fix(strings): file upload limit message

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/androidTest/java/com/nextcloud/strings/StringsTests.kt

@@ -0,0 +1,37 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Alper Ozturk <alper.ozturk@nextcloud.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+package com.nextcloud.strings
+
+import android.content.Context
+import androidx.test.platform.app.InstrumentationRegistry
+import com.nextcloud.client.jobs.upload.FileUploadHelper.Companion.MAX_FILE_COUNT
+import com.owncloud.android.R
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+
+class StringsTests {
+
+    private lateinit var context: Context
+
+    @Before
+    fun setup() {
+        context = InstrumentationRegistry.getInstrumentation().targetContext
+    }
+
+    @Test
+    fun testMaxFileCountText() {
+        val message = context.resources.getQuantityString(
+            R.plurals.file_upload_limit_message,
+            MAX_FILE_COUNT,
+            MAX_FILE_COUNT
+        )
+
+        assertEquals(message, "You can upload up to 500 files at once.")
+    }
+}

app/src/main/java/com/nextcloud/client/jobs/upload/FileUploadHelper.kt

@@ -73,7 +73,6 @@ class FileUploadHelper {
     companion object {
         private val TAG = FileUploadWorker::class.java.simpleName
 
-        @Suppress("MagicNumber")
         const val MAX_FILE_COUNT = 500
 
         val mBoundListeners = HashMap<String, OnDatatransferProgressListener>()
@@ -501,6 +500,7 @@ class FileUploadHelper {
     fun showFileUploadLimitMessage(activity: Activity) {
         val message = activity.resources.getQuantityString(
             R.plurals.file_upload_limit_message,
+            MAX_FILE_COUNT,
             MAX_FILE_COUNT
         )
         DisplayUtils.showSnackMessage(activity, message)