Android Question Error write external storage

devmobile · Dec 12, 2017

I use notification builder in my app

B4X:

Dim nb As NotificationBuilder
    nb.Initialize
    nb.AutoCancel        = True
    nb.DefaultLight     = True
    nb.DefaultSound        = True
    nb.DefaultVibrate    = True
    nb.ContentTitle     = "Alert"
    nb.ContentText         = "Body"
    nb.CustomSound        = File.Combine(File.DirRootExternal,"notification.mp3")

In my app,i dont need to write external storage but this library need to copy noification sound in external storage
and play from it
Is there way for prevent use external storage write permission?

NJDude · Dec 12, 2017

Two things:

1- Target SDK <= 22
2- Do Not save to Root external, if the user uninstalls your app, all the files you copied there (in this case .MP3) will remain and they will take unnecessary space, better save them on DirDefaultExternal.

devmobile · Dec 12, 2017

NJDude said:
Two things:

1- Target SDK <= 22
2- Do Not save to Root external, if the user uninstalls your app, all the files you copied there (in this case .MP3) will remain and they will take unnecessary space, better save them on DirDefaultExternal.

Thanka but is it working for notification builder?

NJDude · Dec 12, 2017

If the notification builder lib has a minimum SDK requirement and is SDK > 22 then there's no way to prevent that you will have to handle the permissions.

There's a way to save to the external storage based on your package name, you could do a quick search on the forums.

devmobile · Dec 12, 2017

NJDude said:
If the notification builder lib has a minimum SDK requirement and is SDK > 22 then there's no way to prevent that you will have to handle the permissions.

There's a way to save to the external storage based on your package name, you could do a quick search on the forums.

Ok thanks

devmobile · Dec 13, 2017

NJDude said:
If the notification builder lib has a minimum SDK requirement and is SDK > 22 then there's no way to prevent that you will have to handle the permissions.

There's a way to save to the external storage based on your package name, you could do a quick search on the forums.

I use DirDefaultExternal instead of DirExternalRoot in every where of my project
And it working
Maybe have problem in some device due to use DirDefaultExternal?

Android Question Error write external storage

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