explicitly set the max refresh rate

app/src/main/java/com/geode/launcher/GeometryDashActivity.kt

@@ -59,6 +59,7 @@ class GeometryDashActivity : AppCompatActivity(), Cocos2dxHelper.Cocos2dxHelperL
     private var mReceiver: BroadcastReceiver? = null
 
     private var displayMode = DisplayMode.DEFAULT
+    private var forceRefreshRate = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         setupUIState()
@@ -377,6 +378,8 @@ class GeometryDashActivity : AppCompatActivity(), Cocos2dxHelper.Cocos2dxHelperL
             PreferenceUtils.get(this).getInt(PreferenceUtils.Key.DISPLAY_MODE)
         )
 
+        forceRefreshRate = PreferenceUtils.get(this).getBoolean(PreferenceUtils.Key.FORCE_HRR)
+
         if (displayMode == DisplayMode.FULLSCREEN && Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
             window.attributes.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
         }
@@ -414,6 +417,10 @@ class GeometryDashActivity : AppCompatActivity(), Cocos2dxHelper.Cocos2dxHelperL
         mIsRunning = true
 //        Cocos2dxHelper.onResume()
         mGLSurfaceView?.onResume()
+
+        if (forceRefreshRate && Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            mGLSurfaceView?.updateRefreshRate()
+        }
     }
 
     private fun pauseGame() {

app/src/main/java/com/geode/launcher/SettingsActivity.kt

@@ -319,6 +319,12 @@ fun SettingsScreen(
                         preferenceKey = PreferenceUtils.Key.DISPLAY_MODE,
                         toLabel = { displayOptionToKey(it) }
                     )
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                        SettingsCard(
+                            title = context.getString(R.string.preference_force_hrr),
+                            preferenceKey = PreferenceUtils.Key.FORCE_HRR,
+                        )
+                    }
                     OptionsButton(
                         title = stringResource(R.string.preferences_open_file_manager),
                         onClick = { onOpenFileManager(context) }

app/src/main/java/com/geode/launcher/utils/PreferenceUtils.kt

@@ -135,12 +135,13 @@ class PreferenceUtils(private val sharedPreferences: SharedPreferences) {
         DISMISSED_GJ_UPDATE,
         LAUNCH_ARGUMENTS,
         LIMIT_ASPECT_RATIO,
-        DISPLAY_MODE
+        DISPLAY_MODE,
+        FORCE_HRR
     }
 
     private fun defaultValueForBooleanKey(key: Key): Boolean {
         return when (key) {
-            Key.UPDATE_AUTOMATICALLY -> true
+            Key.UPDATE_AUTOMATICALLY, Key.FORCE_HRR -> true
             Key.RELEASE_CHANNEL -> BuildConfig.DEBUG
             else -> false
         }
@@ -166,6 +167,7 @@ class PreferenceUtils(private val sharedPreferences: SharedPreferences) {
             Key.LAUNCH_ARGUMENTS -> "PreferenceLaunchArguments"
             Key.LIMIT_ASPECT_RATIO -> "PreferenceLimitAspectRatio"
             Key.DISPLAY_MODE -> "PreferenceDisplayMode"
+            Key.FORCE_HRR -> "PreferenceForceHighRefreshRate"
         }
     }