Snap for 8287852 from 7db484396a to tm-release

Change-Id: I661f70a4b5eea3cccc6d527380b5dd846bfbfe9d

Android.bp

@@ -31,6 +31,7 @@ android_library {
         "androidx.test.uiautomator_uiautomator",
         "androidx.preference_preference",
         "SystemUISharedLib",
+        "SystemUIAnimationLib",
     ],
     srcs: [
         "tests/tapl/**/*.java",
@@ -196,6 +197,7 @@ android_library {
         "lottie",
         "SystemUISharedLib",
         "SystemUI-statsd",
+        "SystemUIAnimationLib",
     ],
     manifest: "quickstep/AndroidManifest.xml",
     min_sdk_version: "current",
@@ -287,6 +289,7 @@ android_library {
         "SystemUISharedLib",
         "Launcher3CommonDepsLib",
         "QuickstepResLib",
+        "SystemUIAnimationLib",
     ],
     manifest: "quickstep/AndroidManifest.xml",
     platform_apis: true,

OWNERS

@@ -39,6 +39,7 @@ peanutbutter@google.com
 xuqiu@google.com
 sreyasr@google.com
 thiruram@google.com
+brianji@google.com
 
 per-file FeatureFlags.java, globs = set noparent
 per-file FeatureFlags.java = sunnygoyal@google.com, winsonc@google.com, zakcohen@google.com, mrcasey@google.com, adamcohen@google.com, hyunyoungs@google.com

quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java

@@ -292,8 +292,8 @@ public abstract class BaseQuickstepLauncher extends Launcher {
         mActionsView = findViewById(R.id.overview_actions_view);
         RecentsView overviewPanel = (RecentsView) getOverviewPanel();
         SplitSelectStateController controller =
-                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this),
-                        getStateManager(), getDepthController());
+                new SplitSelectStateController(this, mHandler, getStateManager(),
+                        getDepthController());
         overviewPanel.init(mActionsView, controller);
         mActionsView.setDp(getDeviceProfile());
         mActionsView.updateVerticalMargin(DisplayController.getNavigationMode(this));

quickstep/src/com/android/launcher3/QuickstepTransitionManager.java

@@ -1301,8 +1301,8 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
             }
         }
 
-        return mLauncher.getFirstMatchForAppClose(launchCookieItemId,
-                packageName, UserHandle.of(runningTaskTarget.taskInfo.userId));
+        return mLauncher.getFirstMatchForAppClose(launchCookieItemId, packageName,
+                UserHandle.of(runningTaskTarget.taskInfo.userId), true /* supportsAllAppsState */);
     }
 
     private @NonNull RectF getDefaultWindowTargetRect() {

quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java

@@ -29,13 +29,16 @@ import androidx.annotation.NonNull;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseQuickstepLauncher;
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherState;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.RecentsAnimationCallbacks;
 import com.android.quickstep.RecentsAnimationController;
 import com.android.quickstep.views.RecentsView;
+import com.android.systemui.animation.ViewRootSync;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
 import java.util.HashMap;
@@ -76,6 +79,9 @@ import java.util.function.Supplier;
 
     private boolean mShouldDelayLauncherStateAnim;
 
+    // We skip any view synchronizations during init/destroy.
+    private boolean mCanSyncViews;
+
     private final StateManager.StateListener<LauncherState> mStateListener =
             new StateManager.StateListener<LauncherState>() {
 
@@ -102,6 +108,8 @@ import java.util.function.Supplier;
             };
 
     public void init(TaskbarControllers controllers, BaseQuickstepLauncher launcher) {
+        mCanSyncViews = false;
+
         mControllers = controllers;
         mLauncher = launcher;
 
@@ -121,9 +129,13 @@ import java.util.function.Supplier;
         updateStateForFlag(FLAG_RESUMED, launcher.hasBeenResumed());
         mLauncherState = launcher.getStateManager().getState();
         applyState(0);
+
+        mCanSyncViews = true;
     }
 
     public void onDestroy() {
+        mCanSyncViews = false;
+
         mIconAlignmentForResumedState.finishAnimation();
         mIconAlignmentForGestureState.finishAnimation();
         mIconAlignmentForLauncherState.finishAnimation();
@@ -131,6 +143,8 @@ import java.util.function.Supplier;
         mIconAlphaForHome.setConsumer(null);
         mLauncher.getHotseat().setIconsAlpha(1f);
         mLauncher.getStateManager().removeStateListener(mStateListener);
+
+        mCanSyncViews = true;
     }
 
     public Animator createAnimToLauncher(@NonNull LauncherState toState,
@@ -380,6 +394,27 @@ import java.util.function.Supplier;
             return;
         }
         float alignment = alignmentSupplier.get();
+        float currentValue = mIconAlphaForHome.getValue();
+        boolean taskbarWillBeVisible = alignment < 1;
+        boolean firstFrameVisChanged = (taskbarWillBeVisible && Float.compare(currentValue, 1) != 0)
+                || (!taskbarWillBeVisible && Float.compare(currentValue, 0) != 0);
+
+        // Sync the first frame where we swap taskbar and hotseat.
+        if (firstFrameVisChanged && mCanSyncViews && !Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            DeviceProfile dp = mLauncher.getDeviceProfile();
+
+            // Do all the heavy work before the sync.
+            mControllers.taskbarViewController.createIconAlignmentControllerIfNotExists(dp);
+
+            ViewRootSync.synchronizeNextDraw(mLauncher.getHotseat(),
+                    mControllers.taskbarActivityContext.getDragLayer(),
+                    () -> updateIconAlignment(alignment));
+        } else {
+            updateIconAlignment(alignment);
+        }
+    }
+
+    private void updateIconAlignment(float alignment) {
         mControllers.taskbarViewController.setLauncherIconAlignment(
                 alignment, mLauncher.getDeviceProfile());
 

quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java

@@ -182,6 +182,16 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
                 + mTaskbarIconTranslationYForStash.value);
     }
 
+    /**
+     * Creates the icon alignment controller if it does not already exist.
+     * @param launcherDp Launcher device profile.
+     */
+    public void createIconAlignmentControllerIfNotExists(DeviceProfile launcherDp) {
+        if (mIconAlignControllerLazy == null) {
+            mIconAlignControllerLazy = createIconAlignmentController(launcherDp);
+        }
+    }
+
     /**
      * Sets the taskbar icon alignment relative to Launcher hotseat icons
      * @param alignmentRatio [0, 1]
@@ -189,9 +199,7 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
      *                       1 => fully aligned
      */
     public void setLauncherIconAlignment(float alignmentRatio, DeviceProfile launcherDp) {
-        if (mIconAlignControllerLazy == null) {
-            mIconAlignControllerLazy = createIconAlignmentController(launcherDp);
-        }
+        createIconAlignmentControllerIfNotExists(launcherDp);
         mIconAlignControllerLazy.setPlayFraction(alignmentRatio);
         if (alignmentRatio <= 0 || alignmentRatio >= 1) {
             // Cleanup lazy controller so that it is created again in next animation

quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java

@@ -233,7 +233,8 @@ public class LauncherSwipeHandlerV2 extends
 
         return mActivity.getFirstMatchForAppClose(launchCookieItemId,
                 runningTaskView.getTask().key.getComponent().getPackageName(),
-                UserHandle.of(runningTaskView.getTask().key.userId));
+                UserHandle.of(runningTaskView.getTask().key.userId),
+                false /* supportsAllAppsState */);
     }
 
     @Override

quickstep/src/com/android/quickstep/RecentsActivity.java

@@ -135,8 +135,8 @@ public final class RecentsActivity extends StatefulActivity<RecentsState> {
         SYSUI_PROGRESS.set(getRootView().getSysUiScrim(), 0f);
 
         SplitSelectStateController controller =
-                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this),
-                        getStateManager(), null /*depthController*/);
+                new SplitSelectStateController(this, mHandler, getStateManager(),
+                        null /* depthController */);
         mDragLayer.recreateControllers();
         mFallbackRecentsView.init(mActionsView, controller);
 

quickstep/src/com/android/quickstep/util/SplitSelectStateController.java

@@ -17,6 +17,7 @@
 package com.android.quickstep.util;
 
 import static android.app.ActivityTaskManager.INVALID_TASK_ID;
+import static android.app.PendingIntent.FLAG_MUTABLE;
 
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
@@ -27,9 +28,11 @@ import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITIO
 import android.app.ActivityOptions;
 import android.app.ActivityThread;
 import android.app.PendingIntent;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Handler;
 import android.os.IBinder;
+import android.text.TextUtils;
 import android.view.RemoteAnimationAdapter;
 import android.view.SurfaceControl;
 import android.window.TransitionInfo;
@@ -45,6 +48,7 @@ import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.TaskView;
+import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
@@ -59,12 +63,13 @@ import java.util.function.Consumer;
  */
 public class SplitSelectStateController {
 
+    private final Context mContext;
     private final Handler mHandler;
     private final SystemUiProxy mSystemUiProxy;
     private final StateManager mStateManager;
     private final DepthController mDepthController;
     private @StagePosition int mStagePosition;
-    private PendingIntent mInitialTaskPendingIntent;
+    private Intent mInitialTaskIntent;
     private int mInitialTaskId = INVALID_TASK_ID;
     private int mSecondTaskId = INVALID_TASK_ID;
     private boolean mRecentsAnimationRunning;
@@ -72,10 +77,11 @@ public class SplitSelectStateController {
     @Nullable
     private GroupedTaskView mLaunchingTaskView;
 
-    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy,
-            StateManager stateManager, DepthController depthController) {
+    public SplitSelectStateController(Context context, Handler handler, StateManager stateManager,
+            DepthController depthController) {
+        mContext = context;
         mHandler = handler;
-        mSystemUiProxy = systemUiProxy;
+        mSystemUiProxy = SystemUiProxy.INSTANCE.get(mContext);
         mStateManager = stateManager;
         mDepthController = depthController;
     }
@@ -86,12 +92,11 @@ public class SplitSelectStateController {
     public void setInitialTaskSelect(int taskId, @StagePosition int stagePosition) {
         mInitialTaskId = taskId;
         mStagePosition = stagePosition;
-        mInitialTaskPendingIntent = null;
+        mInitialTaskIntent = null;
     }
 
-    public void setInitialTaskSelect(PendingIntent pendingIntent,
-            @StagePosition int stagePosition) {
-        mInitialTaskPendingIntent = pendingIntent;
+    public void setInitialTaskSelect(Intent intent, @StagePosition int stagePosition) {
+        mInitialTaskIntent = intent;
         mStagePosition = stagePosition;
         mInitialTaskId = INVALID_TASK_ID;
     }
@@ -99,9 +104,22 @@ public class SplitSelectStateController {
     /**
      * To be called after second task selected
      */
-    public void setSecondTaskId(int taskId, Consumer<Boolean> callback) {
-        mSecondTaskId = taskId;
-        launchTasks(mInitialTaskId, mInitialTaskPendingIntent, mSecondTaskId, mStagePosition,
+    public void setSecondTask(Task task, Consumer<Boolean> callback) {
+        mSecondTaskId = task.key.id;
+        final Intent fillInIntent;
+        if (mInitialTaskIntent != null) {
+            fillInIntent = new Intent();
+            if (TextUtils.equals(mInitialTaskIntent.getComponent().getPackageName(),
+                    task.topActivity.getPackageName())) {
+                fillInIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
+            }
+        } else {
+            fillInIntent = null;
+        }
+        final PendingIntent pendingIntent =
+                mInitialTaskIntent == null ? null : PendingIntent.getActivity(mContext, 0,
+                        mInitialTaskIntent, FLAG_MUTABLE);
+        launchTasks(mInitialTaskId, pendingIntent, fillInIntent, mSecondTaskId, mStagePosition,
                 callback, false /* freezeTaskList */, DEFAULT_SPLIT_RATIO);
     }
 
@@ -113,18 +131,32 @@ public class SplitSelectStateController {
         mLaunchingTaskView = groupedTaskView;
         TaskView.TaskIdAttributeContainer[] taskIdAttributeContainers =
                 groupedTaskView.getTaskIdAttributeContainers();
-        launchTasks(taskIdAttributeContainers[0].getTask().key.id, null,
+        launchTasks(taskIdAttributeContainers[0].getTask().key.id,
                 taskIdAttributeContainers[1].getTask().key.id,
                 taskIdAttributeContainers[0].getStagePosition(), callback, freezeTaskList,
                 groupedTaskView.getSplitRatio());
     }
 
     /**
+     * To be called when we want to launch split pairs from Overview when split is initiated from
+     * Overview.
+     */
+    public void launchTasks(int taskId1, int taskId2, @StagePosition int stagePosition,
+            Consumer<Boolean> callback, boolean freezeTaskList, float splitRatio) {
+        launchTasks(taskId1, null /* taskPendingIntent */, null /* fillInIntent */, taskId2,
+                stagePosition, callback, freezeTaskList, splitRatio);
+    }
+
+    /**
+     * To be called when we want to launch split pairs from Overview. Split can be initiated from
+     * either Overview or home, or all apps. Either both taskIds are set, or a pending intent + a
+     * fill in intent with a taskId2 are set.
+     * @param taskPendingIntent is null when split is initiated from Overview
      * @param stagePosition representing location of task1
      */
     public void launchTasks(int taskId1, @Nullable PendingIntent taskPendingIntent,
-            int taskId2, @StagePosition int stagePosition, Consumer<Boolean> callback,
-            boolean freezeTaskList, float splitRatio) {
+            @Nullable Intent fillInIntent, int taskId2, @StagePosition int stagePosition,
+            Consumer<Boolean> callback, boolean freezeTaskList, float splitRatio) {
         // Assume initial task is for top/left part of screen
         final int[] taskIds = stagePosition == STAGE_POSITION_TOP_OR_LEFT
                 ? new int[]{taskId1, taskId2}
@@ -156,7 +188,7 @@ public class SplitSelectStateController {
                         splitRatio, adapter);
             } else {
                 mSystemUiProxy.startIntentAndTaskWithLegacyTransition(taskPendingIntent,
-                        new Intent(), taskId2, mainOpts.toBundle(), null /* sideOptions */,
+                        fillInIntent, taskId2, mainOpts.toBundle(), null /* sideOptions */,
                         stagePosition, splitRatio, adapter);
             }
         }
@@ -250,7 +282,7 @@ public class SplitSelectStateController {
      */
     public void resetState() {
         mInitialTaskId = INVALID_TASK_ID;
-        mInitialTaskPendingIntent = null;
+        mInitialTaskIntent = null;
         mSecondTaskId = INVALID_TASK_ID;
         mStagePosition = SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
         mRecentsAnimationRunning = false;
@@ -262,7 +294,7 @@ public class SplitSelectStateController {
      *         chosen
      */
     public boolean isSplitSelectActive() {
-        return (mInitialTaskId != INVALID_TASK_ID || mInitialTaskPendingIntent != null)
+        return (mInitialTaskId != INVALID_TASK_ID || mInitialTaskIntent != null)
                 && mSecondTaskId == INVALID_TASK_ID;
     }
 }

quickstep/src/com/android/quickstep/views/GroupedTaskView.java

@@ -182,9 +182,8 @@ public class GroupedTaskView extends TaskView {
 
     @Override
     public void launchTask(@NonNull Consumer<Boolean> callback, boolean freezeTaskList) {
-        getRecentsView().getSplitPlaceholder().launchTasks(mTask.key.id, null,
-                mSecondaryTask.key.id, STAGE_POSITION_TOP_OR_LEFT, callback, freezeTaskList,
-                getSplitRatio());
+        getRecentsView().getSplitPlaceholder().launchTasks(mTask.key.id, mSecondaryTask.key.id,
+                STAGE_POSITION_TOP_OR_LEFT, callback, freezeTaskList, getSplitRatio());
     }
 
     @Override

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -16,7 +16,6 @@
 
 package com.android.quickstep.views;
 
-import static android.app.PendingIntent.FLAG_MUTABLE;
 import static android.view.Surface.ROTATION_0;
 import static android.view.View.MeasureSpec.EXACTLY;
 import static android.view.View.MeasureSpec.makeMeasureSpec;
@@ -67,8 +66,6 @@ import android.animation.PropertyValuesHolder;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
 import android.app.ActivityManager.RunningTaskInfo;
-import android.app.PendingIntent;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.LocusId;
 import android.content.res.Configuration;
@@ -2011,22 +2008,6 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
         return null;
     }
 
-    @Nullable
-    private TaskView getTaskViewByComponentName(ComponentName componentName) {
-        if (componentName == null) {
-            return null;
-        }
-
-        for (int i = 0; i < getTaskViewCount(); i++) {
-            TaskView taskView = requireTaskViewAt(i);
-            if (taskView.getItemInfo().getIntent().getComponent().getPackageName().equals(
-                    componentName.getPackageName())) {
-                return taskView;
-            }
-        }
-        return null;
-    }
-
     public int getRunningTaskIndex() {
         TaskView taskView = getRunningTaskView();
         return taskView == null ? -1 : indexOfChild(taskView);
@@ -3969,17 +3950,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
     }
 
     public void initiateSplitSelect(QuickstepSystemShortcut.SplitSelectSource splitSelectSource) {
-        // Remove the task if it exists in Overview
-        TaskView matchingTaskView = getTaskViewByComponentName(
-                splitSelectSource.intent.getComponent());
-        if (matchingTaskView != null) {
-            removeTaskInternal(matchingTaskView.getTaskViewId());
-        }
-
         mSplitSelectSource = splitSelectSource;
-        mSplitSelectStateController.setInitialTaskSelect(
-                PendingIntent.getActivity(
-                        mContext, 0, splitSelectSource.intent, FLAG_MUTABLE),
+        mSplitSelectStateController.setInitialTaskSelect(splitSelectSource.intent,
                 splitSelectSource.position.stagePosition);
     }
 
@@ -4033,8 +4005,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
         mSecondFloatingTaskView.addAnimation(pendingAnimation, secondTaskStartingBounds,
                 secondTaskEndingBounds, true /* fadeWithThumbnail */, false /* isInitialSplit */);
         pendingAnimation.addEndListener(aBoolean ->
-                mSplitSelectStateController.setSecondTaskId(task.key.id,
-                aBoolean1 -> RecentsView.this.resetFromSplitSelectionState()));
+                mSplitSelectStateController.setSecondTask(
+                        task, aBoolean1 -> RecentsView.this.resetFromSplitSelectionState()));
         if (containerTaskView.containsMultipleTasks()) {
             // If we are launching from a child task, then only hide the thumbnail itself
             mSecondSplitHiddenView = thumbnailView;

res/values-v31/styles.xml

@@ -38,6 +38,7 @@
         <item name="preferenceScreenStyle">@style/HomeSettings.PreferenceScreenStyle</item>
         <item name="preferenceStyle">@style/HomeSettings.PreferenceStyle</item>
         <item name="switchPreferenceStyle">@style/HomeSettings.SwitchPreferenceStyle</item>
+        <item name="android:fontFamily">google-sans-text</item>
     </style>
 
     <style name="HomeSettings.CategoryStyle" parent="@style/Preference.Category.Material">

src/com/android/launcher3/Launcher.java

@@ -2747,8 +2747,11 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
      * @param preferredItemId The id of the preferred item to match to if it exists.
      * @param packageName The package name of the app to match.
      * @param user The user of the app to match.
+     * @param supportsAllAppsState If true and we are in All Apps state, looks for view in All Apps.
+     *                             Else we only looks on the workspace.
      */
-    public View getFirstMatchForAppClose(int preferredItemId, String packageName, UserHandle user) {
+    public View getFirstMatchForAppClose(int preferredItemId, String packageName, UserHandle user,
+            boolean supportsAllAppsState) {
         final ItemInfoMatcher preferredItem = (info, cn) ->
                 info != null && info.id == preferredItemId;
         final ItemInfoMatcher packageAndUserAndApp = (info, cn) ->
@@ -2759,7 +2762,7 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
                         && TextUtils.equals(info.getTargetComponent().getPackageName(),
                         packageName);
 
-        if (isInState(LauncherState.ALL_APPS)) {
+        if (supportsAllAppsState && isInState(LauncherState.ALL_APPS)) {
             return getFirstMatch(Collections.singletonList(mAppsView.getActiveRecyclerView()),
                     preferredItem, packageAndUserAndApp);
         } else {

src/com/android/launcher3/allapps/AlphabeticalAppsList.java

@@ -81,7 +81,7 @@ public class AlphabeticalAppsList<T extends Context & ActivityContext> implement
     private final List<FastScrollSectionInfo> mFastScrollerSections = new ArrayList<>();
 
     // The of ordered component names as a result of a search query
-    private ArrayList<AdapterItem> mSearchResults;
+    private final ArrayList<AdapterItem> mSearchResults = new ArrayList<>();
     private BaseAllAppsAdapter<T> mAdapter;
     private AppInfoComparator mAppNameComparator;
     private final int mNumAppsPerRow;
@@ -171,30 +171,33 @@ public class AlphabeticalAppsList<T extends Context & ActivityContext> implement
      * Returns whether there are is a filter set.
      */
     public boolean hasFilter() {
-        return (mSearchResults != null);
+        return !mSearchResults.isEmpty();
     }
 
     /**
      * Returns whether there are no filtered results.
      */
     public boolean hasNoFilteredResults() {
-        return (mSearchResults != null) && mAccessibilityResultsCount == 0;
+        return hasFilter() && mAccessibilityResultsCount == 0;
     }
 
     /**
      * Sets results list for search
      */
     public boolean setSearchResults(ArrayList<AdapterItem> results) {
-        if (!Objects.equals(results, mSearchResults)) {
-            mSearchResults = results;
-            updateAdapterItems();
-            return true;
+        if (Objects.equals(results, mSearchResults)) {
+            return false;
         }
-        return false;
+        mSearchResults.clear();
+        if (results != null) {
+            mSearchResults.addAll(results);
+        }
+        updateAdapterItems();
+        return true;
     }
 
     public boolean appendSearchResults(ArrayList<AdapterItem> results) {
-        if (mSearchResults != null && results != null && results.size() > 0) {
+        if (hasFilter() && results != null && results.size() > 0) {
             updateSearchAdapterItems(results, mSearchResults.size());
             refreshRecyclerView();
             return true;
@@ -259,7 +262,7 @@ public class AlphabeticalAppsList<T extends Context & ActivityContext> implement
         }
 
         // Recompose the set of adapter items from the current set of apps
-        if (mSearchResults == null) {
+        if (mSearchResults.isEmpty()) {
             updateAdapterItems();
         }
     }

src/com/android/launcher3/allapps/SearchUiManager.java

@@ -65,4 +65,7 @@ public interface SearchUiManager {
      * sets highlight result's title
      */
     default void setFocusedResultTitle(@Nullable  CharSequence title) { }
+
+    /** Refresh the currently displayed list of results. */
+    default void refreshResults() {}
 }

src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java

@@ -100,12 +100,14 @@ public class AllAppsSearchBarController
     @Override
     public void afterTextChanged(final Editable s) {
         mQuery = s.toString();
+        mInput.getSelectionStart();
         if (mQuery.isEmpty()) {
             mSearchAlgorithm.cancel(true);
             mCallback.clearSearchResult();
         } else {
             mSearchAlgorithm.cancel(false);
-            mSearchAlgorithm.doSearch(mQuery, mTextConversions, mCallback);
+            mSearchAlgorithm.doSearch(mQuery, mInput.getSelectionStart(), mTextConversions,
+                    mCallback);
         }
     }
 
@@ -115,7 +117,7 @@ public class AllAppsSearchBarController
         }
         // If play store continues auto updating an app, we want to show partial result.
         mSearchAlgorithm.cancel(false);
-        mSearchAlgorithm.doSearch(mQuery, mCallback);
+        mSearchAlgorithm.doSearch(mQuery, mInput.getSelectionStart(), mCallback);
     }
 
     @Override

src/com/android/launcher3/allapps/search/DefaultAppSearchAlgorithm.java

@@ -58,7 +58,7 @@ public class DefaultAppSearchAlgorithm implements SearchAlgorithm<AdapterItem> {
     }
 
     @Override
-    public void doSearch(String query, SearchCallback<AdapterItem> callback) {
+    public void doSearch(String query, int cursorLocation, SearchCallback<AdapterItem> callback) {
         mAppState.getModel().enqueueModelUpdateTask(new BaseModelUpdateTask() {
             @Override
             public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {

src/com/android/launcher3/search/SearchAlgorithm.java

@@ -25,13 +25,14 @@ public interface SearchAlgorithm<T> {
     /**
      * Performs search and sends the result to {@link SearchCallback}.
      */
-    void doSearch(String query, SearchCallback<T> callback);
+    void doSearch(String query, int cursorLocation, SearchCallback<T> callback);
 
     /**
      * Performs search with {@code query} and the {@code suggestedQueries}/
      */
-    default void doSearch(String query, String[] suggestedQueries, SearchCallback<T> callback) {
-        doSearch(query, callback);
+    default void doSearch(String query, int cursorLocation, String[] suggestedQueries,
+            SearchCallback<T> callback) {
+        doSearch(query, cursorLocation, callback);
     }
 
     /**

src/com/android/launcher3/views/FloatingSurfaceView.java

@@ -159,7 +159,8 @@ public class FloatingSurfaceView extends AbstractFloatingView implements
             return;
         }
         View icon = mLauncher.getFirstMatchForAppClose(-1,
-                mContract.componentName.getPackageName(), mContract.user);
+                mContract.componentName.getPackageName(), mContract.user,
+                false /* supportsAllAppsState */);
 
         boolean iconChanged = mIcon != icon;
         if (iconChanged) {

src/com/android/launcher3/widget/picker/search/SimpleWidgetsSearchAlgorithm.java

@@ -48,7 +48,8 @@ public final class SimpleWidgetsSearchAlgorithm implements SearchAlgorithm<Widge
     }
 
     @Override
-    public void doSearch(String query, SearchCallback<WidgetsListBaseEntry> callback) {
+    public void doSearch(String query, int cursorLocation,
+            SearchCallback<WidgetsListBaseEntry> callback) {
         ArrayList<WidgetsListBaseEntry> result = getFilteredWidgets(mDataProvider, query);
         mResultHandler.post(() -> callback.onSearchResult(query, result));
     }

src/com/android/launcher3/widget/picker/search/WidgetsSearchBarController.java

@@ -71,7 +71,7 @@ public class WidgetsSearchBarController implements TextWatcher,
         } else {
             mSearchAlgorithm.cancel(/* interruptActiveRequests= */ false);
             mSearchModeListener.enterSearchMode();
-            mSearchAlgorithm.doSearch(mQuery, this);
+            mSearchAlgorithm.doSearch(mQuery, mInput.getSelectionStart(), this);
             mCancelButton.setVisibility(VISIBLE);
         }
     }

tests/src/com/android/launcher3/widget/picker/search/SimpleWidgetsSearchAlgorithmTest.java

@@ -163,7 +163,7 @@ public class SimpleWidgetsSearchAlgorithmTest {
                 mCameraContentEntry, mClockHeaderEntry, mClockContentEntry))
                 .when(mDataProvider)
                 .getAllWidgets();
-        mSimpleWidgetsSearchAlgorithm.doSearch("Ca", mSearchCallback);
+        mSimpleWidgetsSearchAlgorithm.doSearch("Ca", 2, mSearchCallback);
         MAIN_EXECUTOR.submit(() -> { }).get();
         verify(mSearchCallback).onSearchResult(
                 matches("Ca"), argThat(a -> a != null && !a.isEmpty()));

tests/src/com/android/launcher3/widget/picker/search/WidgetsSearchBarControllerTest.java

@@ -86,7 +86,7 @@ public class WidgetsSearchBarControllerTest {
     public void afterTextChanged_shouldDoSearch() {
         mEditText.setText("abc");
 
-        verify(mSearchAlgorithm).doSearch(eq("abc"), any());
+        verify(mSearchAlgorithm).doSearch(eq("abc"), 3, any());
     }
 
     @Test