B4A Class ExternalStorage - Access SD cards and USB sticks - Erel    Nov 11, 2020   (57 reactions)   tags: File, Access SD and USB, externsl sd, storage
storage means a real sd card or a connected mass storage USB device.
This class can also be used to... RuntimePermissions.GetAllSafeDirsExternal to directly access a specific folder on the SD card.
You can use...
B4A Question how to ext. SD Card write on Android 4.4. - monki    Jun 19, 2014
in Android 4.4 it is only possible to write to the external SD card in a directory whose name Andoid / data / "apk name".
But as it is created?
B4R Tutorial SD cards - Erel    Apr 19, 2016   (8 reactions)
The rSD library allows reading and writing to SD cards. The Ethernet shield as well as other shields include a SD slot.
The steps required to work with files:
1. Initialize a SD object. You need to... the data file. The data file is then manually copied to the sd card.
This is the important code:
B4A Question File.DirRootExternal not the path of the sd-card? - Alexander Stolte    Jan 19, 2017
Hello, In the theory you get with DirRootExternal the path of an external storage media or sd-card. Is that right? Because with me comes a completely different path out and try to save something under the path it saves it always on the device not on the SD. I add this permission to the manifest editor: AddPermission("android.permission.WRITE_EXTERNAL_STORAGE") And writeable is true. Or is there another way to save the sd card? All tutorials I have read have been based...
B4A Question [Solution found] Does SD Card exist? - Roger Daley    Sep 14, 2021
current method to determine if a physical SD Card is fitted to the device?
B4R Question SOLVED - SD card adapter tyep, Max SD card size / format - Robert Valentino    Apr 15, 2020
Want to hook a SD card on to my ESP8266EX
What sd cards adaptors are you guys using (known to work)
What is the max sd card size I can use in the adapter (have an old 16gig) I have read use fat16...
B4A Question External SD Card Root Folder - tdocs2    Oct 21, 2012
How do I get the name of the External SD Card Root Folder? I have searched for hours and experimented with my own code, but to no avail. The File.DirRootExternal returns the internal storage root folder name. My objective is: In any device, I want to get a file list in a folder in the external SD card. I can do this in the internal storage by using File.DirRootExternal. Thank you....
B4A Question External SD Card on Android 5+ - chrjak    Jan 21, 2017
Hey Community I managed all permissions and i have the permission for the external sd. nevertheless i get a Permission denied error when i try to write on my sd card i saw many apps that somehow call the system file manager(?) and say you have to select the sd and click ok. after that they can access my sd card How can i call this? i have the samsung galaxy s7 edge I found an example which uses that feature: AirDroid https://www.dropbox.com/s/8ja3j5n183wjbjn/Screenshot%202017-01-21%2020.33...
B4R Question Write different data to SD card - Mostez    Sep 27, 2016
Hello, I want to save data to sd card file 'log.dat' as follows: CardID,UserName,Date_Time(hh:mm:ss,yy/mm/dd) Date_Time components are public variables from timer sub, CardID and UserNameare... 'how can I load card number, time elements, and string into array If Sd.OpenReadWrite... As String Dim Card_Number As ULong 'Log(BC.HexFromBytes(Buffer)) If BC.ArrayCompare(Buffer,BufferLast) = 0 Then 'compare last read card to recent one Return End If...
B4A Question android 11 sd card android/data folder empty - RB Smissaert    Feb 10, 2021
on the SD card shows as empty although there are for sure files in there as I use it to store my SQLite... there be a problem with this SD card? I can see other folders on this card fine.
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