i have requested permissions and allow permission request on oreo android and i tried to create folder in the root of internalstorage using getExternalStorageDirectory() and Directory.create(). but folder is not created (no file access) while this code works finely on other android versions below sdk 27.
my flutter doctor:
[!] Android toolchain - develop for Android devices (Android SDK 28.0.3)
X Android license status unknown.
[√] Android Studio (version 3.2)
[√] VS Code (version 1.29.1)
[√] VS Code, 64-bit edition (version 1.26.1)
[√] Connected device (1 available)
! Doctor found issues in 1 category.
please help me find solution.Thanks in advance