Fixed bug for older devices

Hoping that the viewer crashing bug is fixed
Version 2.11

app/src/main/java/xyz/quaver/pupil/util/file.kt

@@ -1,15 +1,24 @@
 package xyz.quaver.pupil.util
 
 import android.content.Context
+import android.os.Build
 import android.os.Environment
 import android.provider.MediaStore
+import androidx.core.content.ContextCompat
 import java.io.File
 
 fun getCachedGallery(context: Context, galleryID: Int): File {
-    return File(context.getExternalFilesDir("Pupil"), galleryID.toString()).let {
+    return File(getDownloadDirectory(context), galleryID.toString()).let {
         when {
             it.exists() -> it
             else -> File(context.cacheDir, "imageCache/$galleryID")
         }
     }
+}
+
+fun getDownloadDirectory(context: Context): File? {
+    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+        context.getExternalFilesDir("Pupil")
+    else
+        File(Environment.getExternalStorageDirectory(), "Pupil")
 }