Trying to adjust an old project

[Taifun]

@luis_matheu

when trying outside the app tried Legacy, shared all scopes and combinations of thereof

Use file scope Legacy and for your tests make sure, the file /Documents/oportunidad.csv not already exists before trying to store

@luis_matheu

What is the extension for storing a csv file with the click of a button?

Use the file component and its SaveFile method, no extension needed

@luis_matheu

and with the click of another button get it in to a lable.

Again use the file component and its ReadFrom method

See also Storage

@luis_matheu

but can not read from it

Important is, who is the owner of the file. If it is not your app, you have to use SAF as already mentioned

Are you planning to publish your app in Google Play? If not you can follow the tutorial here and avoid using SAF

How to request and grant MANAGE_EXTERNAL_STORAGE permission

In this guide I show you, how to request and grant → MANAGE_EXTERNAL_STORAGE on devices with Android 11+. Be aware that this permission is usually not granted by Google. However, let’s assume the app is only intended for private use or for special users or for other app stores. This permission must be declared in the Manifest (since it is not declared the Companion app you can't test this with Companion): <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/> Here is a s…

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