I\'ve seen this dialog to pick/open a file on android in some apps and it seems to me as the native one. But I can\'t find a way to use it in my own apps. The language of th
That appears to be the system UI for the Storage Access Framework. You would use ACTION_OPEN_DOCUMENT
to allow the user to open an existing document, or ACTION_CREATE_DOCUMENT
to allow the user to create a new document.
However, this is not a file UI. It is a content UI. The user can browse things that are not locally stored — in the screenshot, the user can browse their Google Drive and One Drive areas. And, what you get is a Uri pointing to content, not a file path.