Android Question Can not Create a Folder or Copy files

[Dogbonesix]

After SdkVersion="26" it seems I cannot create Folders and some problems with copying files. I have not spent too much time on copying files but getting frustrated with creating Folders - and I think the problems are related. Attached is a sample program - No errors but the Folder is not created. Any help is appreciated.

 

[ac9ts]

See https://www.b4x.com/android/forum/threads/runtime-permissions-android-6-0-permissions.67689/

 

[DonManfred]

and I think the problems are related

android.jar / targetSdkVersion / minSdkVersion

Especially RuntimePermissions

Using targetsdk 23+ you need to use RuntimePermissions. No matter if you want to copy files or create folders. You can´t if you do not have the permission.

 

[Dogbonesix]

I added the RP permissions in the sample I had attached and placed 'Private rp As RuntimePermissions' in Process_Globals along with
AddManifestText(
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
android:maxSdkVersion="18" />
)
in the manifest - and it works.

There is still a warning rp is never assigned any value. My sample was only an extract of a larger program and all of the changes already were implemented. At least I have a working sample. Thanks

 

[Peter Simpson]

Here you go @Dogbonesix

'Try this
    Dim RP As RuntimePermissions
        RP.CheckAndRequest(RP.PERMISSION_WRITE_EXTERNAL_STORAGE)
    Wait For Activity_PermissionResult (Permission As String, Result As Boolean)
    If Result Then
        Log("Permission granted")
    Else
        Log("Permission denied")
    End If

Enjoy...

 

[Semen Matusovskiy]

Should be very serious reasons to use File.DirRootExternal, File.DirDefaultExternal.
Correct way (if possible) to use RuntimePermissions.GetSafeDirDefaultExternal without permission, which seriously confuses users.
See https://www.b4x.com/android/forum/threads/runtime-permissions-android-6-0-permissions.67689/