diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 1f98a1f..e9ff2a4 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -9416,6 +9416,9 @@
         if (info.applicationInfo == null) {
             return info.getMinAspectRatio();
         }
+        if (mLetterboxUiController.shouldApplyUserMinAspectRatioOverride()) {
+            return mLetterboxUiController.getUserMinAspectRatio();
+        }
         if (!mLetterboxUiController.shouldOverrideMinAspectRatio()) {
             return info.getMinAspectRatio();
         }
diff --git a/services/core/java/com/android/server/wm/LetterboxUiController.java b/services/core/java/com/android/server/wm/LetterboxUiController.java
index 39f7570..394105a 100644
--- a/services/core/java/com/android/server/wm/LetterboxUiController.java
+++ b/services/core/java/com/android/server/wm/LetterboxUiController.java
@@ -40,6 +40,12 @@
 import static android.content.pm.ActivityInfo.isFixedOrientation;
 import static android.content.pm.ActivityInfo.isFixedOrientationLandscape;
 import static android.content.pm.ActivityInfo.screenOrientationToString;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_16_9;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_3_2;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_4_3;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_DISPLAY_SIZE;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_SPLIT_SCREEN;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_UNSET;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.content.res.Configuration.ORIENTATION_UNDEFINED;
@@ -103,6 +109,7 @@
 import android.graphics.Color;
 import android.graphics.Point;
 import android.graphics.Rect;
+import android.os.RemoteException;
 import android.util.Slog;
 import android.view.InsetsSource;
 import android.view.InsetsState;
@@ -237,6 +244,10 @@
     // Counter for ActivityRecord#setRequestedOrientation
     private int mSetOrientationRequestCounter = 0;
 
+    // The min aspect ratio override set by user
+    @PackageManager.UserMinAspectRatio
+    private int mUserAspectRatio = USER_MIN_ASPECT_RATIO_UNSET;
+
     // The CompatDisplayInsets of the opaque activity beneath the translucent one.
     private ActivityRecord.CompatDisplayInsets mInheritedCompatDisplayInsets;
 
@@ -1059,7 +1070,7 @@
 
     private float getDefaultMinAspectRatioForUnresizableApps() {
         if (!mLetterboxConfiguration.getIsSplitScreenAspectRatioForUnresizableAppsEnabled()
-                || mActivityRecord.getDisplayContent() == null) {
+                || mActivityRecord.getDisplayArea() == null) {
             return mLetterboxConfiguration.getDefaultMinAspectRatioForUnresizableApps()
                     > MIN_FIXED_ORIENTATION_LETTERBOX_ASPECT_RATIO
                             ? mLetterboxConfiguration.getDefaultMinAspectRatioForUnresizableApps()
@@ -1071,8 +1082,8 @@
 
     float getSplitScreenAspectRatio() {
         // Getting the same aspect ratio that apps get in split screen.
-        final DisplayContent displayContent = mActivityRecord.getDisplayContent();
-        if (displayContent == null) {
+        final DisplayArea displayArea = mActivityRecord.getDisplayArea();
+        if (displayArea == null) {
             return getDefaultMinAspectRatioForUnresizableApps();
         }
         int dividerWindowWidth =
@@ -1080,7 +1091,7 @@
         int dividerInsets =
                 getResources().getDimensionPixelSize(R.dimen.docked_stack_divider_insets);
         int dividerSize = dividerWindowWidth - dividerInsets * 2;
-        final Rect bounds = new Rect(displayContent.getWindowConfiguration().getAppBounds());
+        final Rect bounds = new Rect(displayArea.getWindowConfiguration().getAppBounds());
         if (bounds.width() >= bounds.height()) {
             bounds.inset(/* dx */ dividerSize / 2, /* dy */ 0);
             bounds.right = bounds.centerX();
@@ -1091,14 +1102,57 @@
         return computeAspectRatio(bounds);
     }
 
+    boolean shouldApplyUserMinAspectRatioOverride() {
+        if (!mLetterboxConfiguration.isUserAppAspectRatioSettingsEnabled()) {
+            return false;
+        }
+
+        try {
+            final int userAspectRatio = mActivityRecord.mAtmService.getPackageManager()
+                    .getUserMinAspectRatio(mActivityRecord.packageName, mActivityRecord.mUserId);
+            mUserAspectRatio = userAspectRatio;
+            return userAspectRatio != USER_MIN_ASPECT_RATIO_UNSET;
+        } catch (RemoteException e) {
+            // Don't apply user aspect ratio override
+            Slog.w(TAG, "Exception thrown retrieving aspect ratio user override " + this, e);
+            return false;
+        }
+    }
+
+    float getUserMinAspectRatio() {
+        switch (mUserAspectRatio) {
+            case USER_MIN_ASPECT_RATIO_DISPLAY_SIZE:
+                return getDisplaySizeMinAspectRatio();
+            case USER_MIN_ASPECT_RATIO_SPLIT_SCREEN:
+                return getSplitScreenAspectRatio();
+            case USER_MIN_ASPECT_RATIO_16_9:
+                return 16 / 9f;
+            case USER_MIN_ASPECT_RATIO_4_3:
+                return 4 / 3f;
+            case USER_MIN_ASPECT_RATIO_3_2:
+                return 3 / 2f;
+            default:
+                throw new AssertionError("Unexpected user min aspect ratio override: "
+                        + mUserAspectRatio);
+        }
+    }
+
+    private float getDisplaySizeMinAspectRatio() {
+        final DisplayArea displayArea = mActivityRecord.getDisplayArea();
+        if (displayArea == null) {
+            return mActivityRecord.info.getMinAspectRatio();
+        }
+        final Rect bounds = new Rect(displayArea.getWindowConfiguration().getAppBounds());
+        return computeAspectRatio(bounds);
+    }
+
     private float getDefaultMinAspectRatio() {
-        final DisplayContent displayContent = mActivityRecord.getDisplayContent();
-        if (displayContent == null
+        if (mActivityRecord.getDisplayArea() == null
                 || !mLetterboxConfiguration
                     .getIsDisplayAspectRatioEnabledForFixedOrientationLetterbox()) {
             return mLetterboxConfiguration.getFixedOrientationLetterboxAspectRatio();
         }
-        return computeAspectRatio(new Rect(displayContent.getBounds()));
+        return getDisplaySizeMinAspectRatio();
     }
 
     Resources getResources() {
diff --git a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
index 3908947..d5afe3b 100644
--- a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
@@ -27,6 +27,11 @@
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_16_9;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_3_2;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_4_3;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_DISPLAY_SIZE;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_SPLIT_SCREEN;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.provider.DeviceConfig.NAMESPACE_CONSTRAIN_DISPLAY_APIS;
@@ -91,9 +96,12 @@
 import android.content.ComponentName;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ActivityInfo.ScreenOrientation;
+import android.content.pm.IPackageManager;
+import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.Binder;
+import android.os.RemoteException;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
 import android.provider.DeviceConfig;
@@ -2255,6 +2263,169 @@
     }
 
     @Test
+    public void testUserOverrideSplitScreenAspectRatioForLandscapeDisplay() {
+        final int displayWidth = 1600;
+        final int displayHeight = 1400;
+        setUpDisplaySizeWithApp(displayWidth, displayHeight);
+
+        float expectedAspectRatio = 1f * displayHeight / getExpectedSplitSize(displayWidth);
+
+        testUserOverrideAspectRatio(expectedAspectRatio, USER_MIN_ASPECT_RATIO_SPLIT_SCREEN);
+    }
+
+    @Test
+    public void testUserOverrideSplitScreenAspectRatioForPortraitDisplay() {
+        final int displayWidth = 1400;
+        final int displayHeight = 1600;
+        setUpDisplaySizeWithApp(displayWidth, displayHeight);
+
+        float expectedAspectRatio = 1f * displayWidth / getExpectedSplitSize(displayHeight);
+
+        testUserOverrideAspectRatio(expectedAspectRatio, USER_MIN_ASPECT_RATIO_SPLIT_SCREEN);
+    }
+
+    @Test
+    public void testUserOverrideDisplaySizeAspectRatioForLandscapeDisplay() {
+        final int displayWidth = 1600;
+        final int displayHeight = 1400;
+        setUpDisplaySizeWithApp(displayWidth, displayHeight);
+
+        float expectedAspectRatio = 1f * displayWidth / displayHeight;
+
+        testUserOverrideAspectRatio(expectedAspectRatio, USER_MIN_ASPECT_RATIO_DISPLAY_SIZE);
+    }
+
+    @Test
+    public void testUserOverrideDisplaySizeAspectRatioForPortraitDisplay() {
+        final int displayWidth = 1400;
+        final int displayHeight = 1600;
+        setUpDisplaySizeWithApp(displayWidth, displayHeight);
+
+        float expectedAspectRatio = 1f * displayHeight / displayWidth;
+
+        testUserOverrideAspectRatio(expectedAspectRatio, USER_MIN_ASPECT_RATIO_DISPLAY_SIZE);
+    }
+
+    @Test
+    public void testUserOverride32AspectRatioForPortraitDisplay() {
+        setUpDisplaySizeWithApp(/* dw */ 1400, /* dh */ 1600);
+        testUserOverrideAspectRatio(3 / 2f, USER_MIN_ASPECT_RATIO_3_2);
+    }
+
+    @Test
+    public void testUserOverride32AspectRatioForLandscapeDisplay() {
+        setUpDisplaySizeWithApp(/* dw */ 1600, /* dh */ 1400);
+        testUserOverrideAspectRatio(3 / 2f, USER_MIN_ASPECT_RATIO_3_2);
+    }
+
+    @Test
+    public void testUserOverride43AspectRatioForPortraitDisplay() {
+        setUpDisplaySizeWithApp(/* dw */ 1400, /* dh */ 1600);
+        testUserOverrideAspectRatio(4 / 3f, USER_MIN_ASPECT_RATIO_4_3);
+    }
+
+    @Test
+    public void testUserOverride43AspectRatioForLandscapeDisplay() {
+        setUpDisplaySizeWithApp(/* dw */ 1600, /* dh */ 1400);
+        testUserOverrideAspectRatio(4 / 3f, USER_MIN_ASPECT_RATIO_4_3);
+    }
+
+    @Test
+    public void testUserOverride169AspectRatioForPortraitDisplay() {
+        setUpDisplaySizeWithApp(/* dw */ 1800, /* dh */ 1500);
+        testUserOverrideAspectRatio(16 / 9f, USER_MIN_ASPECT_RATIO_16_9);
+    }
+
+    @Test
+    public void testUserOverride169AspectRatioForLandscapeDisplay() {
+        setUpDisplaySizeWithApp(/* dw */ 1500, /* dh */ 1800);
+        testUserOverrideAspectRatio(16 / 9f, USER_MIN_ASPECT_RATIO_16_9);
+    }
+
+    @Test
+    @EnableCompatChanges({ActivityInfo.OVERRIDE_MIN_ASPECT_RATIO,
+            ActivityInfo.OVERRIDE_MIN_ASPECT_RATIO_LARGE})
+    public void testUserOverrideAspectRatioOverSystemOverride() {
+        setUpDisplaySizeWithApp(/* dw */ 1600, /* dh */ 1400);
+
+        testUserOverrideAspectRatio(false,
+                SCREEN_ORIENTATION_PORTRAIT,
+                3 / 2f,
+                USER_MIN_ASPECT_RATIO_3_2,
+                true);
+    }
+
+    @Test
+    public void testUserOverrideAspectRatioNotEnabled() {
+        setUpDisplaySizeWithApp(/* dw */ 1600, /* dh */ 1400);
+
+        // App aspect ratio doesn't change
+        testUserOverrideAspectRatio(false,
+                SCREEN_ORIENTATION_PORTRAIT,
+                1f * 1600 / 1400,
+                USER_MIN_ASPECT_RATIO_3_2,
+                false);
+    }
+
+    private void testUserOverrideAspectRatio(float expectedAspectRatio,
+            @PackageManager.UserMinAspectRatio int aspectRatio) {
+        testUserOverrideAspectRatio(true,
+                SCREEN_ORIENTATION_PORTRAIT,
+                expectedAspectRatio,
+                aspectRatio,
+                true);
+
+        testUserOverrideAspectRatio(false,
+                SCREEN_ORIENTATION_PORTRAIT,
+                expectedAspectRatio,
+                aspectRatio,
+                true);
+
+        testUserOverrideAspectRatio(true,
+                SCREEN_ORIENTATION_LANDSCAPE,
+                expectedAspectRatio,
+                aspectRatio,
+                true);
+
+        testUserOverrideAspectRatio(false,
+                SCREEN_ORIENTATION_LANDSCAPE,
+                expectedAspectRatio,
+                aspectRatio,
+                true);
+    }
+
+    private void testUserOverrideAspectRatio(boolean isUnresizable, int screenOrientation,
+            float expectedAspectRatio, @PackageManager.UserMinAspectRatio int aspectRatio,
+            boolean enabled) {
+        final ActivityRecord activity = new ActivityBuilder(mAtm)
+                .setTask(mTask)
+                .setComponent(ComponentName.createRelative(mContext,
+                        SizeCompatTests.class.getName()))
+                .setUid(android.os.Process.myUid())
+                .build();
+        activity.mDisplayContent.setIgnoreOrientationRequest(true /* ignoreOrientationRequest */);
+        activity.mWmService.mLetterboxConfiguration
+                .setUserAppAspectRatioSettingsOverrideEnabled(enabled);
+        // Set user aspect ratio override
+        final IPackageManager pm = mAtm.getPackageManager();
+        try {
+            doReturn(aspectRatio).when(pm)
+                    .getUserMinAspectRatio(activity.packageName, activity.mUserId);
+        } catch (RemoteException ignored) {
+        }
+
+        prepareLimitedBounds(activity, screenOrientation, isUnresizable);
+
+        final Rect afterBounds = activity.getBounds();
+        final int width = afterBounds.width();
+        final int height = afterBounds.height();
+        final float afterAspectRatio =
+                (float) Math.max(width, height) / (float) Math.min(width, height);
+
+        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+    }
+
+    @Test
     @EnableCompatChanges({ActivityInfo.OVERRIDE_MIN_ASPECT_RATIO,
             ActivityInfo.OVERRIDE_MIN_ASPECT_RATIO_TO_ALIGN_WITH_SPLIT_SCREEN})
     public void testOverrideSplitScreenAspectRatioForUnresizablePortraitApps() {