ui: fix u-disk availsize in tvsetting display error

fix some fat32 u-disks (SanDisk、Kingston) availsize information in tvsetting display error

Bug：issues/318788249
Test：plug in u-disk and enter tvsetting to check u-disk information
Change-Id: 18b75bb716110e0e79ee55c3a70b11755217abe2

Change-Id: I7422338bcee604b34e1e383780cb51eafc278780

1 files changed, 8 insertions, 2 deletions

diff --git a/Settings/src/com/android/tv/settings/device/storage/StorageFragment.java b/Settings/src/com/android/tv/settings/device/storage/StorageFragment.java
index b3e16b757..d6629f3b8 100644
--- a/Settings/src/com/android/tv/settings/device/storage/StorageFragment.java
+++ b/Settings/src/com/android/tv/settings/device/storage/StorageFragment.java
@@ -235,9 +235,15 @@ public class StorageFragment extends SettingsPreferenceFragment {
                 Environment.DIRECTORY_DOWNLOADS);
 
         try {
-            mAvailablePref.setSize(mStorageManager.getAllocatableBytes(
-                    StorageManager.convert(mVolumeInfo.fsUuid)));
+            long availSize = mStorageManager.getAllocatableBytes(
+                    StorageManager.convert(mVolumeInfo.fsUuid));
+            if (availSize <= 0) {
+                availSize = details.availSize;
+            }
+            Log.i(TAG, "details availSize:" + availSize);
+            mAvailablePref.setSize(availSize);
         } catch (IOException | IllegalArgumentException e) {
+            Log.i(TAG, "details availSize:" + details.availSize);
             mAvailablePref.setSize(details.availSize);
         }
         mAppsUsagePref.setSize(details.appsSize.get(currentUser));