Work

app/build.gradle.kts

@@ -15,7 +15,7 @@ android {
         minSdk = 30
         targetSdk = 36
         versionCode = 1
-        versionName = "1.0"
+        versionName = "1.0.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -51,6 +51,8 @@ dependencies {
     implementation(libs.androidx.compose.ui.tooling.preview)
     implementation(libs.androidx.compose.material3)
     implementation(libs.androidx.fragment.ktx)
+    implementation(libs.androidx.material3)
+    implementation(libs.androidx.compose.foundation)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
@@ -67,4 +69,8 @@ dependencies {
 
     implementation(libs.androidx.lifecycle.viewmodel.compose)
     implementation(libs.androidx.lifecycle.viewmodel.ktx)
+
+    // navigation
+    implementation(libs.androidx.navigation.compose)
+    implementation(libs.androidx.lifecycle.viewmodel.compose.v270)
 }

app/src/main/AndroidManifest.xml

@@ -26,6 +26,16 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
     </application>
 
 </manifest>

app/src/main/java/com/eggetteluo/folder/MainActivity.kt

@@ -1,155 +1,31 @@
 package com.eggetteluo.folder
 
-import android.Manifest
 import android.os.Bundle
-import android.os.Environment
-import androidx.activity.compose.BackHandler
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
-import androidx.activity.viewModels
-import androidx.compose.foundation.clickable
-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.Description
-import androidx.compose.material.icons.filled.Folder
-import androidx.compose.material3.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.unit.dp
 import androidx.fragment.app.FragmentActivity
-import com.eggetteluo.folder.model.FileItem
+import androidx.navigation.compose.rememberNavController
+import com.eggetteluo.folder.ui.navigation.AppNavGraph
 import com.eggetteluo.folder.ui.theme.FolderTheme
-import com.eggetteluo.folder.viewModel.FileViewModel
-import com.permissionx.guolindev.PermissionX
-import java.io.File
 
 class MainActivity : FragmentActivity() {
-
-    private val fileViewModel: FileViewModel by viewModels()
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         setContent {
             FolderTheme {
-                val hasPermission by fileViewModel.hasPermission.collectAsState()
-
-                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
-                    Box(modifier = Modifier.padding(innerPadding).fillMaxSize()) {
-                        if (hasPermission) {
-                            FileExplorerScreen(fileViewModel)
-                        } else {
-                            PermissionGuideScreen {
-                                requestStoragePermission(this@MainActivity) {
-                                    fileViewModel.onPermissionGranted()
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
-
-@Composable
-fun FileExplorerScreen(viewModel: FileViewModel) {
-    val fileList by viewModel.fileList.collectAsState()
-    val currentPath by viewModel.currentPath.collectAsState()
-
-    // 处理安卓物理返回键：如果不在根目录，点击返回键则跳回上一级
-    BackHandler(enabled = currentPath.absolutePath != Environment.getExternalStorageDirectory().absolutePath) {
-        viewModel.navigateBack()
-    }
-
-    Column {
-        Surface(tonalElevation = 4.dp, modifier = Modifier.fillMaxWidth()) {
-            Text(
-                text = "当前路径: ${currentPath.absolutePath}",
-                modifier = Modifier.padding(16.dp),
-                style = MaterialTheme.typography.labelSmall
-            )
-        }
-
-        if (fileList.isEmpty()) {
-            Box(Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
-                Text("文件夹为空", color = Color.Gray)
-            }
-        } else {
-            LazyColumn {
-                items(fileList) { file ->
-                    FileRow(file) {
-                        if (file.isDirectory) {
-                            viewModel.loadFiles(File(file.path))
-                        }
+                FolderTheme {
+                    val navController = rememberNavController()
+                    Box(
+                        modifier = Modifier.fillMaxSize()
+                    ) {
+                        AppNavGraph(navController = navController)
                     }
                 }
             }
         }
     }
-}
-
-@Composable
-fun FileRow(file: FileItem, onClick: () -> Unit) {
-    ListItem(
-        modifier = Modifier.clickable { onClick() },
-        headlineContent = { Text(file.name) },
-        supportingContent = {
-            if (!file.isDirectory) {
-                Text("${file.size / 1024} KB")
-            }
-        },
-        leadingContent = {
-            Icon(
-                imageVector = if (file.isDirectory) Icons.Default.Folder else Icons.Default.Description,
-                contentDescription = null,
-                tint = if (file.isDirectory) Color(0xFFFFCA28) else Color.Gray
-            )
-        }
-    )
-}
-
-@Composable
-fun PermissionGuideScreen(onButtonClick: () -> Unit) {
-    Column(
-        modifier = Modifier.fillMaxSize(),
-        verticalArrangement = Arrangement.Center,
-        horizontalAlignment = Alignment.CenterHorizontally
-    ) {
-        Text("需要“所有文件访问权限”才能管理文件")
-        Spacer(modifier = Modifier.height(16.dp))
-        Button(onClick = onButtonClick) {
-            Text("去授权")
-        }
-    }
-}
-
-fun requestStoragePermission(activity: FragmentActivity, onPermissionGranted: () -> Unit) {
-    PermissionX.init(activity)
-        .permissions(Manifest.permission.MANAGE_EXTERNAL_STORAGE) // 请求所有文件访问权限
-        .onExplainRequestReason { scope, deniedList ->
-            scope.showRequestReasonDialog(
-                deniedList,
-                "文件管理器需要访问所有文件以进行管理，请在设置中允许权限",
-                "确定", "取消"
-            )
-        }
-        .onForwardToSettings { scope, deniedList ->
-            scope.showForwardToSettingsDialog(
-                deniedList,
-                "您需要去设置界面手动开启文件访问权限",
-                "去设置", "取消"
-            )
-        }
-        .request { allGranted, _, _ ->
-            if (allGranted) {
-                onPermissionGranted() // 权限获取成功，去刷新文件列表
-            } else {
-                // 处理权限被拒绝的情况，比如弹一个 Toast
-            }
-        }
 }

app/src/main/java/com/eggetteluo/folder/model/FileIconTheme.kt

@@ -0,0 +1,16 @@
+package com.eggetteluo.folder.model
+
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.vector.ImageVector
+
+/**
+ * 文件图标主题模型
+ * 用于封装文件在列表项中展示的图标向量和颜色方案
+ *
+ * @property icon 图标的 ImageVector（如 Icons.Default.Folder）
+ * @property color 图标的着色（如 Color.Yellow）
+ */
+data class FileIconTheme(
+    val icon: ImageVector,
+    val color: Color
+)

app/src/main/java/com/eggetteluo/folder/model/FileItem.kt

@@ -1,9 +1,14 @@
 package com.eggetteluo.folder.model
 
 data class FileItem(
-    val name: String,
-    val path: String,
-    val isDirectory: Boolean,
-    val size: Long,
-    val lastModified: Long
-)
+    val name: String,           // 文件名
+    val path: String,           // 文件的真实物理绝对路径
+    val isDirectory: Boolean,    // 是否为文件夹
+    val size: Long,              // 文件大小 (字节)
+    val lastModified: Long,      // 最后修改时间戳
+    val createdAt: Long = 0L,    // 创建时间
+    val canRead: Boolean,        // 是否可读
+    val canWrite: Boolean,       // 是否可写
+    val isHidden: Boolean,       // 是否是隐藏文件
+    val extension: String = ""   // 后缀名 (如 "jpg", "pdf")
+)