diff --git a/api/current.txt b/api/current.txt
index 829df43d95a45..e50a72b1c7b81 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -5197,7 +5197,8 @@ package android.app {
   }
 
   public static class Notification.Builder {
-    ctor public Notification.Builder(android.content.Context);
+    ctor public Notification.Builder(android.content.Context, java.lang.String);
+    ctor public deprecated Notification.Builder(android.content.Context);
     method public deprecated android.app.Notification.Builder addAction(int, java.lang.CharSequence, android.app.PendingIntent);
     method public android.app.Notification.Builder addAction(android.app.Notification.Action);
     method public android.app.Notification.Builder addExtras(android.os.Bundle);
diff --git a/api/system-current.txt b/api/system-current.txt
index 84efdf7fbd7cd..d1ecf956ffe98 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5360,7 +5360,8 @@ package android.app {
   }
 
   public static class Notification.Builder {
-    ctor public Notification.Builder(android.content.Context);
+    ctor public Notification.Builder(android.content.Context, java.lang.String);
+    ctor public deprecated Notification.Builder(android.content.Context);
     method public deprecated android.app.Notification.Builder addAction(int, java.lang.CharSequence, android.app.PendingIntent);
     method public android.app.Notification.Builder addAction(android.app.Notification.Action);
     method public android.app.Notification.Builder addExtras(android.os.Bundle);
diff --git a/api/test-current.txt b/api/test-current.txt
index 28b9af1c6ff0d..556bd4179f815 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -5207,7 +5207,8 @@ package android.app {
   }
 
   public static class Notification.Builder {
-    ctor public Notification.Builder(android.content.Context);
+    ctor public Notification.Builder(android.content.Context, java.lang.String);
+    ctor public deprecated Notification.Builder(android.content.Context);
     method public deprecated android.app.Notification.Builder addAction(int, java.lang.CharSequence, android.app.PendingIntent);
     method public android.app.Notification.Builder addAction(android.app.Notification.Action);
     method public android.app.Notification.Builder addExtras(android.os.Bundle);
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 34d2039988e68..7bdf4cc158522 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -2486,9 +2486,23 @@ public class Notification implements Parcelable
          *            A {@link Context} that will be used by the Builder to construct the
          *            RemoteViews. The Context will not be held past the lifetime of this Builder
          *            object.
+         * @param channelId
+         *            The constructed Notification will be posted on this
+         *            {@link NotificationChannel}. To use a NotificationChannel, it must first be
+         *            created using {@link NotificationManager#createNotificationChannel}.
          */
+        public Builder(Context context, String channelId) {
+            this(context, (Notification) null);
+            mN.mChannelId = channelId;
+        }
+
+        /**
+         * @deprecated use {@link Notification.Builder#Notification.Builder(Context, String)}
+         * instead. All posted Notifications must specify a NotificationChannel Id.
+         */
+        @Deprecated
         public Builder(Context context) {
-            this(context, null);
+            this(context, (Notification) null);
         }
 
         /**