diff --git a/layer-core/src/main/java/per/goweii/layer/core/FrameLayer.java b/layer-core/src/main/java/per/goweii/layer/core/FrameLayer.java
index f5a6a64..6649995 100644
--- a/layer-core/src/main/java/per/goweii/layer/core/FrameLayer.java
+++ b/layer-core/src/main/java/per/goweii/layer/core/FrameLayer.java
@@ -164,9 +164,9 @@ public FrameLayer setCancelableOnClickKeyBack(boolean cancelable) {
 
     @NonNull
     private ViewGroup installParent() {
-        LayerRootLayout layerRootLayout = findLayerLayoutFromRoot();
-        if (layerRootLayout == null) layerRootLayout = tryGetLayerLayoutFormHolder();
-        if (layerRootLayout == null) layerRootLayout = createLayerLayout();
+        LayerRootLayout layerRootLayout = findLayerRootLayoutFromRoot();
+        if (layerRootLayout == null) layerRootLayout = tryGetLayerRootLayoutFormHolder();
+        if (layerRootLayout == null) layerRootLayout = createLayerRootLayout();
         if (layerRootLayout.getParent() == null) {
             getViewHolder().getRoot().addView(layerRootLayout);
         } else if (layerRootLayout.getParent() != getViewHolder().getRoot()) {
@@ -174,9 +174,9 @@ private ViewGroup installParent() {
             getViewHolder().getRoot().addView(layerRootLayout);
         }
         layerRootLayout.registerOnConfigurationChangedListener(mOnConfigurationChangedListener);
-        LayerLevelLayout layerLevelLayout = findLevelLayoutFromLayerLayout(layerRootLayout);
-        if (layerLevelLayout == null) layerLevelLayout = tryGetLevelLayoutFormHolder();
-        if (layerLevelLayout == null) layerLevelLayout = createLevelLayout();
+        LayerLevelLayout layerLevelLayout = findLayerLevelLayoutFromLayerLayout(layerRootLayout);
+        if (layerLevelLayout == null) layerLevelLayout = tryGetLayerLevelLayoutFormHolder();
+        if (layerLevelLayout == null) layerLevelLayout = createLayerLevelLayout();
         if (layerLevelLayout.getParent() == null) {
             layerRootLayout.addView(layerLevelLayout);
         } else if (layerLevelLayout.getParent() != layerRootLayout) {
@@ -187,10 +187,10 @@ private ViewGroup installParent() {
     }
 
     private void uninstallParent() {
-        final LayerRootLayout layerRootLayout = findLayerLayoutFromRoot();
+        final LayerRootLayout layerRootLayout = findLayerRootLayoutFromRoot();
         if (layerRootLayout == null) return;
         layerRootLayout.unregisterOnConfigurationChangedListener(mOnConfigurationChangedListener);
-        final LayerLevelLayout layerLevelLayout = findLevelLayoutFromLayerLayout(layerRootLayout);
+        final LayerLevelLayout layerLevelLayout = findLayerLevelLayoutFromLayerLayout(layerRootLayout);
         if (layerLevelLayout == null) return;
         if (layerLevelLayout.getChildCount() == 0) {
             layerRootLayout.removeView(layerLevelLayout);
@@ -204,7 +204,7 @@ private void ensureLayerLayoutIsFront() {
         final ViewGroup root = getViewHolder().getRoot();
         int count = root.getChildCount();
         if (count <= 1) return;
-        LayerRootLayout layerRootLayout = findLayerLayoutFromRoot();
+        LayerRootLayout layerRootLayout = findLayerRootLayoutFromRoot();
         if (layerRootLayout == null) return;
         int index = root.indexOfChild(layerRootLayout);
         if (index < 0) return;
@@ -213,7 +213,7 @@ private void ensureLayerLayoutIsFront() {
     }
 
     @Nullable
-    private LayerRootLayout findLayerLayoutFromRoot() {
+    protected LayerRootLayout findLayerRootLayoutFromRoot() {
         final ViewGroup root = getViewHolder().getRoot();
         LayerRootLayout layerRootLayout = null;
         final int count = root.getChildCount();
@@ -233,7 +233,7 @@ private LayerRootLayout findLayerLayoutFromRoot() {
     }
 
     @Nullable
-    private LayerRootLayout tryGetLayerLayoutFormHolder() {
+    private LayerRootLayout tryGetLayerRootLayoutFormHolder() {
         if (getViewHolder().getLayerRootLayout() == null) return null;
         LayerRootLayout layerRootLayout = getViewHolder().getLayerRootLayout();
         Utils.removeViewParent(layerRootLayout);
@@ -241,7 +241,7 @@ private LayerRootLayout tryGetLayerLayoutFormHolder() {
     }
 
     @NonNull
-    private LayerRootLayout createLayerLayout() {
+    private LayerRootLayout createLayerRootLayout() {
         final ViewGroup root = getViewHolder().getRoot();
         LayerRootLayout layerRootLayout = new LayerRootLayout(root.getContext());
         layerRootLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
@@ -250,7 +250,7 @@ private LayerRootLayout createLayerLayout() {
     }
 
     @Nullable
-    private LayerLevelLayout findLevelLayoutFromLayerLayout(LayerRootLayout group) {
+    protected LayerLevelLayout findLayerLevelLayoutFromLayerLayout(@NonNull LayerRootLayout group) {
         LayerLevelLayout layerLevelLayout = group.findLevelLayout(getRealLevel());
         if (layerLevelLayout != null) {
             if (layerLevelLayout != getViewHolder().getLayerLevelLayout()) {
@@ -261,7 +261,7 @@ private LayerLevelLayout findLevelLayoutFromLayerLayout(LayerRootLayout group) {
     }
 
     @Nullable
-    private LayerLevelLayout tryGetLevelLayoutFormHolder() {
+    private LayerLevelLayout tryGetLayerLevelLayoutFormHolder() {
         if (getViewHolder().getLayerLevelLayout() == null) {
             return null;
         }
@@ -278,7 +278,7 @@ private LayerLevelLayout tryGetLevelLayoutFormHolder() {
     }
 
     @NonNull
-    private LayerLevelLayout createLevelLayout() {
+    private LayerLevelLayout createLayerLevelLayout() {
         final ViewGroup root = getViewHolder().getRoot();
         LayerLevelLayout layerLevelLayout = new LayerLevelLayout(root.getContext(), getRealLevel());
         layerLevelLayout.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
diff --git a/layer-core/src/main/java/per/goweii/layer/core/Layer.java b/layer-core/src/main/java/per/goweii/layer/core/Layer.java
index 74953cb..ca93837 100644
--- a/layer-core/src/main/java/per/goweii/layer/core/Layer.java
+++ b/layer-core/src/main/java/per/goweii/layer/core/Layer.java
@@ -268,7 +268,7 @@ protected boolean onGlobalPreDraw() {
         return true;
     }
 
-    private void handleShow() {
+    protected void handleShow() {
         if (isShown()) {
             if (isOutAnimRunning()) {
                 startAnimatorIn();
@@ -327,7 +327,7 @@ private void handleInAnimEnd() {
         onPostShow();
     }
 
-    private void handleDismiss() {
+    protected void handleDismiss() {
         if (!isShown()) return;
         if (isOutAnimRunning()) return;
         if (mShowOnPreDrawListener != null) {
diff --git a/layer-core/src/main/java/per/goweii/layer/core/widget/SwipeLayout.java b/layer-core/src/main/java/per/goweii/layer/core/widget/SwipeLayout.java
index 112929f..66693c1 100644
--- a/layer-core/src/main/java/per/goweii/layer/core/widget/SwipeLayout.java
+++ b/layer-core/src/main/java/per/goweii/layer/core/widget/SwipeLayout.java
@@ -32,7 +32,7 @@
 @SuppressWarnings("NullableProblems")
 public class SwipeLayout extends FrameLayout implements NestedScrollingParent3 {
 
-    @IntDef({Direction.NONE, Direction.LEFT, Direction.TOP, Direction.RIGHT, Direction.BOTTOM})
+    @IntDef(value = {Direction.NONE, Direction.LEFT, Direction.TOP, Direction.RIGHT, Direction.BOTTOM}, flag = true)
     @Retention(RetentionPolicy.SOURCE)
     public @interface Direction {
         int NONE = 0;
diff --git a/layer-notification-ktx/src/main/java/per/goweii/layer/notification/ktx/NotificationLayer.kt b/layer-notification-ktx/src/main/java/per/goweii/layer/notification/ktx/NotificationLayer.kt
index ac7d129..c87dee5 100644
--- a/layer-notification-ktx/src/main/java/per/goweii/layer/notification/ktx/NotificationLayer.kt
+++ b/layer-notification-ktx/src/main/java/per/goweii/layer/notification/ktx/NotificationLayer.kt
@@ -6,6 +6,7 @@ import androidx.annotation.LayoutRes
 import per.goweii.layer.core.widget.SwipeLayout
 import per.goweii.layer.notification.DefaultNotificationOnSwipeListener
 import per.goweii.layer.notification.NotificationLayer
+import per.goweii.layer.notification.NotificationLayer.SwipeTransformer
 
 fun <T : NotificationLayer> T.contentView(contentView: View) = this.apply {
     this.setContentView(contentView)
@@ -23,6 +24,18 @@ fun <T : NotificationLayer> T.maxHeight(maxHeight: Int) = this.apply {
     this.setMaxHeight(maxHeight)
 }
 
+fun <T : NotificationLayer> T.removeOthers(removeOthers: Boolean) = this.apply {
+    this.setRemoveOthers(removeOthers)
+}
+
+fun <T : NotificationLayer> T.swipeDirection(@SwipeLayout.Direction direction: Int) = this.apply {
+    this.setSwipeDirection(direction)
+}
+
+fun <T : NotificationLayer> T.swipeTransformer(swipeTransformer: SwipeTransformer) = this.apply {
+    this.setSwipeTransformer(swipeTransformer)
+}
+
 fun <T : NotificationLayer> T.duration(duration: Long) = this.apply {
     this.setDuration(duration)
 }
diff --git a/layer-notification/src/main/java/per/goweii/layer/notification/NotificationLayer.java b/layer-notification/src/main/java/per/goweii/layer/notification/NotificationLayer.java
index 27f5448..938ce5f 100644
--- a/layer-notification/src/main/java/per/goweii/layer/notification/NotificationLayer.java
+++ b/layer-notification/src/main/java/per/goweii/layer/notification/NotificationLayer.java
@@ -4,6 +4,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.graphics.Rect;
+import android.os.SystemClock;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
@@ -22,13 +23,16 @@
 import java.util.List;
 
 import per.goweii.layer.core.DecorLayer;
+import per.goweii.layer.core.Layer;
 import per.goweii.layer.core.anim.AnimatorHelper;
 import per.goweii.layer.core.utils.Utils;
 import per.goweii.layer.core.widget.MaxSizeFrameLayout;
 import per.goweii.layer.core.widget.SwipeLayout;
 
 public class NotificationLayer extends DecorLayer {
+    private static long sShowAfterTime = 0L;
 
+    private long mShowTime = 0L;
     private Runnable mDismissRunnable = null;
     private boolean mSwiping = false;
 
@@ -82,11 +86,34 @@ public ListenerHolder getListenerHolder() {
         return (ListenerHolder) super.getListenerHolder();
     }
 
+    @Override
+    public void show(final boolean withAnim) {
+        mShowTime = SystemClock.elapsedRealtimeNanos();
+        if (getConfig().mRemoveOthers) {
+            sShowAfterTime = mShowTime;
+            removeAndWaitOthersDismissed(new Runnable() {
+                @Override
+                public void run() {
+                    NotificationLayer.super.show(withAnim);
+                }
+            });
+        } else {
+            NotificationLayer.super.show(withAnim);
+        }
+    }
+
+    @Override
+    protected void handleShow() {
+        if (sShowAfterTime <= mShowTime) {
+            super.handleShow();
+        }
+    }
+
     @CallSuper
     @Override
     protected void onAttach() {
         super.onAttach();
-        getViewHolder().getChild().setSwipeDirection(SwipeLayout.Direction.TOP | SwipeLayout.Direction.LEFT | SwipeLayout.Direction.RIGHT);
+        getViewHolder().getChild().setSwipeDirection(getConfig().mSwipeDirection);
         getViewHolder().getChild().setOnSwipeListener(new SwipeLayout.OnSwipeListener() {
             @Override
             public void onStart(@SwipeLayout.Direction int direction, @FloatRange(from = 0F, to = 1F) float fraction) {
@@ -164,6 +191,11 @@ protected void onPreDismiss() {
         super.onPreDismiss();
     }
 
+    @Override
+    protected void onDetach() {
+        super.onDetach();
+    }
+
     @NonNull
     @Override
     protected View onCreateChild(@NonNull LayoutInflater inflater, @NonNull ViewGroup parent) {
@@ -305,12 +337,24 @@ public void run() {
         }
     }
 
+    @NonNull
+    public NotificationLayer setRemoveOthers(boolean removeOthers) {
+        getConfig().mRemoveOthers = removeOthers;
+        return this;
+    }
+
     @NonNull
     public NotificationLayer setDuration(long duration) {
         getConfig().mDuration = duration;
         return this;
     }
 
+    @NonNull
+    public NotificationLayer setSwipeDirection(@SwipeLayout.Direction int swipeDirection) {
+        getConfig().mSwipeDirection = swipeDirection;
+        return this;
+    }
+
     @NonNull
     public NotificationLayer setSwipeTransformer(@Nullable SwipeTransformer swipeTransformer) {
         getConfig().mSwipeTransformer = swipeTransformer;
@@ -328,6 +372,48 @@ public NotificationLayer addOnSwipeListener(@NonNull OnSwipeListener swipeListen
         return this;
     }
 
+    private void removeAndWaitOthersDismissed(@NonNull final Runnable onDismissed) {
+        final LayerRootLayout layerRootLayout = findLayerRootLayoutFromRoot();
+        if (layerRootLayout == null) {
+            onDismissed.run();
+            return;
+        }
+        final LayerLevelLayout layerLevelLayout = findLayerLevelLayoutFromLayerLayout(layerRootLayout);
+        if (layerLevelLayout == null) {
+            onDismissed.run();
+            return;
+        }
+        final List<Layer> shownLayers = new ArrayList<>();
+        final List<Layer> layers = layerLevelLayout.getLayers();
+        for (Layer layer : layers) {
+            if (layer.isShown()) {
+                shownLayers.add(layer);
+            } else {
+                layer.dismiss(false);
+            }
+        }
+        if (shownLayers.isEmpty()) {
+            onDismissed.run();
+            return;
+        }
+        for (final Layer layer : shownLayers) {
+            layer.addOnDismissListener(new OnDismissListener() {
+                @Override
+                public void onPreDismiss(@NonNull Layer layer) {
+                }
+
+                @Override
+                public void onPostDismiss(@NonNull Layer layer) {
+                    shownLayers.remove(layer);
+                    if (shownLayers.isEmpty()) {
+                        onDismissed.run();
+                    }
+                }
+            });
+            layer.dismiss();
+        }
+    }
+
     public static class ViewHolder extends DecorLayer.ViewHolder {
         private MaxSizeFrameLayout mContentWrapper;
         private View mContent;
@@ -368,10 +454,13 @@ protected static class Config extends DecorLayer.Config {
         protected View mContentView = null;
         protected int mContentViewId = -1;
 
+        protected boolean mRemoveOthers = true;
         protected long mDuration = 5000L;
         protected int mMaxWidth = -1;
         protected int mMaxHeight = -1;
 
+        @SwipeLayout.Direction
+        protected int mSwipeDirection = SwipeLayout.Direction.TOP | SwipeLayout.Direction.LEFT | SwipeLayout.Direction.RIGHT;
         @Nullable
         protected SwipeTransformer mSwipeTransformer = null;
     }