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[Anke]

Here is just a small selection:

And tell us which file is saved - media [jpg, png, mp3,...] or non-media [txt, csv, pdf,...].

Error 2101 with the .APK

If the File was created by Companion before you try to test with the APK, it does not work, because the file was created by another app and no longer be overwritten / accessed by a new app (on Android 11+). Two options: delete the file via Companion before closing Companion or the file name must be different with Companion and APK. See also here:

Using storage scope type app to share data between screens

This one doesn't work with Companion and the compiled APK on Android 11+ as it doesn't delete the text file when Companion or the APK is closed. Therefore, after testing with Companion, the file cannot be overwritten via the APK and vice versa. So either you do not test with Companion or delete the file via Companion before closing Companion or the file name must be different with Companion and APK. Note: If the user uninstalls and reinstalls the app it does not work anymore, because the…

Saving and reading files with android 11

Please always post a link to it (and "if possible", spell the (my) name correctly ("Anke"): This test aia works fine. Try also this test app (and follow the notes): saveToShared_2.aia (3.0 KB) [grafik] Non-media file that are saved in one of the Shared folders (/Documents or /Download) MUST be created by the app itself. The APK and the Companion app are different apps. So the text file must be removed before testing (with Companion or APK beforehand). See also here:

Send data to text file then read with a different App

We don't yet know exactly what the purpose / goal is. However, if it is to be done with another app, then this app can use SAF for it.

Copy to shared Folder "Download" when using TaifunFile not works

What information and where does it come from? Is this information from the respective user or general information? What exactly is the goal / purpose of your app? Therefore, in my guide, I always point out to explain what exactly the goal is. Which images? Where do they come from? Fragen über Fragen! Also erkläre mal, worum es eigentlich geht. *___________________ Nachtrag: Die Bilder (25-80MB) kannst du im Shared storage speichern (e.g. /DCIM/myImages/... oder /Pictures/myImage…

Some basics on Android storage system

From an Android point of view there are an → Internal Storage and an → External Storage . 1. Internal Storage The Internal Storage can only be accessed with a rooted device. 1.1 The app package is saved in /data/data/<packageName>/ In order to be able to debug your app, AI2 saves the assets for → Companion on devices with Android ≥ 10 (API ≥ 29): /storage/emulated/0/Android/data/edu.mit.appinventor.aicompanion3/files/assets/ Android < 10 : /storage/emulated/0/Android/data/edu.mit.a…