diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index d536c3a..5bbd02b 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -190,8 +190,6 @@
             case SCROLL_STATE_DRAGGING:
                 mgr.logger().sendToInteractionJankMonitor(
                         LAUNCHER_ALLAPPS_VERTICAL_SWIPE_BEGIN, this);
-                hideKeyboardAsync(ActivityContext.lookupContext(getContext()),
-                        getApplicationWindowToken());
                 break;
             case SCROLL_STATE_IDLE:
                 mgr.logger().sendToInteractionJankMonitor(
@@ -207,6 +205,8 @@
                 && mEmptySearchBackground != null && mEmptySearchBackground.getAlpha() > 0) {
             mEmptySearchBackground.setHotspot(e.getX(), e.getY());
         }
+        hideKeyboardAsync(ActivityContext.lookupContext(getContext()),
+                getApplicationWindowToken());
         return result;
     }
 
diff --git a/src/com/android/launcher3/views/RecyclerViewFastScroller.java b/src/com/android/launcher3/views/RecyclerViewFastScroller.java
index 9d0913a..e607ab3 100644
--- a/src/com/android/launcher3/views/RecyclerViewFastScroller.java
+++ b/src/com/android/launcher3/views/RecyclerViewFastScroller.java
@@ -23,6 +23,7 @@
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
+import android.graphics.Insets;
 import android.graphics.Paint;
 import android.graphics.Point;
 import android.graphics.Rect;
@@ -32,6 +33,7 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
+import android.view.WindowInsets;
 import android.widget.TextView;
 
 import androidx.annotation.Nullable;
@@ -51,6 +53,7 @@
  */
 public class RecyclerViewFastScroller extends View {
 
+    private static final int FASTSCROLL_THRESHOLD_MILLIS = 200;
     private static final int SCROLL_DELTA_THRESHOLD_DP = 4;
     private static final Rect sTempRect = new Rect();
 
@@ -101,6 +104,7 @@
     private final boolean mCanThumbDetach;
     private boolean mIgnoreDragGesture;
     private boolean mIsRecyclerViewFirstChildInParent = true;
+    private long mDownTimeStampMillis;
 
     // This is the offset from the top of the scrollbar when the user first starts touching.  To
     // prevent jumping, this offset is applied as the user scrolls.
@@ -112,6 +116,7 @@
     private TextView mPopupView;
     private boolean mPopupVisible;
     private String mPopupSectionName;
+    private Insets mSystemGestureInsets;
 
     protected BaseRecyclerView mRv;
     private RecyclerView.OnScrollListener mOnScrollListener;
@@ -237,6 +242,7 @@
                 // Keep track of the down positions
                 mDownX = x;
                 mDownY = mLastY = y;
+                mDownTimeStampMillis = ev.getDownTime();
 
                 if ((Math.abs(mDy) < mDeltaThreshold &&
                         mRv.getScrollState() != RecyclerView.SCROLL_STATE_IDLE)) {
@@ -246,22 +252,27 @@
                 }
                 if (isNearThumb(x, y)) {
                     mTouchOffsetY = mDownY - mThumbOffsetY;
-                } else if (mRv.supportsFastScrolling()
-                        && isNearScrollBar(mDownX)) {
-                    calcTouchOffsetAndPrepToFastScroll(mDownY, mLastY);
-                    updateFastScrollSectionNameAndThumbOffset(y);
                 }
                 break;
             case MotionEvent.ACTION_MOVE:
                 mLastY = y;
+                int absDeltaY = Math.abs(y - mDownY);
+                int absDeltaX = Math.abs(x - mDownX);
 
                 // Check if we should start scrolling, but ignore this fastscroll gesture if we have
                 // exceeded some fixed movement
-                mIgnoreDragGesture |= Math.abs(y - mDownY) > mConfig.getScaledPagingTouchSlop();
-                if (!mIsDragging && !mIgnoreDragGesture && mRv.supportsFastScrolling() &&
-                        isNearThumb(mDownX, mLastY) &&
-                        Math.abs(y - mDownY) > mConfig.getScaledTouchSlop()) {
-                    calcTouchOffsetAndPrepToFastScroll(mDownY, mLastY);
+                mIgnoreDragGesture |= absDeltaY > mConfig.getScaledPagingTouchSlop();
+
+                if (!mIsDragging && !mIgnoreDragGesture && mRv.supportsFastScrolling()) {
+                    // condition #1: triggering thumb is distance, angle based
+                    if ((isNearThumb(mDownX, mLastY)
+                            && absDeltaY > mConfig.getScaledPagingTouchSlop()
+                            && absDeltaY > absDeltaX)
+                            // condition#2: Fastscroll function is now time based
+                            || (isNearScrollBar(mDownX) && ev.getEventTime() - mDownTimeStampMillis
+                                    > FASTSCROLL_THRESHOLD_MILLIS)) {
+                        calcTouchOffsetAndPrepToFastScroll(mDownY, mLastY);
+                    }
                 }
                 if (mIsDragging) {
                     updateFastScrollSectionNameAndThumbOffset(y);
@@ -328,12 +339,22 @@
         canvas.drawRoundRect(mThumbBounds, r, r, mThumbPaint);
         if (Utilities.ATLEAST_Q) {
             mThumbBounds.roundOut(SYSTEM_GESTURE_EXCLUSION_RECT.get(0));
+            // swiping very close to the thumb area (not just within it's bound)
+            // will also prevent back gesture
             SYSTEM_GESTURE_EXCLUSION_RECT.get(0).offset(mThumbDrawOffset.x, mThumbDrawOffset.y);
+            SYSTEM_GESTURE_EXCLUSION_RECT.get(0).left = SYSTEM_GESTURE_EXCLUSION_RECT.get(0).right
+                    - mSystemGestureInsets.right;
             setSystemGestureExclusionRects(SYSTEM_GESTURE_EXCLUSION_RECT);
         }
         canvas.restoreToCount(saveCount);
     }
 
+    @Override
+    public WindowInsets onApplyWindowInsets(WindowInsets insets) {
+        mSystemGestureInsets = insets.getSystemGestureInsets();
+        return super.onApplyWindowInsets(insets);
+    }
+
     private float getScrollThumbRadius() {
         return mWidth + mThumbPadding + mThumbPadding;
     }