To open the file manager and let the user select an APK file, you can use an Intent with the action ACTION_OPEN_DOCUMENT_TREE or directly open a specific directory with ACTION_OPEN_DOCUMENT . However, to specifically target APK files, using ACTION_GET_CONTENT with a type filter might be more straightforward.
A system prompt will appear asking if you want to install this application. Select . open file manager and complete midiagapk installation hot