Fixed: Medical wikimedia (mini) keeps crashing. #4007
Merged
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Fixes #4000
zimFiles()
method. In this method, we add directories to a non-null list of files. However, when attempting to retrieve the list of files from the application directory, the SD card path was null due to the SD card being unmounted, which caused the application to crash.zimFiles()
andobbFiles()
methods to return only existing, non-null directories. This ensures proper handling of file system detection, so if a directory is unavailable or returns null, these methods handle it appropriately.