Fix show Windows file separator error.

Author: Tans5

app/build.gradle

@@ -12,8 +12,8 @@ android {
         applicationId "com.tans.tfiletransporter"
         minSdkVersion 26
         targetSdkVersion 30
-        versionCode 2
-        versionName "1.0.1"
+        versionCode 3
+        versionName "1.0.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/com/tans/tfiletransporter/ui/activity/filetransport/MyDirFragment.kt

@@ -86,27 +86,30 @@ class MyDirFragment : BaseFragment<MyDirFragmentBinding, MyDirFragmentState>(R.l
             .flatMapSingle { oldTree ->
                 if (!oldTree.notNeedRefresh) {
                     updateState { oldState ->
-                        val path =
-                            if (oldTree.isRootFileTree()) homePath else Paths.get(homePathString + oldTree.path)
-                        val children = Files.list(path).map { p ->
-                            if (Files.isDirectory(p)) {
-                                DirectoryYoungLeaf(
-                                    name = p.fileName.toString(),
-                                    childrenCount = Files.list(p).let { s ->
-                                        val size = s.count()
-                                        s.close()
-                                        size
-                                    },
-                                    lastModified = Files.getLastModifiedTime(p).toMillis()
-                                )
-                            } else {
-                                FileYoungLeaf(
-                                    name = p.fileName.toString(),
-                                    size = Files.size(p),
-                                    lastModified = Files.getLastModifiedTime(p).toMillis()
-                                )
-                            }
-                        }.toList()
+                        val path = if (oldTree.isRootFileTree()) homePath else Paths.get(homePathString + oldTree.path)
+                        val children = if (Files.isReadable(path)) {
+                            Files.list(path).filter { Files.isReadable(it) }.map { p ->
+                                if (Files.isDirectory(p)) {
+                                    DirectoryYoungLeaf(
+                                            name = p.fileName.toString(),
+                                            childrenCount = Files.list(p).let { s ->
+                                                val size = s.count()
+                                                s.close()
+                                                size
+                                            },
+                                            lastModified = Files.getLastModifiedTime(p).toMillis()
+                                    )
+                                } else {
+                                    FileYoungLeaf(
+                                            name = p.fileName.toString(),
+                                            size = Files.size(p),
+                                            lastModified = Files.getLastModifiedTime(p).toMillis()
+                                    )
+                                }
+                            }.toList()
+                        } else {
+                            emptyList()
+                        }
                         oldState.copy(
                             fileTree = children.refreshFileTree(oldTree),
                             selectedFiles = emptySet()

app/src/main/java/com/tans/tfiletransporter/ui/activity/filetransport/RemoteDirFragment.kt

@@ -90,9 +90,10 @@ class RemoteDirFragment : BaseFragment<RemoteDirFragmentBinding, RemoteDirState>
                                             }
                                         oldState.copy(
                                             fileTree = Optional.of(
-                                                children.refreshFileTree(
-                                                    oldTree
-                                                )
+                                                    children.refreshFileTree(
+                                                            parentTree = oldTree,
+                                                            dirSeparator = fileTransportScopeData.remoteDirSeparator
+                                                    )
                                             ), selectedFiles = emptySet()
                                         )
                                     }.map {

app/src/main/java/com/tans/tfiletransporter/ui/activity/filetransport/activity/FileTransportActivityWriter.kt

@@ -45,32 +45,37 @@ suspend fun newFolderChildrenShareWriterHandle(
 ): FolderChildrenShareWriterHandle {
     val jsonData = withContext(Dispatchers.IO) {
         val path = Paths.get(FileConstants.homePathString + parentPath)
-        val children = Files.list(path)
-            .map { p ->
-                val name = p.fileName.toString()
-                val lastModify = OffsetDateTime.ofInstant(Instant.ofEpochMilli(Files.getLastModifiedTime(p).toMillis()), ZoneId.systemDefault())
-                val pathString = if (parentPath.endsWith(FileConstants.FILE_SEPARATOR)) parentPath + name else parentPath + FileConstants.FILE_SEPARATOR + name
-                if (Files.isDirectory(p)) {
-                    Folder(
-                        name = name,
-                        path = pathString,
-                        childCount = p.let {
-                            val s = Files.list(it)
-                            val size = s.count()
-                            s.close()
-                            size
-                        },
-                        lastModify = lastModify
-                    )
-                } else {
-                    File(
-                        name = name,
-                        path = pathString,
-                        size = Files.size(p),
-                        lastModify = lastModify
-                    )
-                }
-            }.toList()
+        val children = if (Files.isReadable(path)) {
+            Files.list(path)
+                    .filter { Files.isReadable(it) }
+                    .map<Any> { p ->
+                        val name = p.fileName.toString()
+                        val lastModify = OffsetDateTime.ofInstant(Instant.ofEpochMilli(Files.getLastModifiedTime(p).toMillis()), ZoneId.systemDefault())
+                        val pathString = if (parentPath.endsWith(FileConstants.FILE_SEPARATOR)) parentPath + name else parentPath + FileConstants.FILE_SEPARATOR + name
+                        if (Files.isDirectory(p)) {
+                            Folder(
+                                    name = name,
+                                    path = pathString,
+                                    childCount = p.let {
+                                        val s = Files.list(it)
+                                        val size = s.count()
+                                        s.close()
+                                        size
+                                    },
+                                    lastModify = lastModify
+                            )
+                        } else {
+                            File(
+                                    name = name,
+                                    path = pathString,
+                                    size = Files.size(p),
+                                    lastModify = lastModify
+                            )
+                        }
+                    }.toList()
+        } else {
+            emptyList()
+        }
         val responseFolder = ResponseFolderModel(
             path = parentPath,
             childrenFiles = children.filterIsInstance<File>(),