Allow directory creation on exposed volumes

app/build.gradle

@@ -21,7 +21,7 @@ if (hasProperty("nosplits")) {
 
 android {
     compileSdk 34
-    ndkVersion "25.2.9519653"
+    ndkVersion "26.1.10909125"
     namespace "sushi.hardcore.droidfs"
 
     compileOptions {
@@ -58,6 +58,7 @@ android {
         splits {
             abi {
                 enable true
+                reset() // fix unknown bug (https://ru.stackoverflow.com/questions/1557805/abis-armeabi-mips-mips64-riscv64-are-not-supported-for-platform)
                 universalApk true
             }
         }

app/src/main/java/sushi/hardcore/droidfs/FileTypes.kt

@@ -6,7 +6,7 @@ object FileTypes {
     private val FILE_EXTENSIONS = mapOf(
         Pair("image", listOf("png", "jpg", "jpeg", "gif", "webp", "bmp", "heic")),
         Pair("video", listOf("mp4", "webm", "mkv", "mov")),
-        Pair("audio", listOf("mp3", "ogg", "m4a", "wav", "flac")),
+        Pair("audio", listOf("mp3", "ogg", "m4a", "wav", "flac", "opus")),
         Pair("pdf", listOf("pdf")),
         Pair("text", listOf(
             "asc",

app/src/main/java/sushi/hardcore/droidfs/content_providers/VolumeProvider.kt

@@ -236,14 +236,21 @@ class VolumeProvider: DocumentsProvider() {
     ): String? {
         if (!usfExpose || !usfSafWrite) return null
         val document = parseDocumentId(parentDocumentId) ?: return null
-        val newFile = PathUtils.pathJoin(document.path, displayName)
-        val f = document.encryptedVolume.openFileWriteMode(newFile)
-        return if (f == -1L) {
-            Log.e(TAG, "Failed to create file: $document")
-            null
+        val path = PathUtils.pathJoin(document.path, displayName)
+        var success = false
+        if (mimeType == DocumentsContract.Document.MIME_TYPE_DIR) {
+            success = document.encryptedVolume.mkdir(path)
         } else {
-            document.encryptedVolume.closeFile(f)
-            document.rootId+newFile
+            val f = document.encryptedVolume.openFileWriteMode(path)
+            if (f != -1L) {
+                document.encryptedVolume.closeFile(f)
+                success = true
+            }
+        }
+        return if (success) {
+            document.rootId+path
+        } else {
+            null
         }
     }
 

build.gradle

@@ -1,11 +1,11 @@
 buildscript {
-    ext.kotlin_version = '1.9.0'
+    ext.kotlin_version = '1.9.22'
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.1'
+        classpath 'com.android.tools.build:gradle:8.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

gradle.properties

@@ -15,4 +15,5 @@ android.useAndroidX=true
 kotlin.code.style=official
 
 android.native.buildOutput=verbose
-android.nonTransitiveRClass=false
+android.nonTransitiveRClass=false
+org.gradle.configuration-cache=true