How to use external SD cards, USB disks and Dropbox
There is a bit of confusion about how to access external SD card. It’s visible and accessible by default, but since Floating Apps uses standard file system mechanism for accessing it, it’s read-only.
For apps like Image Viewer, Music Player or Document Viewer, it’s not a problem as read-only access is good enough.
For the file manager, however, this limitation disallows to copy or move files to the external SD card and rename or delete them.
From Floating Apps 4.7, there is a new option Storages in the menu where an external SD card can be added. But this doesn’t grant permission to write to the external SD card with the standard file system access. You must switch to the newly created option!
Let’s see it step-by-step…
1. Open the main app, go to Storages in the menu and tap on Add storage button. In the Android’s file picker, navigate to the root folder of an external SD card or USB disk and tap SELECT (it may be also Select all on some devices). Name your newly added storage and voilà you’re done. You can also connect with Dropbox here ;-).
2. However, this is not enough! It doesn’t grant the permission to access the external SD card with the standard file access. You must switch to the newly added storage. Open the floating File Manager and tap the cog icon in the panel header. As you can see, there are two options to access the same data. In the red rectangle, it’s the standard file system access way. In the green rectangle, there is our newly added storage. There is a difference between them – for the standard file system access way, a red icon signalizing that the storage is read-only is shown.
3. For other apps, changing storages is “hidden” under the hamburger icon in the left top corner. For example, when saving a file in the floating Text Editor, you are even not allowed to switch to read-only volume.
Why two ways how to access the same data?
We could simply remove the standard file system access that is read-only, but for the majority of users, read-only is good enough as they use Floating Apps for accessing files rather than creating or manipulating them.
USB disks and Dropbox?
Well, it works exactly the same way except that there is no confusion. For USB disks and Dropbox, there is no way how to access them using the standard file system access, so they are not visible until you add them (or link your account for Dropbox).
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