Bug fix

app/src/main/java/xyz/quaver/pupil/Pupil.kt

@@ -23,6 +23,8 @@ import android.app.Notification
 import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.content.Context
+import android.content.Intent
+import android.net.Uri
 import android.os.Build
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.content.ContextCompat
@@ -95,6 +97,12 @@ class Pupil : Application() {
 
         try {
             Preferences.get<String>("download_folder").also {
+                if (Build.VERSION.SDK_INT > 19)
+                    contentResolver.takePersistableUriPermission(
+                        Uri.parse(it),
+                        Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                    )
+
                 if (!FileX(this, it).canWrite())
                     throw Exception()
             }