diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index 6e7214e..b602cea 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -177,6 +177,7 @@
     private final float mFastFlingVelocity;
     private final RecentsModel mModel;
     private final int mTaskTopMargin;
+    private final int mTaskBottomMargin;
     private final ClearAllButton mClearAllButton;
     private final Rect mClearAllButtonDeadZoneRect = new Rect();
     private final Rect mTaskViewDeadZoneRect = new Rect();
@@ -343,6 +344,8 @@
         setLayoutDirection(mIsRtl ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR);
         mTaskTopMargin = getResources()
                 .getDimensionPixelSize(R.dimen.task_thumbnail_top_margin);
+        mTaskBottomMargin = getResources().getDimensionPixelSize(
+                R.dimen.task_thumbnail_bottom_margin);
         mSquaredTouchSlop = squaredTouchSlop(context);
 
         mEmptyIcon = context.getDrawable(R.drawable.ic_empty_recents);
@@ -696,6 +699,7 @@
         mTaskHeight = mTempRect.height();
 
         mTempRect.top -= mTaskTopMargin;
+        mTempRect.bottom += mTaskBottomMargin;
         setPadding(mTempRect.left - mInsets.left, mTempRect.top - mInsets.top,
                 dp.widthPx - mInsets.right - mTempRect.right,
                 dp.heightPx - mInsets.bottom - mTempRect.bottom);
@@ -1467,7 +1471,7 @@
 
         // Set the pivot points to match the task preview center
         setPivotY(((mInsets.top + getPaddingTop() + mTaskTopMargin)
-                + (getHeight() - mInsets.bottom - getPaddingBottom())) / 2);
+                + (getHeight() - mInsets.bottom - getPaddingBottom() - mTaskBottomMargin)) / 2);
         setPivotX(((mInsets.left + getPaddingLeft())
                 + (getWidth() - mInsets.right - getPaddingRight())) / 2);
     }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
index a1775f4..0bfde64 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
@@ -540,8 +540,11 @@
             }
 
             addView(view, indexToAdd);
-            ((LayoutParams) view.getLayoutParams()).gravity =
+            LayoutParams layoutParams = (LayoutParams) view.getLayoutParams();
+            layoutParams.gravity =
                     Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL;
+            layoutParams.bottomMargin =
+                    ((MarginLayoutParams) mSnapshotView.getLayoutParams()).bottomMargin;
             view.setAlpha(mFooterAlpha);
             mFooters[index] = new FooterWrapper(view);
             if (shouldAnimateEntry) {
@@ -618,10 +621,12 @@
     private static final class TaskOutlineProvider extends ViewOutlineProvider {
 
         private final int mMarginTop;
+        private final int mMarginBottom;
         private FullscreenDrawParams mFullscreenParams;
 
         TaskOutlineProvider(Resources res, FullscreenDrawParams fullscreenParams) {
             mMarginTop = res.getDimensionPixelSize(R.dimen.task_thumbnail_top_margin);
+            mMarginBottom = res.getDimensionPixelSize(R.dimen.task_thumbnail_bottom_margin);
             mFullscreenParams = fullscreenParams;
         }
 
@@ -636,7 +641,7 @@
             outline.setRoundRect(0,
                     (int) (mMarginTop * scale),
                     (int) ((insets.left + view.getWidth() + insets.right) * scale),
-                    (int) ((insets.top + view.getHeight() + insets.bottom) * scale),
+                    (int) ((insets.top + view.getHeight() + insets.bottom - mMarginBottom) * scale),
                     mFullscreenParams.mCurrentDrawnCornerRadius);
         }
     }
diff --git a/quickstep/res/layout/task.xml b/quickstep/res/layout/task.xml
index 60cfa0c..7a36416 100644
--- a/quickstep/res/layout/task.xml
+++ b/quickstep/res/layout/task.xml
@@ -25,7 +25,8 @@
         android:id="@+id/snapshot"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_marginTop="@dimen/task_thumbnail_top_margin"/>
+        android:layout_marginTop="@dimen/task_thumbnail_top_margin"
+        android:layout_marginBottom="@dimen/task_thumbnail_bottom_margin"/>
 
     <com.android.quickstep.views.IconView
         android:id="@+id/icon"
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 78424ca..82833ea 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -18,6 +18,8 @@
 
     <dimen name="task_thumbnail_top_margin">24dp</dimen>
     <dimen name="task_thumbnail_half_top_margin">12dp</dimen>
+    <!-- Can be overridden in overlays. -->
+    <dimen name="task_thumbnail_bottom_margin">0dp</dimen>
     <dimen name="task_thumbnail_icon_size">48dp</dimen>
     <!-- For screens without rounded corners -->
     <dimen name="task_corner_radius_small">2dp</dimen>
diff --git a/quickstep/src/com/android/quickstep/util/LayoutUtils.java b/quickstep/src/com/android/quickstep/util/LayoutUtils.java
index 2e118b4..c47bb4a 100644
--- a/quickstep/src/com/android/quickstep/util/LayoutUtils.java
+++ b/quickstep/src/com/android/quickstep/util/LayoutUtils.java
@@ -105,6 +105,7 @@
         }
 
         float topIconMargin = res.getDimension(R.dimen.task_thumbnail_top_margin);
+        float bottomMargin = res.getDimension(R.dimen.task_thumbnail_bottom_margin);
         float paddingVert = res.getDimension(R.dimen.task_card_vert_space);
 
         // Note this should be same as dp.availableWidthPx and dp.availableHeightPx unless
@@ -113,7 +114,7 @@
         int launcherVisibleHeight = dp.heightPx - insets.top - insets.bottom;
 
         float availableHeight = launcherVisibleHeight
-                - topIconMargin - extraVerticalSpace - paddingVert;
+                - topIconMargin - extraVerticalSpace - paddingVert - bottomMargin;
         float availableWidth = launcherVisibleWidth - paddingHorz;
 
         float scale = Math.min(availableWidth / taskWidth, availableHeight / taskHeight);
diff --git a/res/values-land/dimens.xml b/res/values-land/dimens.xml
index bc658e4..662b86e 100644
--- a/res/values-land/dimens.xml
+++ b/res/values-land/dimens.xml
@@ -15,9 +15,6 @@
 -->
 
 <resources>
-    <!-- Container -->
-    <item name="container_margin" format="fraction" type="fraction">12%</item>
-
     <!-- Fast scroll -->
     <dimen name="fastscroll_popup_width">58dp</dimen>
     <dimen name="fastscroll_popup_height">48dp</dimen>
diff --git a/res/values/config.xml b/res/values/config.xml
index 2a1f6f7..0dfed97 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -114,4 +114,7 @@
 
     <!-- Recents -->
     <item type="id" name="overview_panel"/>
+
+    <!-- Configuration resources -->
+    <array name="dynamic_resources"> </array>
 </resources>
diff --git a/res/xml/dynamic_resources.xml b/res/xml/dynamic_resources.xml
new file mode 100644
index 0000000..f5d2628
--- /dev/null
+++ b/res/xml/dynamic_resources.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<DynamicResources>
+    <entry id="@color/delete_target_hover_tint" />
+    <entry id="@color/delete_target_hover_tint" />
+    <entry id="@color/delete_target_hover_tint" />
+    <entry id="@color/delete_target_hover_tint" />
+
+
+</DynamicResources>
\ No newline at end of file
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index f4b705e..ae30380 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -69,16 +69,8 @@
      *
      * To add a new flag that can be toggled through the flags UI:
      *
-     * 1. Declare a new ToggleableFlag below. Give it a unique key (e.g. "QSB_ON_FIRST_SCREEN"),
+     * Declare a new ToggleableFlag below. Give it a unique key (e.g. "QSB_ON_FIRST_SCREEN"),
      *    and set a default value for the flag. This will be the default value on Debug builds.
-     *
-     * 2. Add your flag to mTogglableFlags.
-     *
-     * 3. Create a getter method (an 'is' method) for the flag by copying an existing one.
-     *
-     * 4. Create a getter method with the same name in the release flags copy of FeatureFlags.java.
-     *    This should returns a constant (true/false). This will be the value of the flag used on
-     *    release builds.
      */
     // When enabled the promise icon is visible in all apps while installation an app.
     public static final TogglableFlag PROMISE_APPS_IN_ALL_APPS = new TogglableFlag(
diff --git a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
index a9242f9..3668313 100644
--- a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
+++ b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.settings;
 
+import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS;
+
 import static com.android.launcher3.uioverrides.plugins.PluginManagerWrapper.PLUGIN_CHANGED;
 import static com.android.launcher3.uioverrides.plugins.PluginManagerWrapper.pluginEnabledKey;
 
@@ -24,28 +26,21 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.pm.PackageInfo;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.util.ArrayMap;
-import android.util.ArraySet;
+import android.util.Pair;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 
-import com.android.launcher3.R;
-import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.config.FlagTogglerPrefUi;
-import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
-
-import java.util.List;
-import java.util.Set;
-
 import androidx.preference.Preference;
 import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceDataStore;
@@ -54,6 +49,16 @@
 import androidx.preference.PreferenceViewHolder;
 import androidx.preference.SwitchPreference;
 
+import com.android.launcher3.R;
+import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.config.FlagTogglerPrefUi;
+import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
 /**
  * Dev-build only UI allowing developers to toggle flag settings and plugins.
  * See {@link FeatureFlags}.
@@ -154,44 +159,53 @@
         PackageManager pm = getContext().getPackageManager();
 
         Set<String> pluginActions = manager.getPluginActions();
-        ArrayMap<String, ArraySet<String>> plugins = new ArrayMap<>();
+
+        ArrayMap<Pair<String, String>, ArrayList<Pair<String, ServiceInfo>>> plugins =
+                new ArrayMap<>();
+
+        Set<String> pluginPermissionApps = pm.getPackagesHoldingPermissions(
+                new String[]{PLUGIN_PERMISSION}, MATCH_DISABLED_COMPONENTS)
+                .stream()
+                .map(pi -> pi.packageName)
+                .collect(Collectors.toSet());
+
         for (String action : pluginActions) {
             String name = toName(action);
             List<ResolveInfo> result = pm.queryIntentServices(
-                    new Intent(action), PackageManager.MATCH_DISABLED_COMPONENTS);
+                    new Intent(action), MATCH_DISABLED_COMPONENTS);
             for (ResolveInfo info : result) {
                 String packageName = info.serviceInfo.packageName;
-                if (!plugins.containsKey(packageName)) {
-                    plugins.put(packageName, new ArraySet<>());
+                if (!pluginPermissionApps.contains(packageName)) {
+                    continue;
                 }
-                plugins.get(packageName).add(name);
+
+                Pair<String, String> key = Pair.create(packageName, info.serviceInfo.processName);
+                if (!plugins.containsKey(key)) {
+                    plugins.put(key, new ArrayList<>());
+                }
+                plugins.get(key).add(Pair.create(name, info.serviceInfo));
             }
         }
 
-        List<PackageInfo> apps = pm.getPackagesHoldingPermissions(new String[]{PLUGIN_PERMISSION},
-                PackageManager.MATCH_DISABLED_COMPONENTS | PackageManager.GET_SERVICES);
-        PreferenceDataStore enabled = manager.getPluginEnabler();
-        apps.forEach(app -> {
-            if (!plugins.containsKey(app.packageName)) return;
-            SwitchPreference pref = new PluginPreference(prefContext, app, enabled);
-            pref.setSummary("Plugins: " + toString(plugins.get(app.packageName)));
-            mPluginsCategory.addPreference(pref);
+        PreferenceDataStore enabler = manager.getPluginEnabler();
+        plugins.forEach((key, si) -> {
+            String packageName = key.first;
+            List<ComponentName> componentNames = si.stream()
+                    .map(p -> new ComponentName(packageName, p.second.name))
+                    .collect(Collectors.toList());
+            if (!componentNames.isEmpty()) {
+                SwitchPreference pref = new PluginPreference(
+                        prefContext, si.get(0).second.applicationInfo, enabler, componentNames);
+                pref.setSummary("Plugins: "
+                        + si.stream().map(p -> p.first).collect(Collectors.joining(", ")));
+                mPluginsCategory.addPreference(pref);
+            }
         });
     }
 
-    private String toString(ArraySet<String> plugins) {
-        StringBuilder b = new StringBuilder();
-        for (String string : plugins) {
-            if (b.length() != 0) {
-                b.append(", ");
-            }
-            b.append(string);
-        }
-        return b.toString();
-    }
-
     private String toName(String action) {
-        String str = action.replace("com.android.systemui.action.PLUGIN_", "");
+        String str = action.replace("com.android.systemui.action.PLUGIN_", "")
+                .replace("com.android.launcher3.action.PLUGIN_", "");
         StringBuilder b = new StringBuilder();
         for (String s : str.split("_")) {
             if (b.length() != 0) {
@@ -205,18 +219,20 @@
 
     private static class PluginPreference extends SwitchPreference {
         private final boolean mHasSettings;
-        private final PackageInfo mInfo;
         private final PreferenceDataStore mPluginEnabler;
+        private final String mPackageName;
+        private final List<ComponentName> mComponentNames;
 
-        public PluginPreference(Context prefContext, PackageInfo info,
-                PreferenceDataStore pluginEnabler) {
+        PluginPreference(Context prefContext, ApplicationInfo info,
+                PreferenceDataStore pluginEnabler, List<ComponentName> componentNames) {
             super(prefContext);
             PackageManager pm = prefContext.getPackageManager();
             mHasSettings = pm.resolveActivity(new Intent(ACTION_PLUGIN_SETTINGS)
                     .setPackage(info.packageName), 0) != null;
-            mInfo = info;
+            mPackageName = info.packageName;
+            mComponentNames = componentNames;
             mPluginEnabler = pluginEnabler;
-            setTitle(info.applicationInfo.loadLabel(pm));
+            setTitle(info.loadLabel(pm));
             setChecked(isPluginEnabled());
             setWidgetLayoutResource(R.layout.switch_preference_with_settings);
         }
@@ -227,9 +243,7 @@
         }
 
         private boolean isPluginEnabled() {
-            for (int i = 0; i < mInfo.services.length; i++) {
-                ComponentName componentName = new ComponentName(mInfo.packageName,
-                        mInfo.services[i].name);
+            for (ComponentName componentName : mComponentNames) {
                 if (!isEnabled(componentName)) {
                     return false;
                 }
@@ -240,17 +254,14 @@
         @Override
         protected boolean persistBoolean(boolean isEnabled) {
             boolean shouldSendBroadcast = false;
-            for (int i = 0; i < mInfo.services.length; i++) {
-                ComponentName componentName = new ComponentName(mInfo.packageName,
-                        mInfo.services[i].name);
-
+            for (ComponentName componentName : mComponentNames) {
                 if (isEnabled(componentName) != isEnabled) {
                     mPluginEnabler.putBoolean(pluginEnabledKey(componentName), isEnabled);
                     shouldSendBroadcast = true;
                 }
             }
             if (shouldSendBroadcast) {
-                final String pkg = mInfo.packageName;
+                final String pkg = mPackageName;
                 final Intent intent = new Intent(PLUGIN_CHANGED,
                         pkg != null ? Uri.fromParts("package", pkg, null) : null);
                 getContext().sendBroadcast(intent);
@@ -268,8 +279,7 @@
                     : View.GONE);
             holder.findViewById(R.id.settings).setOnClickListener(v -> {
                 ResolveInfo result = v.getContext().getPackageManager().resolveActivity(
-                        new Intent(ACTION_PLUGIN_SETTINGS).setPackage(
-                                mInfo.packageName), 0);
+                        new Intent(ACTION_PLUGIN_SETTINGS).setPackage(mPackageName), 0);
                 if (result != null) {
                     v.getContext().startActivity(new Intent().setComponent(
                             new ComponentName(result.activityInfo.packageName,
@@ -278,7 +288,7 @@
             });
             holder.itemView.setOnLongClickListener(v -> {
                 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
-                intent.setData(Uri.fromParts("package", mInfo.packageName, null));
+                intent.setData(Uri.fromParts("package", mPackageName, null));
                 getContext().startActivity(intent);
                 return true;
             });
diff --git a/src/com/android/launcher3/util/DynamicResource.java b/src/com/android/launcher3/util/DynamicResource.java
new file mode 100644
index 0000000..8a75767
--- /dev/null
+++ b/src/com/android/launcher3/util/DynamicResource.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2019 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.Context;
+
+import androidx.annotation.ColorRes;
+import androidx.annotation.DimenRes;
+import androidx.annotation.FractionRes;
+import androidx.annotation.IntegerRes;
+
+import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
+import com.android.systemui.plugins.PluginListener;
+import com.android.systemui.plugins.ResourceProvider;
+
+/**
+ * Utility class to support customizing resource values using plugins
+ *
+ * To load resources, call
+ *    DynamicResource.provider(context).getInt(resId) or any other supported methods
+ *
+ * To allow customization for a particular resource, add them to dynamic_resources.xml
+ */
+public class DynamicResource implements ResourceProvider, PluginListener<ResourceProvider> {
+
+    private static final MainThreadInitializedObject<DynamicResource> INSTANCE =
+            new MainThreadInitializedObject<>(DynamicResource::new);
+
+    private final Context mContext;
+    private ResourceProvider mPlugin;
+
+    private DynamicResource(Context context) {
+        mContext = context;
+        PluginManagerWrapper.INSTANCE.get(context).addPluginListener(this,
+                ResourceProvider.class, false /* allowedMultiple */);
+    }
+
+    @Override
+    public int getInt(@IntegerRes int resId) {
+        return mContext.getResources().getInteger(resId);
+    }
+
+    @Override
+    public float getFraction(@FractionRes int resId) {
+        return mContext.getResources().getFraction(resId, 1, 1);
+    }
+
+    @Override
+    public float getDimension(@DimenRes int resId) {
+        return mContext.getResources().getDimension(resId);
+    }
+
+    @Override
+    public int getColor(@ColorRes int resId) {
+        return mContext.getResources().getColor(resId, null);
+    }
+
+    @Override
+    public void onPluginConnected(ResourceProvider plugin, Context context) {
+        mPlugin = plugin;
+    }
+
+    @Override
+    public void onPluginDisconnected(ResourceProvider plugin) {
+        mPlugin = null;
+    }
+
+    /**
+     * Returns the currently active or default provider
+     */
+    public static ResourceProvider provider(Context context) {
+        DynamicResource dr = DynamicResource.INSTANCE.get(context);
+        ResourceProvider plugin = dr.mPlugin;
+        return plugin == null ? dr : plugin;
+    }
+}
diff --git a/src_plugins/com/android/systemui/plugins/ResourceProvider.java b/src_plugins/com/android/systemui/plugins/ResourceProvider.java
new file mode 100644
index 0000000..eaed9e7
--- /dev/null
+++ b/src_plugins/com/android/systemui/plugins/ResourceProvider.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2019 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.systemui.plugins;
+
+import com.android.systemui.plugins.annotations.ProvidesInterface;
+
+/**
+ * Plugin to support customizing resource
+ */
+@ProvidesInterface(action = ResourceProvider.ACTION, version = ResourceProvider.VERSION)
+public interface ResourceProvider extends Plugin {
+    String ACTION = "com.android.launcher3.action.PLUGIN_DYNAMIC_RESOURCE";
+    int VERSION = 1;
+
+    /**
+     * @see android.content.res.Resources#getInteger(int)
+     */
+    int getInt(int resId);
+
+    /**
+     * @see android.content.res.Resources#getFraction(int, int, int)
+     */
+    float getFraction(int resId);
+
+    /**
+     * @see android.content.res.Resources#getDimension(int)
+     */
+    float getDimension(int resId);
+
+    /**
+     * @see android.content.res.Resources#getColor(int)
+     */
+    int getColor(int resId);
+}