Feature/explore

app/src/main/AndroidManifest.xml

@@ -2,6 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32" />
+    <uses-permission
+        android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
+        android:minSdkVersion="30" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"

app/src/main/java/kr/co/seedocs/MainActivity.kt

@@ -8,10 +8,24 @@ import kr.co.main.Main
 import kr.co.ui.theme.SeeDocsTheme
 
 class MainActivity : ComponentActivity() {
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
 
+    }
+
+    override fun onResume() {
+        super.onResume()
+
+        if (checkStoragePermission(this)) {
+            setContent()
+        } else {
+            requestStoragePermission(this)
+        }
+    }
+
+    private fun setContent() {
         setContent {
             SeeDocsTheme {
                 Main()

app/src/main/java/kr/co/seedocs/PermissionUtil.kt

@@ -0,0 +1,71 @@
+package kr.co.seedocs
+
+import android.Manifest
+import android.app.AppOpsManager
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Build
+import android.provider.Settings
+import androidx.activity.ComponentActivity
+import androidx.annotation.RequiresApi
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+
+private const val MANAGE_EXTERNAL_STORAGE_PERMISSION = "android:manage_external_storage"
+private const val MANAGE_EXTERNAL_STORAGE_PERMISSION_REQUEST = 100
+private const val READ_EXTERNAL_STORAGE_PERMISSION_REQUEST = 101
+
+internal fun checkStoragePermission(
+    activity: ComponentActivity,
+): Boolean =
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+        checkStoragePermissionApi30(activity)
+    } else {
+        checkStoragePermissionApi19(activity)
+    }
+
+@RequiresApi(Build.VERSION_CODES.R)
+private fun checkStoragePermissionApi30(activity: ComponentActivity): Boolean {
+    val appOps = activity.getSystemService(AppOpsManager::class.java)
+    val mode = appOps.unsafeCheckOpNoThrow(
+        MANAGE_EXTERNAL_STORAGE_PERMISSION,
+        activity.applicationInfo.uid,
+        activity.packageName
+    )
+
+    return mode == AppOpsManager.MODE_ALLOWED
+}
+
+private fun checkStoragePermissionApi19(activity: ComponentActivity): Boolean {
+    val status =
+        ContextCompat.checkSelfPermission(activity, Manifest.permission.READ_EXTERNAL_STORAGE)
+
+    return status == PackageManager.PERMISSION_GRANTED
+}
+
+internal fun requestStoragePermission(activity: ComponentActivity) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+        requestStoragePermissionApi30(activity)
+    }
+    else {
+        requestStoragePermissionApi19(activity)
+    }
+}
+
+@RequiresApi(Build.VERSION_CODES.R)
+private fun requestStoragePermissionApi30(
+    activity: ComponentActivity
+) {
+    val intent = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
+
+    activity.startActivityForResult(intent, MANAGE_EXTERNAL_STORAGE_PERMISSION_REQUEST)
+}
+
+fun requestStoragePermissionApi19(activity: ComponentActivity) {
+    val permissions = arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE)
+    ActivityCompat.requestPermissions(
+        activity,
+        permissions,
+        READ_EXTERNAL_STORAGE_PERMISSION_REQUEST
+    )
+}

core/ui/src/main/java/kr/co/ui/widget/FileBox.kt

@@ -14,6 +14,8 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.semantics.clearAndSetSemantics
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import kr.co.ui.icon.SeeDocsIcon
@@ -33,7 +35,10 @@ fun FileBox(
             .padding(
                 vertical = 12.dp,
                 horizontal = 8.dp
-            ),
+            )
+            .semantics { 
+                contentDescription = "$name"
+            },
         verticalAlignment = Alignment.CenterVertically,
         horizontalArrangement = Arrangement.spacedBy(24.dp)
     ) {

feature/explore/src/main/java/kr/co/explore/ExploreScreen.kt

@@ -22,29 +22,39 @@ import kr.co.ui.theme.SeeDocsTheme
 import kr.co.ui.theme.Theme
 import kr.co.ui.widget.FileBox
 import kr.co.widget.FolderBox
+import java.io.File
 
 @Composable
 internal fun ExploreRoute(
+    path: String,
     padding: PaddingValues,
-    navigateToPdf: () -> Unit = {}
+    navigateToFolder: (String) -> Unit = {},
+    navigateToPdf: () -> Unit = {},
 ) {
+    val files = readPDFOrDirectory(path)
 
     ExploreScreen(
+        path = path.replace("/storage/emulated/0", "내장 저장 공간"),
+        files = files,
         padding = padding,
+        onFolderClick = { folderPath -> navigateToFolder(folderPath) },
         onFileClick = navigateToPdf
     )
 }
 
 @Composable
 private fun ExploreScreen(
+    path: String,
+    files: List<Item> = emptyList(),
     padding: PaddingValues,
+    onFolderClick: (String) -> Unit = {},
     onFileClick: () -> Unit = {}
 ) {
     Box(
         modifier = Modifier
             .fillMaxSize()
             .padding(padding)
-            .background(color = Theme.colors.bg)
+            .background(color = Theme.colors.bg),
     ) {
         LazyVerticalGrid(
             modifier = Modifier
@@ -71,12 +81,13 @@ private fun ExploreScreen(
                     )
                     Text(
                         text = buildAnnotatedString {
-                            append("규상의 S24 >")
+                            append(">${path.split("/").dropLast(1).joinToString(separator = "/")}")
+                            append("/")
                             withStyle(
                                 Theme.typography.caption1r.copy(color = Theme.colors.highlight)
                                     .toSpanStyle()
                             ) {
-                                append("Download")
+                                append(path.split("/").last())
                             }
                         },
                         style = Theme.typography.caption1r,
@@ -85,30 +96,51 @@ private fun ExploreScreen(
                 }
             }
 
-            items(listOf("Download", "Documents", "DCIM")) { folder ->
+            items(files.filter { it.isDirectory }) { folder ->
                 FolderBox(
-                    name = folder
+                    name = folder.name,
+                    onClick = { onFolderClick(folder.path) }
                 )
             }
 
             items(
-                items = listOf("Effective Kotlin", "Android Developer"),
+                items = files.filter { !it.isDirectory },
                 span = { GridItemSpan(maxLineSpan) }
             ) { file ->
                 FileBox(
-                    name = file,
+                    name = file.name,
                     onFileClick = onFileClick
                 )
             }
         }
     }
 }
 
+private fun readPDFOrDirectory(
+    path: String,
+): List<Item> =
+    File(path).listFiles()?.filter { !it.isHidden && (it.isDirectory || it.extension == "pdf") }?.map {
+        Item(
+            name = it.name,
+            path = it.path,
+            type = it.extension,
+            isDirectory = it.isDirectory
+        )
+    }?: emptyList()
+
+private data class Item(
+    val name: String,
+    val path: String,
+    val type: String,
+    val isDirectory: Boolean,
+)
+
 @Preview
 @Composable
 private fun Preview() {
     SeeDocsTheme {
         ExploreScreen(
+            path = "/storage/emulated/0/Download",
             padding = PaddingValues(),
         )
     }

feature/explore/src/main/java/kr/co/navigation/ExploreNavGraph.kt

@@ -1,17 +1,22 @@
 package kr.co.navigation
 
+import android.os.Environment
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.navigation.NavGraphBuilder
 import androidx.navigation.compose.composable
+import androidx.navigation.toRoute
 import kr.co.explore.ExploreRoute
 
 fun NavGraphBuilder.exploreNavGraph(
     padding: PaddingValues,
+    navigateToFolder: (String) -> Unit = {},
     navigateToPdf: () -> Unit = {}
 ) {
     composable<MainNavigation.Explore> {
         ExploreRoute(
+            path = it.toRoute<MainNavigation.Explore>().path?: Environment.getExternalStorageDirectory().absolutePath,
             padding = padding,
+            navigateToFolder = navigateToFolder,
             navigateToPdf = navigateToPdf
         )
     }

feature/explore/src/main/java/kr/co/widget/FolderBox.kt

@@ -2,6 +2,7 @@ package kr.co.widget
 
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
@@ -13,6 +14,7 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 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.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
@@ -25,9 +27,12 @@ import kr.co.ui.theme.Theme
 internal fun FolderBox(
     name: String,
     modifier: Modifier = Modifier,
+    onClick: () -> Unit = {}
 ) {
     Box(
         modifier = modifier
+            .clip(RoundedCornerShape(8.dp))
+            .clickable(onClick = onClick)
             .border(
                 width = 1.dp,
                 color = Theme.colors.grayText,

feature/main/src/main/java/kr/co/main/navigation/MainNavHost.kt

@@ -3,6 +3,7 @@ package kr.co.main.navigation
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.runtime.Composable
 import androidx.navigation.compose.NavHost
+import kr.co.navigation.MainNavigation
 import kr.co.navigation.Route
 import kr.co.navigation.bookmarkNavGraph
 import kr.co.navigation.exploreNavGraph
@@ -20,7 +21,8 @@ internal fun MainNavHost(
     ) {
         exploreNavGraph(
             padding = padding,
-            navigateToPdf = { navigator.navigate(Route.Pdf){null} }
+            navigateToFolder = { navigator.navigate(MainNavigation.Explore(it)) },
+            navigateToPdf = { navigator.navigate(Route.Pdf) }
         )
 
         recentNavGraph(

feature/main/src/main/java/kr/co/main/navigation/MainNavigator.kt

@@ -20,7 +20,7 @@ internal class MainNavigator(
         @Composable get() = navController
             .currentBackStackEntryAsState().value?.destination
 
-    val startDestination: MainNavigation = MainNavigation.Explore
+    val startDestination: MainNavigation = MainNavigation.Explore()
 
     @Composable
     fun currentTab(): MainTab? =
@@ -47,7 +47,7 @@ internal class MainNavigator(
         navController.navigate(T::class, navOptions(builder))
     }
 
-    fun <T : Any> navigate(route: T, builder: NavOptionsBuilder.() -> Unit) {
+    fun <T : Any> navigate(route: T, builder: NavOptionsBuilder.() -> Unit = {}) {
         navController.navigate(route, navOptions(builder))
     }
 

feature/main/src/main/java/kr/co/main/navigation/MainTab.kt

@@ -13,7 +13,7 @@ internal enum class MainTab(
     Explore(
         icon = SeeDocsIcon.Explore,
         contentDescription = "Explore",
-        route = MainNavigation.Explore,
+        route = MainNavigation.Explore(),
     ),
     Recent(
         icon = SeeDocsIcon.RecentFill,