add option to limit aspect ratio

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

@@ -21,6 +21,7 @@ import androidx.core.view.WindowInsetsControllerCompat
 import com.customRobTop.BaseRobTopActivity
 import com.customRobTop.JniToCpp
 import com.geode.launcher.utils.Constants
+import com.geode.launcher.utils.ConstrainedFrameLayout
 import com.geode.launcher.utils.DownloadUtils
 import com.geode.launcher.utils.GeodeUtils
 import com.geode.launcher.utils.LaunchUtils
@@ -262,10 +263,24 @@ class GeometryDashActivity : AppCompatActivity(), Cocos2dxHelper.Cocos2dxHelperL
     }
 
     private fun createView(): FrameLayout {
-        val frameLayoutParams = ViewGroup.LayoutParams(-1, -1)
-        val frameLayout = FrameLayout(this)
+        val frameLayoutParams = ViewGroup.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.MATCH_PARENT
+        )
+        val frameLayout = ConstrainedFrameLayout(this)
         frameLayout.layoutParams = frameLayoutParams
-        val editTextLayoutParams = ViewGroup.LayoutParams(-1, -2)
+
+        val isRestricted = PreferenceUtils.get(this)
+            .getBoolean(PreferenceUtils.Key.LIMIT_ASPECT_RATIO)
+        if (isRestricted) {
+            // despite not being perfectly 16:9, this is what Android calls "16:9"
+            frameLayout.aspectRatio = 1.86f
+        }
+
+        val editTextLayoutParams = ViewGroup.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        )
         val editText = Cocos2dxEditText(this)
         editText.layoutParams = editTextLayoutParams
         frameLayout.addView(editText)
@@ -276,11 +291,6 @@ class GeometryDashActivity : AppCompatActivity(), Cocos2dxHelper.Cocos2dxHelperL
         frameLayout.addView(this.mGLSurfaceView)
 
         glSurfaceView.setEGLConfigChooser(5, 6, 5, 0, 16, 8)
-
-        if (isAndroidEmulator()) {
-            glSurfaceView.setEGLConfigChooser(8, 8, 8, 8, 16, 0)
-        }
-
         glSurfaceView.initView()
         glSurfaceView.setCocos2dxRenderer(Cocos2dxRenderer())
 

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

@@ -302,6 +302,11 @@ fun SettingsScreen(
                         description = context.getString(R.string.preference_load_automatically_description),
                         preferenceKey = PreferenceUtils.Key.LOAD_AUTOMATICALLY,
                     )
+                    SettingsCard(
+                        title = stringResource(R.string.preference_limit_aspect_ratio_name),
+                        description = stringResource(R.string.preference_limit_aspect_ratio_description),
+                        preferenceKey = PreferenceUtils.Key.LIMIT_ASPECT_RATIO
+                    )
                     OptionsButton(
                         title = stringResource(R.string.preferences_open_file_manager),
                         onClick = { onOpenFileManager(context) }

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

@@ -0,0 +1,32 @@
+package com.geode.launcher.utils
+
+import android.content.Context
+import android.widget.FrameLayout
+
+class ConstrainedFrameLayout(context: Context) : FrameLayout(context) {
+    // avoid running the aspect ratio fix when we don't need it
+    var aspectRatio: Float? = null;
+
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        if (aspectRatio != null) {
+            val width = MeasureSpec.getSize(widthMeasureSpec)
+            val height = MeasureSpec.getSize(heightMeasureSpec)
+            if (width == 0 || height == 0) {
+                super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+            }
+
+            val calculatedWidth = height * (aspectRatio ?: 1.0f);
+            val padding = ((width - calculatedWidth) / 2).toInt()
+
+            // ignore paddings where the screen ends up looking odd
+            if (padding > 0) {
+                setPadding(padding, 0, padding, 0)
+            }
+        }
+
+        super.onMeasure(
+            widthMeasureSpec,
+            heightMeasureSpec
+        )
+    }
+}

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

@@ -135,7 +135,8 @@ class PreferenceUtils(private val sharedPreferences: SharedPreferences) {
         LAST_DISMISSED_UPDATE,
         DISMISSED_GJ_UPDATE,
         LAUNCH_ARGUMENTS,
-        IGNORE_LOAD_FAILURE
+        IGNORE_LOAD_FAILURE,
+        LIMIT_ASPECT_RATIO
     }
 
     private fun defaultValueForBooleanKey(key: Key): Boolean {
@@ -161,6 +162,7 @@ class PreferenceUtils(private val sharedPreferences: SharedPreferences) {
             Key.DISMISSED_GJ_UPDATE -> "PreferenceDismissedGJUpdate"
             Key.LAUNCH_ARGUMENTS -> "PreferenceLaunchArguments"
             Key.IGNORE_LOAD_FAILURE -> "PreferenceIgnoreLoadFailure"
+            Key.LIMIT_ASPECT_RATIO -> "PreferenceLimitAspectRatio"
         }
     }
 

app/src/main/res/values/strings.xml

@@ -90,6 +90,8 @@
     <string name="preference_theme_light">Light</string>
     <string name="preference_theme_dark">Dark</string>
     <string name="preference_black_background_name">Black background in dark theme</string>
+    <string name="preference_limit_aspect_ratio_name">Limit aspect ratio</string>
+    <string name="preference_limit_aspect_ratio_description">Restricts the game window to a 16:9 ratio.</string>
 
     <string name="preference_category_updater">Updates</string>
     <string name="preference_update_automatically_name">Enable automatic updates</string>