Added support for AVIF

app/src/main/java/eu/faircode/email/DB.java

@@ -427,6 +427,9 @@ public abstract class DB extends RoomDatabase {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
             for (String img : ImageHelper.IMAGE_TYPES8)
                 image.add("'" + img + "'");
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
+            for (String img : ImageHelper.IMAGE_TYPES12)
+                image.add("'" + img + "'");
         String images = TextUtils.join(",", image);
 
         db.execSQL("CREATE TRIGGER IF NOT EXISTS attachment_insert" +

app/src/main/java/eu/faircode/email/ImageHelper.java

@@ -109,11 +109,20 @@ class ImageHelper {
             "image/heif"
     ));
 
+    // https://developer.android.com/about/versions/12/features#avif
+    static final List<String> IMAGE_TYPES12 = Collections.unmodifiableList(Arrays.asList(
+            "image/avif"
+    ));
+
     static boolean isImage(String mimeType) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
             if (IMAGE_TYPES8.contains(mimeType))
                 return true;
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
+            if (IMAGE_TYPES12.contains(mimeType))
+                return true;
+
         return IMAGE_TYPES.contains(mimeType);
     }