B4A Class ExternalStorage - Access SD cards and USB sticks - Erel    Nov 11, 2020   (59 reactions)   tags: File, Access SD and USB, externsl sd, storage https://www.b4x.com/basic4android/images/SS-2018-03-05_11.16.42.png
Before we start:
External 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 hi erel,
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?
monki.... B4A Question [Code snippet] Transfer files from Android to ESP8266-ESP32 micro SD Card in plain TCP (no FTP) - max123    Nov 17, 2022   (4 reactions) Android to ESP8266-ESP32 micro sd card (over network).
Because I don't wanted to use an FTP library... on ESP SD Card, then B4A send the info string containing the file name, size and other stuff... B4R Tutorial SD cards - Erel    Apr 19, 2016   (9 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:
For... 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?
IE:
If File.Exists... 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 Read sd card information - Hamied Abou Hulaikah    Feb 26, 2023 .InitializeContext.RunMethod("getExternalSdCARDId",Null))
End If
End Sub
#IF JAVA
import java.io.*;
public String getExternalSdCARDId() {
String path2 = "/sys/block... B4A Question How to access the whole of external SD card? - Inman    Feb 20, 2018 some files to external SD card (not internal SD card returned by File.DirRootExternal). I specifically need access to the root of the external SD card as the files are to be copied to a folder.... This stackoverflow post talks about it. https://stackoverflow.com/questions/26744842/how-to-use-the-new-sd-card-access-api-presented-for-android-5-0-lollipop What I am trying to do is display a folder picker that shows both internal and external sd cards, let the user select a folder and then copy some... 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 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... Page: 1   2   3   4   5   6   |