersion")
     ksp("androidx.room:room-compiler:$roomVersion")
     
+    // 图表库
+    implementation("com.github.PhilJay:MPAndroidChart:v3.1.0")
+    implementation("androidx.compose.material:material-icons-extended:1.4.3")
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")

app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDao.kt

@@ -27,6 +27,17 @@ interface BookkeepingDao {
     @Query("SELECT SUM(amount) FROM bookkeeping_records WHERE type = :type AND (memberId = :memberId OR memberId IS NULL)")
     fun getTotalAmountByType(type: TransactionType, memberId: Int? = null): Flow<Double?>
 
+    @Query("""
+        SELECT * FROM bookkeeping_records 
+        WHERE category = :category 
+        AND strftime('%Y-%m', datetime(date/1000, 'unixepoch')) = :yearMonth
+        ORDER BY date DESC
+    """)
+    fun getRecordsByCategoryAndMonth(
+        category: String,
+        yearMonth: String
+    ): Flow<List<BookkeepingRecord>>
+
     @Insert
     suspend fun insertRecord(record: BookkeepingRecord): Long
 

app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDatabase.kt

@@ -32,9 +32,9 @@ abstract class BookkeepingDatabase : RoomDatabase() {
         private const val TAG = "BookkeepingDatabase"
 
         private val MIGRATION_1_2 = object : Migration(1, 2) {
-            override fun migrate(database: SupportSQLiteDatabase) {
+            override fun migrate(db: SupportSQLiteDatabase) {
                 // 创建成员表
-                database.execSQL("""
+                db.execSQL("""
                     CREATE TABLE IF NOT EXISTS members (
                         id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                         name TEXT NOT NULL,
@@ -43,20 +43,20 @@ abstract class BookkeepingDatabase : RoomDatabase() {
                 """)
                 
                 // 插入默认成员
-                database.execSQL("""
+                db.execSQL("""
                     INSERT INTO members (name, description)
                     VALUES ('自己', '默认成员')
                 """)
 
                 // 修改记账记录表，添加成员ID字段
-                database.execSQL("""
+                db.execSQL("""
                     ALTER TABLE bookkeeping_records
                     ADD COLUMN memberId INTEGER DEFAULT NULL
                     REFERENCES members(id) ON DELETE SET NULL
                 """)
 
                 // 更新现有记录，将其关联到默认成员
-                database.execSQL("""
+                db.execSQL("""
                     UPDATE bookkeeping_records
                     SET memberId = (SELECT id FROM members WHERE name = '我自己')
                 """)
@@ -64,9 +64,9 @@ abstract class BookkeepingDatabase : RoomDatabase() {
         }
 
         private val MIGRATION_2_3 = object : Migration(2, 3) {
-            override fun migrate(database: SupportSQLiteDatabase) {
+            override fun migrate(db: SupportSQLiteDatabase) {
                 // 重新创建记账记录表
-                database.execSQL("""
+                db.execSQL("""
                     CREATE TABLE IF NOT EXISTS bookkeeping_records_new (
                         id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                         amount REAL NOT NULL,
@@ -80,19 +80,19 @@ abstract class BookkeepingDatabase : RoomDatabase() {
                 """)
 
                 // 复制数据
-                database.execSQL("""
+                db.execSQL("""
                     INSERT INTO bookkeeping_records_new (id, amount, type, category, description, date, memberId)
                     SELECT id, amount, type, category, description, date, memberId FROM bookkeeping_records
                 """)
 
                 // 删除旧表
-                database.execSQL("DROP TABLE bookkeeping_records")
+                db.execSQL("DROP TABLE bookkeeping_records")
 
                 // 重命名新表
-                database.execSQL("ALTER TABLE bookkeeping_records_new RENAME TO bookkeeping_records")
+                db.execSQL("ALTER TABLE bookkeeping_records_new RENAME TO bookkeeping_records")
 
                 // 重新创建分类表
-                database.execSQL("""
+                db.execSQL("""
                     CREATE TABLE IF NOT EXISTS categories_new (
                         id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                         name TEXT NOT NULL,
@@ -101,16 +101,16 @@ abstract class BookkeepingDatabase : RoomDatabase() {
                 """)
 
                 // 复制分类数据
-                database.execSQL("""
+                db.execSQL("""
                     INSERT INTO categories_new (id, name, type)
                     SELECT id, name, type FROM categories
                 """)
 
                 // 删除旧表
-                database.execSQL("DROP TABLE categories")
+                db.execSQL("DROP TABLE categories")
 
                 // 重命名新表
-                database.execSQL("ALTER TABLE categories_new RENAME TO categories")
+                db.execSQL("ALTER TABLE categories_new RENAME TO categories")
             }
         }
 

app/src/main/java/com/yovinchen/bookkeeping/model/AnalysisType.kt

@@ -0,0 +1,7 @@
+package com.yovinchen.bookkeeping.model
+
+enum class AnalysisType {
+    EXPENSE,
+    INCOME,
+    TREND
+}

app/src/main/java/com/yovinchen/bookkeeping/model/BookkeepingRecord.kt

@@ -2,6 +2,7 @@ package com.yovinchen.bookkeeping.model
 
 import androidx.room.Entity
 import androidx.room.ForeignKey
+import androidx.room.Index
 import androidx.room.PrimaryKey
 import androidx.room.TypeConverter
 import androidx.room.TypeConverters
@@ -43,6 +44,9 @@ class Converters {
             childColumns = ["memberId"],
             onDelete = ForeignKey.SET_NULL
         )
+    ],
+    indices = [
+        Index(value = ["memberId"])
     ]
 )
 @TypeConverters(Converters::class)

app/src/main/java/com/yovinchen/bookkeeping/model/CategoryStat.kt

@@ -0,0 +1,8 @@
+package com.yovinchen.bookkeeping.model
+
+data class CategoryStat(
+    val category: String,
+    val amount: Double,
+    val count: Int = 0,
+    val percentage: Double = 0.0
+)

app/src/main/java/com/yovinchen/bookkeeping/ui/components/CategoryPieChart.kt

@@ -0,0 +1,92 @@
+package com.yovinchen.bookkeeping.ui.components
+
+import android.graphics.Color as AndroidColor
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import com.github.mikephil.charting.charts.PieChart
+import com.github.mikephil.charting.components.Legend
+import com.github.mikephil.charting.data.Entry
+import com.github.mikephil.charting.data.PieData
+import com.github.mikephil.charting.data.PieDataSet
+import com.github.mikephil.charting.data.PieEntry
+import com.github.mikephil.charting.formatter.PercentFormatter
+import com.github.mikephil.charting.highlight.Highlight
+import com.github.mikephil.charting.listener.OnChartValueSelectedListener
+import com.github.mikephil.charting.utils.ColorTemplate
+
+@Composable
+fun CategoryPieChart(
+    categoryData: List<Pair<String, Float>>,
+    modifier: Modifier = Modifier,
+    onCategoryClick: (String) -> Unit = {}
+) {
+    val isDarkTheme = isSystemInDarkTheme()
+    val textColor = MaterialTheme.colorScheme.onSurface.toArgb()
+
+    AndroidView(
+        modifier = modifier
+            .fillMaxWidth()
+            .height(300.dp),
+        factory = { context ->
+            PieChart(context).apply {
+                description.isEnabled = false
+                setUsePercentValues(true)
+                setDrawEntryLabels(true)
+
+                // 禁用图例显示
+                legend.isEnabled = false
+
+                isDrawHoleEnabled = true
+                holeRadius = 40f
+                setHoleColor(AndroidColor.TRANSPARENT)
+                setTransparentCircleRadius(45f)
+
+                // 设置标签文字颜色
+                setEntryLabelColor(textColor)
+                setEntryLabelTextSize(12f)
+
+                // 设置中心文字颜色跟随主题
+                setCenterTextColor(textColor)
+
+                // 添加点击事件监听器
+                setOnChartValueSelectedListener(object : OnChartValueSelectedListener {
+                    override fun onValueSelected(e: Entry?, h: Highlight?) {
+                        e?.let {
+                            if (it is PieEntry) {
+                                onCategoryClick(it.label ?: return)
+                            }
+                        }
+                    }
+
+                    override fun onNothingSelected() {
+                        // 不需要处理
+                    }
+                })
+            }
+        },
+        update = { chart ->
+            val entries = categoryData.map { (category, amount) ->
+                PieEntry(amount, category)
+            }
+
+            val dataSet = PieDataSet(entries, "").apply {  // 将标题设为空字符串
+                colors = ColorTemplate.MATERIAL_COLORS.toList()
+                valueTextSize = 14f
+                valueFormatter = PercentFormatter(chart)
+                valueTextColor = textColor
+                setDrawValues(true)
+            }
+
+            val pieData = PieData(dataSet)
+            chart.data = pieData
+            chart.invalidate()
+        }
+    )
+}

app/src/main/java/com/yovinchen/bookkeeping/ui/components/CategoryStatItem.kt

@@ -0,0 +1,71 @@
+package com.yovinchen.bookkeeping.ui.components
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import com.yovinchen.bookkeeping.model.CategoryStat
+
+@SuppressLint("DefaultLocale")
+@Composable
+fun CategoryStatItem(
+    stat: CategoryStat,
+    onClick: () -> Unit
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(vertical = 8.dp)
+    ) {
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(
+                text = stat.category,
+                style = MaterialTheme.typography.bodyLarge
+            )
+            Text(
+                text = String.format("%.2f", stat.amount),
+                style = MaterialTheme.typography.bodyLarge
+            )
+        }
+        
+        Spacer(modifier = Modifier.height(4.dp))
+        
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            LinearProgressIndicator(
+                progress = { stat.percentage.toFloat() / 100f },
+                modifier = Modifier
+                    .weight(1f)
+                    .height(8.dp)
+                    .background(
+                        MaterialTheme.colorScheme.surfaceVariant,
+                        RoundedCornerShape(4.dp)
+                    ),
+            )
+            
+            Spacer(modifier = Modifier.width(8.dp))
+            
+            Text(
+                text = String.format("%.1f%%", stat.percentage),
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        }
+    }
+}

app/src/main/java/com/yovinchen/bookkeeping/ui/components/MonthYearPicker.kt

@@ -0,0 +1,88 @@
+package com.yovinchen.bookkeeping.ui.components
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import java.time.YearMonth
+
+@Composable
+fun MonthYearPicker(
+    selectedMonth: YearMonth,
+    onMonthSelected: (YearMonth) -> Unit,
+    onDismiss: () -> Unit
+) {
+    var year by remember { mutableStateOf(selectedMonth.year) }
+    var month by remember { mutableStateOf(selectedMonth.monthValue) }
+
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("选择月份") },
+        text = {
+            Column(
+                modifier = Modifier.padding(16.dp),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                // 年份选择
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    Text("年份:")
+                    OutlinedButton(
+                        onClick = { year-- }
+                    ) {
+                        Text("-")
+                    }
+                    Text(year.toString())
+                    OutlinedButton(
+                        onClick = { year++ }
+                    ) {
+                        Text("+")
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(16.dp))
+
+                // 月份选择
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    Text("月份:")
+                    OutlinedButton(
+                        onClick = { 
+                            if (month > 1) month--
+                        }
+                    ) {
+                        Text("-")
+                    }
+                    Text(month.toString())
+                    OutlinedButton(
+                        onClick = { 
+                            if (month < 12) month++
+                        }
+                    ) {
+                        Text("+")
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            TextButton(
+                onClick = {
+                    onMonthSelected(YearMonth.of(year, month))
+                }
+            ) {
+                Text("确定")
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text("取消")
+            }
+        }
+    )
+}

app/src/main/java/com/yovinchen/bookkeeping/ui/components/RecordItem.kt

@@ -22,6 +22,7 @@ fun RecordItem(
     members: List<Member> = emptyList()
 ) {
     var showDeleteDialog by remember { mutableStateOf(false) }
+//    val dateFormat = remember { SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()) }
     val timeFormat = remember { SimpleDateFormat("HH:mm", Locale.getDefault()) }
     val member = members.find { it.id == record.memberId }
 
@@ -48,14 +49,18 @@ fun RecordItem(
                     style = MaterialTheme.typography.bodyLarge
                 )
                 
-                // 第二行：时间 | 成员 | 详情
+                // 第二行：日期和时间 | 成员 | 详情
                 Text(
                     text = buildString {
+//                        append(dateFormat.format(record.date))
+//                        append(" ")
                         append(timeFormat.format(record.date))
-                        if (member != null && member.name != "自己") {
+//                        if (member != null && member.name != "自己") {
                             append(" | ")
+                        if (member != null) {
                             append(member.name)
                         }
+//                        }
                         if (record.description.isNotEmpty()) {
                             append(" | ")
                             append(record.description)

app/src/main/java/com/yovinchen/bookkeeping/ui/navigation/MainNavigation.kt

@@ -3,39 +3,50 @@ package com.yovinchen.bookkeeping.ui.navigation
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Home
+import androidx.compose.material.icons.filled.List
 import androidx.compose.material.icons.filled.Settings
+import androidx.compose.material.icons.outlined.Analytics
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationBar
 import androidx.compose.material3.NavigationBarItem
-import androidx.compose.material3.NavigationBarItemDefaults
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
-import androidx.navigation.NavDestination.Companion.hierarchy
+import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.navigation.NavGraph.Companion.findStartDestination
+import androidx.navigation.NavType
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
+import androidx.navigation.navArgument
 import com.yovinchen.bookkeeping.model.ThemeMode
+import com.yovinchen.bookkeeping.ui.screen.AnalysisScreen
+import com.yovinchen.bookkeeping.ui.screen.CategoryDetailScreen
 import com.yovinchen.bookkeeping.ui.screen.HomeScreen
 import com.yovinchen.bookkeeping.ui.screen.SettingsScreen
+import java.time.YearMonth
+import java.time.format.DateTimeFormatter
 
-sealed class Screen(val route: String, val icon: @Composable () -> Unit, val label: String) {
-    object Home : Screen(
-        route = "home",
-        icon = { Icon(Icons.Default.Home, contentDescription = "主页") },
-        label = "主页"
-    )
-    object Settings : Screen(
-        route = "settings",
-        icon = { Icon(Icons.Default.Settings, contentDescription = "设置") },
-        label = "设置"
-    )
+sealed class Screen(
+    val route: String,
+    val icon: ImageVector,
+    val label: String
+) {
+    data object Home : Screen("home", Icons.Default.Home, "主页")
+    data object Analysis : Screen("analysis", Icons.Outlined.Analytics, "分析")
+    data object Settings : Screen("settings", Icons.Default.Settings, "设置")
+    data object CategoryDetail : Screen(
+        "category_detail/{category}/{yearMonth}",
+        Icons.Default.List,
+        "分类详情"
+    ) {
+        fun createRoute(category: String, yearMonth: String) =
+            "category_detail/$category/$yearMonth"
+    }
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -45,22 +56,22 @@ fun MainNavigation(
     onThemeChange: (ThemeMode) -> Unit
 ) {
     val navController = rememberNavController()
-    val items = listOf(Screen.Home, Screen.Settings)
 
     Scaffold(
         bottomBar = {
-            NavigationBar(
-                containerColor = MaterialTheme.colorScheme.surface,
-                contentColor = MaterialTheme.colorScheme.onSurface,
-            ) {
+            NavigationBar {
                 val navBackStackEntry by navController.currentBackStackEntryAsState()
-                val currentDestination = navBackStackEntry?.destination
+                val currentRoute = navBackStackEntry?.destination?.route
 
-                items.forEach { screen ->
+                listOf(
+                    Screen.Home,
+                    Screen.Analysis,
+                    Screen.Settings
+                ).forEach { screen ->
                     NavigationBarItem(
-                        icon = screen.icon,
+                        icon = { Icon(screen.icon, contentDescription = screen.label) },
                         label = { Text(screen.label) },
-                        selected = currentDestination?.hierarchy?.any { it.route == screen.route } == true,
+                        selected = currentRoute == screen.route,
                         onClick = {
                             navController.navigate(screen.route) {
                                 popUpTo(navController.graph.findStartDestination().id) {
@@ -69,26 +80,25 @@ fun MainNavigation(
                                 launchSingleTop = true
                                 restoreState = true
                             }
-                        },
-                        colors = NavigationBarItemDefaults.colors(
-                            selectedIconColor = MaterialTheme.colorScheme.primary,
-                            selectedTextColor = MaterialTheme.colorScheme.primary,
-                            unselectedIconColor = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f),
-                            unselectedTextColor = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.6f),
-                            indicatorColor = MaterialTheme.colorScheme.surfaceVariant
-                        )
+                        }
                     )
                 }
             }
         }
-    ) { paddingValues ->
+    ) { innerPadding ->
         NavHost(
             navController = navController,
             startDestination = Screen.Home.route,
-            modifier = Modifier.padding(paddingValues)
+            modifier = Modifier.padding(innerPadding)
         ) {
-            composable(Screen.Home.route) {
-                HomeScreen()
+            composable(Screen.Home.route) { HomeScreen() }
+            composable(Screen.Analysis.route) {
+                AnalysisScreen(
+                    onNavigateToCategoryDetail = { category, month ->
+                        val monthStr = month.format(DateTimeFormatter.ofPattern("yyyy-MM"))
+                        navController.navigate(Screen.CategoryDetail.createRoute(category, monthStr))
+                    }
+                )
             }
             composable(Screen.Settings.route) {
                 SettingsScreen(
@@ -96,6 +106,24 @@ fun MainNavigation(
                     onThemeChange = onThemeChange
                 )
             }
+
+            composable(
+                route = Screen.CategoryDetail.route,
+                arguments = listOf(
+                    navArgument("category") { type = NavType.StringType },
+                    navArgument("yearMonth") { type = NavType.StringType }
+                )
+            ) { backStackEntry ->
+                val category = backStackEntry.arguments?.getString("category") ?: return@composable
+                val yearMonth = YearMonth.parse(
+                    backStackEntry.arguments?.getString("yearMonth") ?: return@composable
+                )
+                CategoryDetailScreen(
+                    category = category,
+                    month = yearMonth,
+                    onBack = { navController.popBackStack() }
+                )
+            }
         }
     }
 }

app/src/main/java/com/yovinchen/bookkeeping/ui/screen/AnalysisScreen.kt

@@ -0,0 +1,116 @@
+package com.yovinchen.bookkeeping.ui.screen
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.yovinchen.bookkeeping.model.AnalysisType
+import com.yovinchen.bookkeeping.ui.components.CategoryPieChart
+import com.yovinchen.bookkeeping.ui.components.CategoryStatItem
+import com.yovinchen.bookkeeping.ui.components.MonthYearPicker
+import com.yovinchen.bookkeeping.viewmodel.AnalysisViewModel
+import java.time.YearMonth
+import java.time.format.DateTimeFormatter
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AnalysisScreen(
+    onNavigateToCategoryDetail: (String, YearMonth) -> Unit
+) {
+    val viewModel: AnalysisViewModel = viewModel()
+    val selectedMonth by viewModel.selectedMonth.collectAsState()
+    val selectedAnalysisType by viewModel.selectedAnalysisType.collectAsState()
+    val categoryStats by viewModel.categoryStats.collectAsState()
+
+    var showMonthPicker by remember { mutableStateOf(false) }
+
+    Scaffold { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            // 月份选择器和类型切换
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                // 月份选择按钮
+                Button(onClick = { showMonthPicker = true }) {
+                    Text(selectedMonth.format(DateTimeFormatter.ofPattern("yyyy年MM月")))
+                }
+
+                // 类型切换
+                Row {
+                    AnalysisType.values().forEach { type ->
+                        FilterChip(
+                            selected = selectedAnalysisType == type,
+                            onClick = { viewModel.setAnalysisType(type) },
+                            label = {
+                                Text(
+                                    when (type) {
+                                        AnalysisType.EXPENSE -> "支出"
+                                        AnalysisType.INCOME -> "收入"
+                                        AnalysisType.TREND -> "趋势"
+                                    }
+                                )
+                            },
+                            modifier = Modifier.padding(horizontal = 4.dp)
+                        )
+                    }
+                }
+            }
+
+            // 使用LazyColumn包含饼图和列表
+            LazyColumn(
+                modifier = Modifier.fillMaxSize(),
+                contentPadding = PaddingValues(16.dp)
+            ) {
+                // 添加饼图作为第一个项目
+                if (selectedAnalysisType != AnalysisType.TREND) {
+                    item {
+                        CategoryPieChart(
+                            categoryData = categoryStats.map { Pair(it.category, it.percentage.toFloat()) },
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .height(200.dp)
+                                .padding(bottom = 16.dp),
+                            onCategoryClick = { category ->
+                                onNavigateToCategoryDetail(category, selectedMonth)
+                            }
+                        )
+                    }
+                }
+
+                // 添加分类统计列表项目
+                items(categoryStats) { stat ->
+                    CategoryStatItem(
+                        stat = stat,
+                        onClick = { onNavigateToCategoryDetail(stat.category, selectedMonth) }
+                    )
+                }
+            }
+        }
+
+        // 月份选择器对话框
+        if (showMonthPicker) {
+            MonthYearPicker(
+                selectedMonth = selectedMonth,
+                onMonthSelected = {
+                    viewModel.setSelectedMonth(it)
+                    showMonthPicker = false
+                },
+                onDismiss = { showMonthPicker = false }
+            )
+        }
+    }
+}

app/src/main/java/com/yovinchen/bookkeeping/ui/screen/CategoryDetailScreen.kt

@@ -0,0 +1,147 @@
+package com.yovinchen.bookkeeping.ui.screen
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.yovinchen.bookkeeping.data.BookkeepingDatabase
+import com.yovinchen.bookkeeping.model.BookkeepingRecord
+import com.yovinchen.bookkeeping.ui.components.RecordItem
+import com.yovinchen.bookkeeping.viewmodel.CategoryDetailViewModel
+import com.yovinchen.bookkeeping.viewmodel.CategoryDetailViewModelFactory
+import java.text.SimpleDateFormat
+import java.time.YearMonth
+import java.time.format.DateTimeFormatter
+import java.util.Locale
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CategoryDetailScreen(
+    category: String,
+    month: YearMonth,
+    onBack: () -> Unit
+) {
+    val context = LocalContext.current
+    val database = remember { BookkeepingDatabase.getDatabase(context) }
+    val viewModel: CategoryDetailViewModel = viewModel(
+        factory = CategoryDetailViewModelFactory(database, category, month)
+    )
+
+    val records by viewModel.records.collectAsState()
+    val total by viewModel.total.collectAsState()
+    val members by viewModel.members.collectAsState()
+    val groupedRecords = remember(records) {
+        records.groupBy { record ->
+            SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()).format(record.date)
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("$category - ${month.format(DateTimeFormatter.ofPattern("yyyy年MM月"))}") },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.Default.ArrowBack, contentDescription = "返回")
+                    }
+                }
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            // 总金额显示
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp, vertical = 8.dp)
+            ) {
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp, vertical = 12.dp),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(
+                        text = "总金额",
+                        style = MaterialTheme.typography.titleMedium
+                    )
+                    Text(
+                        text = String.format("%.2f", total),
+                        style = MaterialTheme.typography.titleLarge
+                    )
+                }
+            }
+
+            // 记录列表
+            LazyColumn(
+                modifier = Modifier.fillMaxSize(),
+                contentPadding = PaddingValues(16.dp),
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                groupedRecords.forEach { (date, dayRecords) ->
+                    item {
+                        Card(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(vertical = 4.dp),
+                            elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+                        ) {
+                            Column(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(16.dp)
+                            ) {
+                                // 日期标签
+                                Text(
+                                    text = SimpleDateFormat(
+                                        "yyyy年MM月dd日 E",
+                                        Locale.CHINESE
+                                    ).format(dayRecords.first().date),
+                                    style = MaterialTheme.typography.titleMedium,
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                                )
+
+                                Spacer(modifier = Modifier.height(8.dp))
+
+                                // 当天的记录
+                                Column(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    verticalArrangement = Arrangement.spacedBy(4.dp)
+                                ) {
+                                    dayRecords.forEachIndexed { index, record ->
+                                        RecordItem(
+                                            record = record,
+                                            onClick = {},
+                                            members = members
+                                        )
+
+                                        if (index < dayRecords.size - 1) {
+                                            HorizontalDivider(
+                                                modifier = Modifier.padding(vertical = 4.dp),
+                                                color = MaterialTheme.colorScheme.surfaceVariant,
+                                                thickness = 0.5.dp
+                                            )
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/yovinchen/bookkeeping/viewmodel/AnalysisViewModel.kt

@@ -0,0 +1,63 @@
+package com.yovinchen.bookkeeping.viewmodel
+
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.yovinchen.bookkeeping.data.BookkeepingDatabase
+import com.yovinchen.bookkeeping.model.AnalysisType
+import com.yovinchen.bookkeeping.model.CategoryStat
+import com.yovinchen.bookkeeping.model.TransactionType
+import kotlinx.coroutines.flow.*
+import java.time.LocalDateTime
+import java.time.YearMonth
+import java.time.ZoneId
+
+class AnalysisViewModel(application: Application) : AndroidViewModel(application) {
+    private val recordDao = BookkeepingDatabase.getDatabase(application).bookkeepingDao()
+
+    private val _selectedMonth = MutableStateFlow(YearMonth.now())
+    val selectedMonth = _selectedMonth.asStateFlow()
+
+    private val _selectedAnalysisType = MutableStateFlow(AnalysisType.EXPENSE)
+    val selectedAnalysisType = _selectedAnalysisType.asStateFlow()
+
+    val categoryStats = combine(selectedMonth, selectedAnalysisType) { month, type ->
+        val records = recordDao.getAllRecords().first()
+        val monthRecords = records.filter {
+            val recordDate = LocalDateTime.ofInstant(it.date.toInstant(), ZoneId.systemDefault())
+            YearMonth.from(recordDate) == month && it.type == when(type) {
+                AnalysisType.EXPENSE -> TransactionType.EXPENSE
+                AnalysisType.INCOME -> TransactionType.INCOME
+                else -> null
+            }
+        }
+
+        // 按分类统计
+        val categoryMap = monthRecords.groupBy { it.category }
+        val stats = categoryMap.map { (category, records) ->
+            CategoryStat(
+                category = category,
+                amount = records.sumOf { it.amount },
+                count = records.size
+            )
+        }.sortedByDescending { it.amount }
+
+        // 计算总额
+        val total = stats.sumOf { it.amount }
+        
+        // 计算百分比
+        stats.map { it.copy(percentage = if (total > 0) it.amount / total * 100 else 0.0) }
+    }.stateIn(
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(5000),
+        initialValue = emptyList()
+    )
+
+    fun setSelectedMonth(month: YearMonth) {
+        _selectedMonth.value = month
+    }
+
+    fun setAnalysisType(type: AnalysisType) {
+        _selectedAnalysisType.value = type
+    }
+}

app/src/main/java/com/yovinchen/bookkeeping/viewmodel/CategoryDetailViewModel.kt

@@ -0,0 +1,52 @@
+package com.yovinchen.bookkeeping.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.yovinchen.bookkeeping.data.BookkeepingDatabase
+import com.yovinchen.bookkeeping.model.BookkeepingRecord
+import com.yovinchen.bookkeeping.model.Member
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import java.time.YearMonth
+import java.time.format.DateTimeFormatter
+
+class CategoryDetailViewModel(
+    private val database: BookkeepingDatabase,
+    private val category: String,
+    private val month: YearMonth
+) : ViewModel() {
+    private val _records = MutableStateFlow<List<BookkeepingRecord>>(emptyList())
+    val records: StateFlow<List<BookkeepingRecord>> = _records
+
+    private val _total = MutableStateFlow(0.0)
+    val total: StateFlow<Double> = _total
+
+    private val _members = MutableStateFlow<List<Member>>(emptyList())
+    val members: StateFlow<List<Member>> = _members
+
+    init {
+        loadRecords()
+        loadMembers()
+    }
+
+    private fun loadRecords() {
+        viewModelScope.launch {
+            val monthStr = month.format(DateTimeFormatter.ofPattern("yyyy-MM"))
+            database.bookkeepingDao().getRecordsByCategoryAndMonth(category, monthStr)
+                .collect { records ->
+                    _records.value = records
+                    _total.value = records.sumOf { it.amount }
+                }
+        }
+    }
+
+    private fun loadMembers() {
+        viewModelScope.launch {
+            database.memberDao().getAllMembers().collect { members ->
+                _members.value = members
+            }
+        }
+    }
+}

app/src/main/java/com/yovinchen/bookkeeping/viewmodel/CategoryDetailViewModelFactory.kt

@@ -0,0 +1,20 @@
+package com.yovinchen.bookkeeping.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.yovinchen.bookkeeping.data.BookkeepingDatabase
+import java.time.YearMonth
+
+class CategoryDetailViewModelFactory(
+    private val database: BookkeepingDatabase,
+    private val category: String,
+    private val month: YearMonth
+) : ViewModelProvider.Factory {
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        if (modelClass.isAssignableFrom(CategoryDetailViewModel::class.java)) {
+            @Suppress("UNCHECKED_CAST")
+            return CategoryDetailViewModel(database, category, month) as T
+        }
+        throw IllegalArgumentException("Unknown ViewModel class")
+    }
+}

gradle.properties

@@ -20,4 +20,6 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
+android.nonTransitiveRClass=true
+# Kotlin
+org.gradle.java.home=/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home

gradle/libs.versions.toml

@@ -11,6 +11,7 @@ composeBom = "2024.04.01"
 roomCommon = "2.6.1"
 navigationCommonKtx = "2.8.4"
 navigationCompose = "2.8.4"
+visionInternalVkp = "18.2.3"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -30,6 +31,7 @@ androidx-material3 = { group = "androidx.compose.material3", name = "material3"
 androidx-room-common = { group = "androidx.room", name = "room-common", version.ref = "roomCommon" }
 androidx-navigation-common-ktx = { group = "androidx.navigation", name = "navigation-common-ktx", version.ref = "navigationCommonKtx" }
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
+vision-internal-vkp = { group = "com.google.mlkit", name = "vision-internal-vkp", version.ref = "visionInternalVkp" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

settings.gradle.kts

@@ -9,6 +9,7 @@ pluginManagement {
         }
         mavenCentral()
         gradlePluginPortal()
+        maven { url = uri("https://jitpack.io") }
     }
 }
 dependencyResolutionManagement {
@@ -16,6 +17,7 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
+        maven { url = uri("https://jitpack.io") }
     }
 }