Merge pull request #13 from ItzNotABug/misc-updates

Misc updates

Author: ItzNotABug

dfc/build.gradle

@@ -22,11 +22,11 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = JavaVersion.VERSION_17.toString()
     }
 }

dfc/src/main/java/com/lazygeniouz/dfc/resolver/ResolverCompat.kt

@@ -81,8 +81,11 @@ internal object ResolverCompat {
      */
     internal fun count(context: Context, uri: Uri): Int {
         val childrenUri = createChildrenUri(uri)
-        getCursor(context, childrenUri, iconProjection)?.use { cursor -> return cursor.count }
-        return 0
+        return getCursor(
+            context,
+            childrenUri,
+            iconProjection
+        )?.use { cursor -> return cursor.count } ?: 0
     }
 
     /**
@@ -108,6 +111,17 @@ internal object ResolverCompat {
         val listOfDocuments = arrayListOf<DocumentFileCompat>()
 
         getCursor(context, childrenUri, fullProjection)?.use { cursor ->
+            val itemCount = cursor.count
+            /**
+             * Pre-sizing the list to avoid resizing overhead.
+             * This is especially beneficial for directories with a large number of files.
+             *
+             * Memory comparison for 8192 files:
+             * 1. With pre-sizing: 3.10 MB
+             * 2. Without pre-sizing: 9.60 MB
+             */
+            if (itemCount > 10) listOfDocuments.ensureCapacity(itemCount)
+
             while (cursor.moveToNext()) {
                 val documentId: String = cursor.getString(0)
                 val documentUri = DocumentsContract.buildDocumentUriUsingTree(uri, documentId)