diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SplitInitializer.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SplitInitializer.kt
index 7562779..5f184ea 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/SplitInitializer.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SplitInitializer.kt
@@ -15,16 +15,88 @@
  */
 package com.android.virtualization.terminal
 
+import android.content.ComponentName
 import android.content.Context
+import android.content.Intent
 import androidx.startup.Initializer
+import androidx.window.embedding.ActivityFilter
+import androidx.window.embedding.EmbeddingAspectRatio
 import androidx.window.embedding.RuleController
+import androidx.window.embedding.SplitAttributes
+import androidx.window.embedding.SplitPairFilter
+import androidx.window.embedding.SplitPairRule
+import androidx.window.embedding.SplitPlaceholderRule
+import androidx.window.embedding.SplitRule
 
 class SplitInitializer : Initializer<RuleController> {
 
     override fun create(context: Context): RuleController {
-        return RuleController.getInstance(context).apply {
-            setRules(RuleController.parseRules(context, R.xml.main_split_config))
-        }
+        val filters =
+            setOf(
+                SplitPairFilter(
+                    ComponentName(context, SettingsActivity::class.java),
+                    ComponentName(context, SettingsDiskResizeActivity::class.java),
+                    null,
+                ),
+                SplitPairFilter(
+                    ComponentName(context, SettingsActivity::class.java),
+                    ComponentName(context, SettingsPortForwardingActivity::class.java),
+                    null,
+                ),
+                SplitPairFilter(
+                    ComponentName(context, SettingsActivity::class.java),
+                    ComponentName(context, SettingsRecoveryActivity::class.java),
+                    null,
+                ),
+            )
+
+        val splitPairRules =
+            SplitPairRule.Builder(filters)
+                .setClearTop(true)
+                .setFinishPrimaryWithSecondary(SplitRule.FinishBehavior.ADJACENT)
+                .setFinishSecondaryWithPrimary(SplitRule.FinishBehavior.ALWAYS)
+                .setDefaultSplitAttributes(
+                    SplitAttributes.Builder()
+                        .setLayoutDirection(SplitAttributes.LayoutDirection.LOCALE)
+                        .setSplitType(
+                            SplitAttributes.SplitType.ratio(
+                                context.resources.getFloat(R.dimen.activity_split_ratio)
+                            )
+                        )
+                        .build()
+                )
+                .setMaxAspectRatioInPortrait(EmbeddingAspectRatio.ALWAYS_ALLOW)
+                .setMinWidthDp(context.resources.getInteger(R.integer.split_min_width))
+                .build()
+
+        val placeholderRule =
+            SplitPlaceholderRule.Builder(
+                    setOf(
+                        ActivityFilter(ComponentName(context, SettingsActivity::class.java), null)
+                    ),
+                    Intent(context, SettingsDiskResizeActivity::class.java),
+                )
+                .setFinishPrimaryWithPlaceholder(SplitRule.FinishBehavior.ADJACENT)
+                .setDefaultSplitAttributes(
+                    SplitAttributes.Builder()
+                        .setLayoutDirection(SplitAttributes.LayoutDirection.LOCALE)
+                        .setSplitType(
+                            SplitAttributes.SplitType.ratio(
+                                context.resources.getFloat(R.dimen.activity_split_ratio)
+                            )
+                        )
+                        .build()
+                )
+                .setMaxAspectRatioInPortrait(EmbeddingAspectRatio.ALWAYS_ALLOW)
+                .setMinWidthDp(context.resources.getInteger(R.integer.split_min_width))
+                .setSticky(false)
+                .build()
+
+        val ruleController = RuleController.getInstance(context)
+        ruleController.addRule(splitPairRules)
+        ruleController.addRule(placeholderRule)
+
+        return ruleController
     }
 
     override fun dependencies(): List<Class<out Initializer<*>>> {
diff --git a/android/TerminalApp/res/values/config.xml b/android/TerminalApp/res/values/config.xml
index 7f0b5e6..a2c9183 100644
--- a/android/TerminalApp/res/values/config.xml
+++ b/android/TerminalApp/res/values/config.xml
@@ -16,4 +16,5 @@
 
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <bool name="terminal_portrait_only">true</bool>
+    <item name="activity_split_ratio" format="float" type="dimen">0.3</item>
 </resources>
diff --git a/android/TerminalApp/res/values/dimens.xml b/android/TerminalApp/res/values/dimens.xml
deleted file mode 100644
index e00ef7c..0000000
--- a/android/TerminalApp/res/values/dimens.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--  Copyright 2024 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
- -->
-
-<resources>
-    <dimen name="activity_split_ratio">0.3</dimen>
-</resources>
\ No newline at end of file
diff --git a/android/TerminalApp/res/xml/main_split_config.xml b/android/TerminalApp/res/xml/main_split_config.xml
deleted file mode 100644
index bd0271b..0000000
--- a/android/TerminalApp/res/xml/main_split_config.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--  Copyright 2024 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
- -->
-
-<resources xmlns:window="http://schemas.android.com/apk/res-auto">
-
-    <!-- Define a split for the named activities. -->
-    <SplitPairRule
-        window:clearTop="true"
-        window:finishPrimaryWithSecondary="adjacent"
-        window:finishSecondaryWithPrimary="always"
-        window:splitLayoutDirection="locale"
-        window:splitMaxAspectRatioInPortrait="alwaysAllow"
-        window:splitMinWidthDp="@integer/split_min_width"
-        window:splitRatio="@dimen/activity_split_ratio">
-        <SplitPairFilter
-            window:primaryActivityName="com.android.virtualization.terminal.SettingsActivity"
-            window:secondaryActivityName="com.android.virtualization.terminal.SettingsDiskResizeActivity" />
-        <SplitPairFilter
-            window:primaryActivityName="com.android.virtualization.terminal.SettingsActivity"
-            window:secondaryActivityName="com.android.virtualization.terminal.SettingsPortForwardingActivity" />
-        <SplitPairFilter
-            window:primaryActivityName="com.android.virtualization.terminal.SettingsActivity"
-            window:secondaryActivityName="com.android.virtualization.terminal.SettingsRecoveryActivity" />
-    </SplitPairRule>
-
-    <SplitPlaceholderRule
-        window:placeholderActivityName="com.android.virtualization.terminal.SettingsDiskResizeActivity"
-        window:finishPrimaryWithPlaceholder="adjacent"
-        window:splitLayoutDirection="locale"
-        window:splitMaxAspectRatioInPortrait="alwaysAllow"
-        window:splitMinWidthDp="@integer/split_min_width"
-        window:splitRatio="@dimen/activity_split_ratio"
-        window:stickyPlaceholder="false">
-        <ActivityFilter
-            window:activityName="com.android.virtualization.terminal.SettingsActivity"/>
-    </SplitPlaceholderRule>
-</resources>
\ No newline at end of file