diff --git a/mobile/android/base/GeckoAppShell.java b/mobile/android/base/GeckoAppShell.java
index 557458adbe6f..54db507a49a9 100644
--- a/mobile/android/base/GeckoAppShell.java
+++ b/mobile/android/base/GeckoAppShell.java
@@ -84,6 +84,7 @@ import android.graphics.RectF;
 import android.graphics.SurfaceTexture;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
+import android.hardware.display.DisplayManager;
 import android.hardware.Sensor;
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
@@ -110,6 +111,7 @@ import android.util.Base64;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.ContextThemeWrapper;
+import android.view.Display;
 import android.view.HapticFeedbackConstants;
 import android.view.Surface;
 import android.view.SurfaceView;
@@ -2740,4 +2742,10 @@ public class GeckoAppShell
         }
         return 0;
     }
+
+    @WrapForJNI
+    static Rect getScreenSize() {
+        Display disp = getGeckoInterface().getActivity().getWindowManager().getDefaultDisplay();
+        return new Rect(0, 0, disp.getWidth(), disp.getHeight());
+    }
 }
diff --git a/widget/android/GeneratedJNIWrappers.cpp b/widget/android/GeneratedJNIWrappers.cpp
index 21a967de8341..5b5c9aa444bf 100644
--- a/widget/android/GeneratedJNIWrappers.cpp
+++ b/widget/android/GeneratedJNIWrappers.cpp
@@ -393,6 +393,14 @@ auto GeckoAppShell::GetScreenOrientationWrapper() -> int16_t
     return mozilla::jni::Method<GetScreenOrientationWrapper_t>::Call(nullptr, nullptr);
 }
 
+constexpr char GeckoAppShell::GetScreenSize_t::name[];
+constexpr char GeckoAppShell::GetScreenSize_t::signature[];
+
+auto GeckoAppShell::GetScreenSize() -> mozilla::jni::Object::LocalRef
+{
+    return mozilla::jni::Method<GetScreenSize_t>::Call(nullptr, nullptr);
+}
+
 constexpr char GeckoAppShell::GetShowPasswordSetting_t::name[];
 constexpr char GeckoAppShell::GetShowPasswordSetting_t::signature[];
 
diff --git a/widget/android/GeneratedJNIWrappers.h b/widget/android/GeneratedJNIWrappers.h
index 2a0b340cd0cc..33517d8542bb 100644
--- a/widget/android/GeneratedJNIWrappers.h
+++ b/widget/android/GeneratedJNIWrappers.h
@@ -944,6 +944,23 @@ public:
 
     static auto GetScreenOrientationWrapper() -> int16_t;
 
+public:
+    struct GetScreenSize_t {
+        typedef GeckoAppShell Owner;
+        typedef mozilla::jni::Object::LocalRef ReturnType;
+        typedef mozilla::jni::Object::Param SetterType;
+        typedef mozilla::jni::Args<> Args;
+        static constexpr char name[] = "getScreenSize";
+        static constexpr char signature[] =
+                "()Landroid/graphics/Rect;";
+        static const bool isStatic = true;
+        static const bool isMultithreaded = false;
+        static const mozilla::jni::ExceptionMode exceptionMode =
+                mozilla::jni::ExceptionMode::ABORT;
+    };
+
+    static auto GetScreenSize() -> mozilla::jni::Object::LocalRef;
+
 public:
     struct GetShowPasswordSetting_t {
         typedef GeckoAppShell Owner;
diff --git a/widget/android/bindings/AndroidRect-classes.txt b/widget/android/bindings/AndroidRect-classes.txt
new file mode 100644
index 000000000000..cbacca81e1a4
--- /dev/null
+++ b/widget/android/bindings/AndroidRect-classes.txt
@@ -0,0 +1,2 @@
+android.graphics.Rect
+android.graphics.RectF
diff --git a/widget/android/bindings/Makefile.in b/widget/android/bindings/Makefile.in
index c42ce48862d1..644c2e19688a 100644
--- a/widget/android/bindings/Makefile.in
+++ b/widget/android/bindings/Makefile.in
@@ -24,6 +24,7 @@ sdk_processor := \
 
 # We'd like these to be defined in a future GENERATED_EXPORTS list.
 bindings_exports_FILES := \
+	AndroidRect.h \
   Bundle.h \
   MediaCodec.h \
   SurfaceTexture.h \
diff --git a/widget/android/bindings/moz.build b/widget/android/bindings/moz.build
index 622e4f6394a6..a70bf79ac61a 100644
--- a/widget/android/bindings/moz.build
+++ b/widget/android/bindings/moz.build
@@ -7,9 +7,10 @@
 # List of stems to generate .cpp and .h files for.  To add a stem, add it to
 # this list and ensure that $(stem)-classes.txt exists in this directory.
 generated = [
+    'AndroidRect',
     'Bundle',
     'MediaCodec',
-    'SurfaceTexture',
+    'SurfaceTexture'
 ]
 
 SOURCES += ['!%s.cpp' % stem for stem in generated]
diff --git a/widget/android/nsScreenManagerAndroid.cpp b/widget/android/nsScreenManagerAndroid.cpp
index f7d0f67fd407..9a8b3651fe79 100644
--- a/widget/android/nsScreenManagerAndroid.cpp
+++ b/widget/android/nsScreenManagerAndroid.cpp
@@ -8,6 +8,9 @@
 #include "nsScreenManagerAndroid.h"
 #include "nsWindow.h"
 #include "AndroidBridge.h"
+#include "GeneratedJNIWrappers.h"
+#include "AndroidRect.h"
+#include <mozilla/jni/Refs.h>
 
 using namespace mozilla;
 
@@ -29,13 +32,11 @@ nsScreenAndroid::GetId(uint32_t *outId)
 NS_IMETHODIMP
 nsScreenAndroid::GetRect(int32_t *outLeft, int32_t *outTop, int32_t *outWidth, int32_t *outHeight)
 {
-    gfx::IntSize sz = nsWindow::GetAndroidScreenBounds();
-
-    *outLeft = 0;
-    *outTop = 0;
-
-    *outWidth = sz.width;
-    *outHeight = sz.height;
+    widget::sdk::Rect::LocalRef rect = widget::GeckoAppShell::GetScreenSize();
+    rect->Left(outLeft);
+    rect->Top(outTop);
+    rect->Width(outWidth);
+    rect->Height(outHeight);
 
     return NS_OK;
 }