diff --git a/Android.bp b/Android.bp
index 1e1e0ad..a4a058f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -455,6 +455,9 @@
         extra_check_modules: ["Launcher3LintChecker"],
         baseline_filename: "lint-baseline.xml",
     },
+    kotlincflags: [
+        "-Xjvm-default=all",
+    ],
 }
 
 // Library with all the dependencies for building quickstep
@@ -519,6 +522,9 @@
     min_sdk_version: "current",
     // TODO(b/319712088): re-enable use_resource_processor
     use_resource_processor: false,
+    kotlincflags: [
+        "-Xjvm-default=all",
+    ],
 }
 
 // Library with all the source code and dependencies for building Quickstep
@@ -552,6 +558,9 @@
     min_sdk_version: "current",
     // TODO(b/319712088): re-enable use_resource_processor
     use_resource_processor: false,
+    kotlincflags: [
+        "-Xjvm-default=all",
+    ],
 }
 
 // Build rule for Quickstep app.
diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index 80d2eac..fe57da1 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -136,7 +136,7 @@
         TODO: Add proper permissions
         -->
         <provider
-            android:name="com.android.launcher3.graphics.GridCustomizationsProvider"
+            android:name="com.android.launcher3.graphics.LauncherCustomizationProvider"
             android:authorities="${applicationId}.grid_control"
             android:exported="true" />
 
diff --git a/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java b/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java
index 31d0da0..f6acda4 100644
--- a/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java
+++ b/src/com/android/launcher3/dagger/LauncherBaseAppComponent.java
@@ -20,6 +20,7 @@
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherPrefs;
+import com.android.launcher3.graphics.GridCustomizationsProxy;
 import com.android.launcher3.graphics.ThemeManager;
 import com.android.launcher3.icons.LauncherIcons.IconPool;
 import com.android.launcher3.model.ItemInstallQueue;
@@ -75,6 +76,8 @@
     InvariantDeviceProfile getIDP();
     IconPool getIconPool();
 
+    GridCustomizationsProxy getGridCustomizationsProxy();
+
     /** Builder for LauncherBaseAppComponent. */
     interface Builder {
         @BindsInstance Builder appContext(@ApplicationContext Context context);
diff --git a/src/com/android/launcher3/graphics/GridCustomizationsProvider.java b/src/com/android/launcher3/graphics/GridCustomizationsProxy.java
similarity index 87%
rename from src/com/android/launcher3/graphics/GridCustomizationsProvider.java
rename to src/com/android/launcher3/graphics/GridCustomizationsProxy.java
index 12c65c7..01c9d7e 100644
--- a/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
+++ b/src/com/android/launcher3/graphics/GridCustomizationsProxy.java
@@ -22,7 +22,6 @@
 
 import static java.util.Objects.requireNonNullElse;
 
-import android.content.ContentProvider;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -45,9 +44,13 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
 import com.android.launcher3.LauncherPrefs;
+import com.android.launcher3.dagger.ApplicationContext;
+import com.android.launcher3.dagger.LauncherAppSingleton;
 import com.android.launcher3.model.BgDataModel;
 import com.android.launcher3.shapes.IconShapeModel;
 import com.android.launcher3.shapes.ShapesProvider;
+import com.android.launcher3.util.ContentProviderProxy.ProxyProvider;
+import com.android.launcher3.util.DaggerSingletonTracker;
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.RunnableList;
@@ -62,6 +65,8 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
 
+import javax.inject.Inject;
+
 /**
  * Exposes various launcher grid options and allows the caller to change them.
  * APIs:
@@ -76,7 +81,7 @@
  *          rows: number of rows in the grid
  *          cols: number of columns in the grid
  *          preview_count: number of previews available for this grid option. The preview uri
- *                         looks like /preview/<grid-name>/<preview index starting with 0>
+ *                         looks like /preview/[grid-name]/[preview index starting with 0]
  *          is_default: true if this grid option is currently set to the system
  *
  *     /get_preview: Open a file stream for the grid preview
@@ -85,7 +90,8 @@
  *          shape_key: key of the shape to apply
  *          name: key of the grid to apply
  */
-public class GridCustomizationsProvider extends ContentProvider {
+@LauncherAppSingleton
+public class GridCustomizationsProxy implements ProxyProvider {
 
     private static final String TAG = "GridCustomizationsProvider";
 
@@ -132,17 +138,31 @@
     private final Set<PreviewLifecycleObserver> mActivePreviews =
             Collections.newSetFromMap(new ConcurrentHashMap<>());
 
-    @Override
-    public boolean onCreate() {
-        return true;
+    private final Context mContext;
+    private final ThemeManager mThemeManager;
+    private final LauncherPrefs mPrefs;
+    private final InvariantDeviceProfile mIdp;
+
+    @Inject
+    GridCustomizationsProxy(
+            @ApplicationContext Context context,
+            ThemeManager themeManager,
+            LauncherPrefs prefs,
+            InvariantDeviceProfile idp,
+            DaggerSingletonTracker lifeCycle
+    ) {
+        mContext = context;
+        mThemeManager = themeManager;
+        mPrefs = prefs;
+        mIdp = idp;
+        lifeCycle.addCloseable(() -> mActivePreviews.forEach(PreviewLifecycleObserver::binderDied));
     }
 
     @Override
     public Cursor query(Uri uri, String[] projection, String selection,
             String[] selectionArgs, String sortOrder) {
-        Context context = getContext();
         String path = uri.getPath();
-        if (context == null || path == null) {
+        if (path == null) {
             return null;
         }
 
@@ -151,8 +171,7 @@
                 if (Flags.newCustomizationPickerUi()) {
                     MatrixCursor cursor = new MatrixCursor(new String[]{
                             KEY_SHAPE_KEY, KEY_SHAPE_TITLE, KEY_PATH, KEY_IS_DEFAULT});
-                    String currentShapePath =
-                            ThemeManager.INSTANCE.get(context).getIconState().getIconMask();
+                    String currentShapePath = mThemeManager.getIconState().getIconMask();
                     Optional<IconShapeModel> selectedShape = ShapesProvider.INSTANCE.getIconShapes()
                             .values()
                             .stream()
@@ -180,8 +199,7 @@
                 MatrixCursor cursor = new MatrixCursor(new String[]{
                         KEY_NAME, KEY_GRID_TITLE, KEY_ROWS, KEY_COLS, KEY_PREVIEW_COUNT,
                         KEY_IS_DEFAULT, KEY_GRID_ICON_ID});
-                InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(getContext());
-                List<GridOption> gridOptionList = idp.parseAllGridOptions(getContext());
+                List<GridOption> gridOptionList = mIdp.parseAllGridOptions(mContext);
                 if (com.android.launcher3.Flags.oneGridSpecs()) {
                     gridOptionList.sort(Comparator
                             .comparingInt((GridOption option) -> option.numColumns)
@@ -194,8 +212,8 @@
                             .add(KEY_ROWS, gridOption.numRows)
                             .add(KEY_COLS, gridOption.numColumns)
                             .add(KEY_PREVIEW_COUNT, 1)
-                            .add(KEY_IS_DEFAULT, idp.numColumns == gridOption.numColumns
-                                    && idp.numRows == gridOption.numRows)
+                            .add(KEY_IS_DEFAULT, mIdp.numColumns == gridOption.numColumns
+                                    && mIdp.numRows == gridOption.numRows)
                             .add(KEY_GRID_ICON_ID, gridOption.gridIconId);
                 }
                 return cursor;
@@ -203,8 +221,7 @@
             case GET_ICON_THEMED:
             case ICON_THEMED: {
                 MatrixCursor cursor = new MatrixCursor(new String[]{BOOLEAN_VALUE});
-                cursor.newRow().add(BOOLEAN_VALUE,
-                        ThemeManager.INSTANCE.get(getContext()).isMonoThemeEnabled() ? 1 : 0);
+                cursor.newRow().add(BOOLEAN_VALUE, mThemeManager.isMonoThemeEnabled() ? 1 : 0);
                 return cursor;
             }
             default:
@@ -213,38 +230,21 @@
     }
 
     @Override
-    public String getType(Uri uri) {
-        return "vnd.android.cursor.dir/launcher_grid";
-    }
-
-    @Override
-    public Uri insert(Uri uri, ContentValues initialValues) {
-        return null;
-    }
-
-    @Override
-    public int delete(Uri uri, String selection, String[] selectionArgs) {
-        return 0;
-    }
-
-    @Override
     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
         String path = uri.getPath();
-        Context context = getContext();
-        if (path == null || context == null) {
+        if (path == null) {
             return 0;
         }
         switch (path) {
             case KEY_DEFAULT_GRID: {
                 if (Flags.newCustomizationPickerUi()) {
-                    LauncherPrefs.INSTANCE.get(context).put(PREF_ICON_SHAPE,
+                    mPrefs.put(PREF_ICON_SHAPE,
                             requireNonNullElse(values.getAsString(KEY_SHAPE_KEY), ""));
                 }
                 String gridName = values.getAsString(KEY_NAME);
-                InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(context);
                 // Verify that this is a valid grid option
                 GridOption match = null;
-                for (GridOption option : idp.parseAllGridOptions(context)) {
+                for (GridOption option : mIdp.parseAllGridOptions(mContext)) {
                     String name = option.name;
                     if (name != null && name.equals(gridName)) {
                         match = option;
@@ -255,23 +255,22 @@
                     return 0;
                 }
 
-                idp.setCurrentGrid(context, gridName);
+                mIdp.setCurrentGrid(mContext, gridName);
                 if (Flags.newCustomizationPickerUi()) {
                     try {
                         // Wait for device profile to be fully reloaded and applied to the launcher
-                        loadModelSync(context);
+                        loadModelSync(mContext);
                     } catch (ExecutionException | InterruptedException e) {
                         Log.e(TAG, "Fail to load model", e);
                     }
                 }
-                context.getContentResolver().notifyChange(uri, null);
+                mContext.getContentResolver().notifyChange(uri, null);
                 return 1;
             }
             case ICON_THEMED:
             case SET_ICON_THEMED: {
-                ThemeManager.INSTANCE.get(context)
-                        .setMonoThemeEnabled(values.getAsBoolean(BOOLEAN_VALUE));
-                context.getContentResolver().notifyChange(uri, null);
+                mThemeManager.setMonoThemeEnabled(values.getAsBoolean(BOOLEAN_VALUE));
+                mContext.getContentResolver().notifyChange(uri, null);
                 return 1;
             }
             default:
@@ -298,12 +297,7 @@
 
     @Override
     public Bundle call(@NonNull String method, String arg, Bundle extras) {
-        Context context = getContext();
-        if (context == null) {
-            return null;
-        }
-
-        if (context.checkPermission("android.permission.BIND_WALLPAPER",
+        if (mContext.checkPermission("android.permission.BIND_WALLPAPER",
                 Binder.getCallingPid(), Binder.getCallingUid())
                 != PackageManager.PERMISSION_GRANTED) {
             return null;
@@ -317,14 +311,10 @@
     }
 
     private synchronized Bundle getPreview(Bundle request) {
-        Context context = getContext();
-        if (context == null) {
-            return null;
-        }
         RunnableList lifeCycleTracker = new RunnableList();
         try {
             PreviewSurfaceRenderer renderer = new PreviewSurfaceRenderer(
-                    getContext(), lifeCycleTracker, request);
+                    mContext, lifeCycleTracker, request);
             PreviewLifecycleObserver observer =
                     new PreviewLifecycleObserver(lifeCycleTracker, renderer);
 
diff --git a/src/com/android/launcher3/graphics/LauncherCustomizationProvider.kt b/src/com/android/launcher3/graphics/LauncherCustomizationProvider.kt
new file mode 100644
index 0000000..c949e2e
--- /dev/null
+++ b/src/com/android/launcher3/graphics/LauncherCustomizationProvider.kt
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+package com.android.launcher3.graphics
+
+import android.content.Context
+import android.net.Uri
+import com.android.launcher3.dagger.LauncherComponentProvider.appComponent
+import com.android.launcher3.util.ContentProviderProxy
+
+/** Provider for various Launcher customizations exposed via a ContentProvider API */
+class LauncherCustomizationProvider : ContentProviderProxy() {
+
+    override fun getProxy(ctx: Context): ProxyProvider? = ctx.appComponent.gridCustomizationsProxy
+
+    override fun getType(uri: Uri) = "vnd.android.cursor.dir/launcher_grid"
+}
diff --git a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
index f0d670e..6fe5804 100644
--- a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
+++ b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
@@ -124,7 +124,7 @@
         if (Flags.newCustomizationPickerUi()) {
             updateColorOverrides(bundle);
         }
-        mHideQsb = bundle.getBoolean(GridCustomizationsProvider.KEY_HIDE_BOTTOM_ROW);
+        mHideQsb = bundle.getBoolean(GridCustomizationsProxy.KEY_HIDE_BOTTOM_ROW);
 
         mHostToken = bundle.getBinder(KEY_HOST_TOKEN);
         mWidth = bundle.getInt(KEY_VIEW_WIDTH);
diff --git a/src/com/android/launcher3/testing/TestInformationProvider.java b/src/com/android/launcher3/testing/TestInformationProvider.java
index 17b472a..4b592e7 100644
--- a/src/com/android/launcher3/testing/TestInformationProvider.java
+++ b/src/com/android/launcher3/testing/TestInformationProvider.java
@@ -16,61 +16,40 @@
 
 package com.android.launcher3.testing;
 
-import android.content.ContentProvider;
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.net.Uri;
+import android.content.Context;
 import android.os.Bundle;
 import android.util.Log;
 
-import com.android.launcher3.Utilities;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
-public class TestInformationProvider extends ContentProvider {
+import com.android.launcher3.Utilities;
+import com.android.launcher3.util.ContentProviderProxy;
+
+public class TestInformationProvider extends ContentProviderProxy {
 
     private static final String TAG = "TestInformationProvider";
 
+    @Nullable
     @Override
-    public boolean onCreate() {
-        return true;
-    }
-
-    @Override
-    public int update(Uri uri, ContentValues contentValues, String s, String[] strings) {
-        return 0;
-    }
-
-    @Override
-    public int delete(Uri uri, String s, String[] strings) {
-        return 0;
-    }
-
-    @Override
-    public Uri insert(Uri uri, ContentValues contentValues) {
-        return null;
-    }
-
-    @Override
-    public String getType(Uri uri) {
-        return null;
-    }
-
-    @Override
-    public Cursor query(Uri uri, String[] strings, String s, String[] strings1, String s1) {
-        return null;
-    }
-
-    @Override
-    public Bundle call(String method, String arg, Bundle extras) {
+    public ProxyProvider getProxy(@NonNull Context context) {
         if (Utilities.isRunningInTestHarness()) {
-            TestInformationHandler handler = TestInformationHandler.newInstance(getContext());
-            handler.init(getContext());
+            return new ProxyProvider() {
+                @Nullable
+                @Override
+                public Bundle call(@NonNull String method, @Nullable String arg,
+                        @Nullable Bundle extras) {
+                    TestInformationHandler handler = TestInformationHandler.newInstance(context);
+                    handler.init(context);
 
-            Bundle response =  handler.call(method, arg, extras);
-            if (response == null) {
-                Log.e(TAG, "Couldn't handle method: " + method + "; current handler="
-                        + handler.getClass().getSimpleName());
-            }
-            return response;
+                    Bundle response = handler.call(method, arg, extras);
+                    if (response == null) {
+                        Log.e(TAG, "Couldn't handle method: " + method + "; current handler="
+                                + handler.getClass().getSimpleName());
+                    }
+                    return response;
+                }
+            };
         }
         return null;
     }
diff --git a/src/com/android/launcher3/util/ContentProviderProxy.kt b/src/com/android/launcher3/util/ContentProviderProxy.kt
new file mode 100644
index 0000000..db693db
--- /dev/null
+++ b/src/com/android/launcher3/util/ContentProviderProxy.kt
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2025 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.
+ */
+
+package com.android.launcher3.util
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.content.Context
+import android.database.Cursor
+import android.net.Uri
+import android.os.Bundle
+
+/** Wrapper around [ContentProvider] which allows delegating all calls to an interface */
+abstract class ContentProviderProxy : ContentProvider() {
+
+    override fun onCreate() = true
+
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int =
+        checkGetProxy()?.delete(uri, selection, selectionArgs) ?: 0
+
+    /** Do not route this call through proxy as it doesn't generally require initializing objects */
+    override fun getType(uri: Uri): String? = null
+
+    override fun insert(uri: Uri, values: ContentValues?): Uri? =
+        checkGetProxy()?.insert(uri, values)
+
+    override fun query(
+        uri: Uri,
+        projection: Array<out String>?,
+        selection: String?,
+        selectionArgs: Array<out String>?,
+        sortOrder: String?,
+    ): Cursor? = checkGetProxy()?.query(uri, projection, selection, selectionArgs, sortOrder)
+
+    override fun update(
+        uri: Uri,
+        values: ContentValues?,
+        selection: String?,
+        selectionArgs: Array<out String>?,
+    ): Int = checkGetProxy()?.update(uri, values, selection, selectionArgs) ?: 0
+
+    override fun call(method: String, arg: String?, extras: Bundle?): Bundle? =
+        checkGetProxy()?.call(method, arg, extras)
+
+    private fun checkGetProxy(): ProxyProvider? = context?.let { getProxy(it) }
+
+    abstract fun getProxy(ctx: Context): ProxyProvider?
+
+    /** Interface for handling the actual content provider calls */
+    interface ProxyProvider {
+
+        fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int = 0
+
+        fun insert(uri: Uri, values: ContentValues?): Uri? = null
+
+        fun query(
+            uri: Uri,
+            projection: Array<out String>?,
+            selection: String?,
+            selectionArgs: Array<out String>?,
+            sortOrder: String?,
+        ): Cursor? = null
+
+        fun update(
+            uri: Uri,
+            values: ContentValues?,
+            selection: String?,
+            selectionArgs: Array<out String>?,
+        ): Int = 0
+
+        fun call(method: String, arg: String?, extras: Bundle?): Bundle? = null
+    }
+}