fix: set progress after computing total size (#253)

Refs: https://github.com/FossifyOrg/File-Manager/issues/251

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Fixed empty storage usage bars on initial load ([#251])
 
 ## [1.2.0] - 2025-07-12
 ### Changed
@@ -58,6 +60,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#149]: https://github.com/FossifyOrg/File-Manager/issues/149
 [#150]: https://github.com/FossifyOrg/File-Manager/issues/150
 [#176]: https://github.com/FossifyOrg/File-Manager/issues/176
+[#251]: https://github.com/FossifyOrg/File-Manager/issues/251
 
 [Unreleased]: https://github.com/FossifyOrg/File-Manager/compare/1.2.0...HEAD
 [1.2.0]: https://github.com/FossifyOrg/File-Manager/compare/1.1.0...1.2.0

app/src/main/kotlin/org/fossify/filemanager/fragments/StorageFragment.kt

@@ -95,7 +95,6 @@ class StorageFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
                 }
 
                 totalSpace.text = String.format(context.getString(R.string.total_storage), "…")
-                getSizes(volumeName)
 
                 if (volumeNames.size > 1) {
                     root.children.forEach { it.beGone() }
@@ -155,8 +154,7 @@ class StorageFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
         val tealColor = context.resources.getColor(R.color.md_teal_700)
         val pinkColor = context.resources.getColor(R.color.md_pink_700)
 
-        volumes.entries.forEach { (it, volumeBinding) ->
-            getSizes(it)
+        volumes.values.forEach { volumeBinding ->
             volumeBinding.apply {
                 mainStorageUsageProgressbar.setIndicatorColor(properPrimaryColor)
                 mainStorageUsageProgressbar.trackColor = properPrimaryColor.adjustAlpha(LOWER_ALPHA)
@@ -335,6 +333,7 @@ class StorageFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
                     freeSpaceValue.text = freeStorageSpace.formatSizeThousand()
                     totalSpace.text = String.format(context.getString(R.string.total_storage), totalStorageSpace.formatSizeThousand())
                     freeSpaceLabel.beVisible()
+                    getSizes(volumeName)
                 }
             }
         }
@@ -365,7 +364,6 @@ class StorageFragment(context: Context, attributeSet: AttributeSet) : MyViewPage
             } else {
                 showProgressBar()
                 ensureBackgroundThread {
-                    val start = System.currentTimeMillis()
                     val filtered = allDeviceListItems.filter { it.mName.contains(text, true) }.toMutableList() as ArrayList<ListItem>
                     if (lastSearchedText != text) {
                         return@ensureBackgroundThread