Android Question simple question about file.dirrootexternal

[saeed10051]

Dear All,
l am reviewing following thread

Text files

Many applications require access to a persistent storage. The two most common storage types are files and databases. We will cover text files in this tutorial. The predefined Files object has several utility methods for working with text files which are pretty easy to use. Files locations -...

www.b4x.com

i have an application with a csv file and some pics, currently i am placing all of these in DirAsset so that it becomes part of my apk file. But i want to keep these files in the sd card of my mobile in a specific folder and want to upload the contents while running my app. Is there a simple example of loading the data from a csv file and loading pics from sd card. There are some runtime permissions also that need to be given in this case.

 

[drgottjr]

sd card info here

 

[saeed10051]

sd card info here

Thanks Boss. It seems complicated, i am trying to understand how to use it in my project.

 

[drgottjr]

the link provided clearly explains what is involved. (eg, you wanted to know about permissions. it is explained in the link)
if you download and run the example, you see exactly what is involved. (did you do that?)
you then take the parts you need and incorporate them into your project.

do you know how to load a file (csv, text, image) from file.dirassets? from file.dirinternal? well, this is just like that, only android doesn't allow direct access to sd cards anymore. as is explained in the link, it is very difficult now to access an sd card. you need to use the example to simplify that access. OR you need to set your target sdk to android os 4 (also explained in the link.)

 

[DonManfred]

You can still use File.DirRootExternal, it is an internal sdcard though but you are able to access it using RuntimePermissions.

If it is a must for you to access an external sdcard then you need to get familar with the StorageAccessFramework. The external Storage class - as mentioned by @drgottjr - is mandatory if you want access external sdcards or usb-discs.