diff -r 26a817fe1b07 android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
--- a/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java	Sun Sep 02 23:57:06 2018 +0300
+++ b/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java	Mon Sep 03 14:21:30 2018 -0600
@@ -702,8 +702,13 @@
     public void setOrientationBis(int w, int h, boolean resizable, String hint) 
     {
         int orientation = -1;
+        boolean set_unspecified = false; // SCREEN_ORIENTATION_UNSPECIFIED is -1 also
 
-        if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
+        if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft") &&
+            hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) {
+            orientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+            set_unspecified = true;
+        } else if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
         } else if (hint.contains("LandscapeRight")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
@@ -718,7 +723,7 @@
         }
 
         /* no valid hint */
-        if (orientation == -1) {
+        if (orientation == -1 && !set_unspecified) {
             if (resizable) {
                 /* no fixed orientation */
             } else {