resolved conflicts for merge of 8f1e7ade to master

Change-Id: Icabc5d274502abf8d40116d373c9f9d0ac062386
diff --git a/api/current.txt b/api/current.txt
index 86d1457..9ac27db 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -4424,6 +4424,8 @@
     ctor public Notification(android.os.Parcel);
     method public android.app.Notification clone();
     method public int describeContents();
+    method public java.lang.String getGroup();
+    method public java.lang.String getSortKey();
     method public deprecated void setLatestEventInfo(android.content.Context, java.lang.CharSequence, java.lang.CharSequence, android.app.PendingIntent);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final java.lang.String CATEGORY_ALARM = "alarm";
@@ -4466,6 +4468,7 @@
     field public static final java.lang.String EXTRA_TITLE_BIG = "android.title.big";
     field public static final int FLAG_AUTO_CANCEL = 16; // 0x10
     field public static final int FLAG_FOREGROUND_SERVICE = 64; // 0x40
+    field public static final int FLAG_GROUP_SUMMARY = 512; // 0x200
     field public static final deprecated int FLAG_HIGH_PRIORITY = 128; // 0x80
     field public static final int FLAG_INSISTENT = 4; // 0x4
     field public static final int FLAG_LOCAL_ONLY = 256; // 0x100
@@ -4516,6 +4519,7 @@
     method public android.app.Notification.Action clone();
     method public int describeContents();
     method public android.os.Bundle getExtras();
+    method public android.app.RemoteInput[] getRemoteInputs();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator CREATOR;
     field public android.app.PendingIntent actionIntent;
@@ -4523,14 +4527,20 @@
     field public java.lang.CharSequence title;
   }
 
-  public static class Notification.Action.Builder {
+  public static final class Notification.Action.Builder {
     ctor public Notification.Action.Builder(int, java.lang.CharSequence, android.app.PendingIntent);
     ctor public Notification.Action.Builder(android.app.Notification.Action);
     method public android.app.Notification.Action.Builder addExtras(android.os.Bundle);
+    method public android.app.Notification.Action.Builder addRemoteInput(android.app.RemoteInput);
+    method public android.app.Notification.Action.Builder apply(android.app.Notification.Action.Builder.Extender);
     method public android.app.Notification.Action build();
     method public android.os.Bundle getExtras();
   }
 
+  public static abstract interface Notification.Action.Builder.Extender {
+    method public abstract android.app.Notification.Action.Builder applyTo(android.app.Notification.Action.Builder);
+  }
+
   public static class Notification.BigPictureStyle extends android.app.Notification.Style {
     ctor public Notification.BigPictureStyle();
     ctor public Notification.BigPictureStyle(android.app.Notification.Builder);
@@ -4554,6 +4564,7 @@
     method public android.app.Notification.Builder addAction(android.app.Notification.Action);
     method public android.app.Notification.Builder addExtras(android.os.Bundle);
     method public android.app.Notification.Builder addPerson(java.lang.String);
+    method public android.app.Notification.Builder apply(android.app.Notification.Builder.Extender);
     method public android.app.Notification build();
     method public android.os.Bundle getExtras();
     method public deprecated android.app.Notification getNotification();
@@ -4569,6 +4580,8 @@
     method public android.app.Notification.Builder setDeleteIntent(android.app.PendingIntent);
     method public android.app.Notification.Builder setExtras(android.os.Bundle);
     method public android.app.Notification.Builder setFullScreenIntent(android.app.PendingIntent, boolean);
+    method public android.app.Notification.Builder setGroup(java.lang.String);
+    method public android.app.Notification.Builder setGroupSummary(boolean);
     method public android.app.Notification.Builder setLargeIcon(android.graphics.Bitmap);
     method public android.app.Notification.Builder setLights(int, int, int);
     method public android.app.Notification.Builder setLocalOnly(boolean);
@@ -4581,6 +4594,7 @@
     method public android.app.Notification.Builder setShowWhen(boolean);
     method public android.app.Notification.Builder setSmallIcon(int);
     method public android.app.Notification.Builder setSmallIcon(int, int);
+    method public android.app.Notification.Builder setSortKey(java.lang.String);
     method public android.app.Notification.Builder setSound(android.net.Uri);
     method public android.app.Notification.Builder setSound(android.net.Uri, int);
     method public android.app.Notification.Builder setStyle(android.app.Notification.Style);
@@ -4593,6 +4607,10 @@
     method public android.app.Notification.Builder setWhen(long);
   }
 
+  public static abstract interface Notification.Builder.Extender {
+    method public abstract android.app.Notification.Builder applyTo(android.app.Notification.Builder);
+  }
+
   public static class Notification.InboxStyle extends android.app.Notification.Style {
     ctor public Notification.InboxStyle();
     ctor public Notification.InboxStyle(android.app.Notification.Builder);
@@ -4696,6 +4714,31 @@
     field public static final int STYLE_SPINNER = 0; // 0x0
   }
 
+  public final class RemoteInput implements android.os.Parcelable {
+    method public static void addResultsToIntent(android.app.RemoteInput[], android.content.Intent, android.os.Bundle);
+    method public int describeContents();
+    method public boolean getAllowFreeFormInput();
+    method public java.lang.CharSequence[] getChoices();
+    method public android.os.Bundle getExtras();
+    method public java.lang.CharSequence getLabel();
+    method public java.lang.String getResultKey();
+    method public static android.os.Bundle getResultsFromIntent(android.content.Intent);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator CREATOR;
+    field public static final java.lang.String EXTRA_RESULTS_DATA = "android.remoteinput.resultsData";
+    field public static final java.lang.String RESULTS_CLIP_LABEL = "android.remoteinput.results";
+  }
+
+  public static final class RemoteInput.Builder {
+    ctor public RemoteInput.Builder(java.lang.String);
+    method public android.app.RemoteInput.Builder addExtras(android.os.Bundle);
+    method public android.app.RemoteInput build();
+    method public android.os.Bundle getExtras();
+    method public android.app.RemoteInput.Builder setAllowFreeFormInput(boolean);
+    method public android.app.RemoteInput.Builder setChoices(java.lang.CharSequence[]);
+    method public android.app.RemoteInput.Builder setLabel(java.lang.CharSequence);
+  }
+
   public class SearchManager implements android.content.DialogInterface.OnCancelListener android.content.DialogInterface.OnDismissListener {
     method public android.content.ComponentName getGlobalSearchActivity();
     method public android.app.SearchableInfo getSearchableInfo(android.content.ComponentName);
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index fd76b9c4..20ad46e 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -45,6 +45,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.text.NumberFormat;
 import java.util.ArrayList;
+import java.util.Collections;
 
 /**
  * A class that represents how a persistent notification is to be presented to
@@ -370,6 +371,14 @@
      */
     public static final int FLAG_LOCAL_ONLY         = 0x00000100;
 
+    /**
+     * Bit to be bitswise-ored into the {@link #flags} field that should be
+     * set if this notification is the group summary for a group of notifications.
+     * Grouped notifications may display in a cluster or stack on devices which
+     * support such rendering. Requires a group key also be set using {@link Builder#setGroup}.
+     */
+    public static final int FLAG_GROUP_SUMMARY      = 0x00000200;
+
     public int flags;
 
     /** @hide */
@@ -539,6 +548,34 @@
      */
     public String category;
 
+    private String mGroupKey;
+
+    /**
+     * Get the key used to group this notification into a cluster or stack
+     * with other notifications on devices which support such rendering.
+     */
+    public String getGroup() {
+        return mGroupKey;
+    }
+
+    private String mSortKey;
+
+    /**
+     * Get a sort key that orders this notification among other notifications from the
+     * same package. This can be useful if an external sort was already applied and an app
+     * would like to preserve this. Notifications will be sorted lexicographically using this
+     * value, although providing different priorities in addition to providing sort key may
+     * cause this value to be ignored.
+     *
+     * <p>This sort key can also be used to order members of a notification group. See
+     * {@link Builder#setGroup}.
+     *
+     * @see String#compareTo(String)
+     */
+    public String getSortKey() {
+        return mSortKey;
+    }
+
     /**
      * Additional semantic data to be carried around with this Notification.
      * <p>
@@ -706,15 +743,18 @@
      */
     public static class Action implements Parcelable {
         private final Bundle mExtras;
+        private RemoteInput[] mRemoteInputs;
 
         /**
          * Small icon representing the action.
          */
         public int icon;
+
         /**
          * Title of the action.
          */
         public CharSequence title;
+
         /**
          * Intent to send when the user invokes this action. May be null, in which case the action
          * may be rendered in a disabled presentation by the system UI.
@@ -728,19 +768,23 @@
                 actionIntent = PendingIntent.CREATOR.createFromParcel(in);
             }
             mExtras = in.readBundle();
+            mRemoteInputs = in.createTypedArray(RemoteInput.CREATOR);
         }
+
         /**
          * Use {@link Notification.Builder#addAction(int, CharSequence, PendingIntent)}.
          */
         public Action(int icon, CharSequence title, PendingIntent intent) {
-            this(icon, title, intent, new Bundle());
+            this(icon, title, intent, new Bundle(), null);
         }
 
-        private Action(int icon, CharSequence title, PendingIntent intent, Bundle extras) {
+        private Action(int icon, CharSequence title, PendingIntent intent, Bundle extras,
+                RemoteInput[] remoteInputs) {
             this.icon = icon;
             this.title = title;
             this.actionIntent = intent;
             this.mExtras = extras != null ? extras : new Bundle();
+            this.mRemoteInputs = remoteInputs;
         }
 
         /**
@@ -751,13 +795,22 @@
         }
 
         /**
+         * Get the list of inputs to be collected from the user when this action is sent.
+         * May return null if no remote inputs were added.
+         */
+        public RemoteInput[] getRemoteInputs() {
+            return mRemoteInputs;
+        }
+
+        /**
          * Builder class for {@link Action} objects.
          */
-        public static class Builder {
+        public static final class Builder {
             private final int mIcon;
             private final CharSequence mTitle;
             private final PendingIntent mIntent;
             private final Bundle mExtras;
+            private ArrayList<RemoteInput> mRemoteInputs;
 
             /**
              * Construct a new builder for {@link Action} object.
@@ -766,7 +819,7 @@
              * @param intent the {@link PendingIntent} to fire when users trigger this action
              */
             public Builder(int icon, CharSequence title, PendingIntent intent) {
-                this(icon, title, intent, new Bundle());
+                this(icon, title, intent, new Bundle(), null);
             }
 
             /**
@@ -775,14 +828,20 @@
              * @param action the action to read fields from.
              */
             public Builder(Action action) {
-                this(action.icon, action.title, action.actionIntent, new Bundle(action.mExtras));
+                this(action.icon, action.title, action.actionIntent, new Bundle(action.mExtras),
+                        action.getRemoteInputs());
             }
 
-            private Builder(int icon, CharSequence title, PendingIntent intent, Bundle extras) {
+            private Builder(int icon, CharSequence title, PendingIntent intent, Bundle extras,
+                    RemoteInput[] remoteInputs) {
                 mIcon = icon;
                 mTitle = title;
                 mIntent = intent;
                 mExtras = extras;
+                if (remoteInputs != null) {
+                    mRemoteInputs = new ArrayList<RemoteInput>(remoteInputs.length);
+                    Collections.addAll(mRemoteInputs, remoteInputs);
+                }
             }
 
             /**
@@ -809,22 +868,62 @@
             }
 
             /**
+             * Add an input to be collected from the user when this action is sent.
+             * Response values can be retrieved from the fired intent by using the
+             * {@link RemoteInput#getResultsFromIntent} function.
+             * @param remoteInput a {@link RemoteInput} to add to the action
+             * @return this object for method chaining
+             */
+            public Builder addRemoteInput(RemoteInput remoteInput) {
+                if (mRemoteInputs == null) {
+                    mRemoteInputs = new ArrayList<RemoteInput>();
+                }
+                mRemoteInputs.add(remoteInput);
+                return this;
+            }
+
+            /**
+             * Apply an extender to this action builder. Extenders may be used to add
+             * metadata or change options on this builder.
+             */
+            public Builder apply(Extender extender) {
+                extender.applyTo(this);
+                return this;
+            }
+
+            /**
+             * Extender interface for use with {@link #apply}. Extenders may be used to add
+             * metadata or change options on this builder.
+             */
+            public interface Extender {
+                /**
+                 * Apply this extender to a notification action builder.
+                 * @param builder the builder to be modified.
+                 * @return the build object for chaining.
+                 */
+                public Builder applyTo(Builder builder);
+            }
+
+            /**
              * Combine all of the options that have been set and return a new {@link Action}
              * object.
              * @return the built action
              */
             public Action build() {
-                return new Action(mIcon, mTitle, mIntent, mExtras);
+                RemoteInput[] remoteInputs = mRemoteInputs != null
+                        ? mRemoteInputs.toArray(new RemoteInput[mRemoteInputs.size()]) : null;
+                return new Action(mIcon, mTitle, mIntent, mExtras, remoteInputs);
             }
         }
 
         @Override
         public Action clone() {
             return new Action(
-                this.icon,
-                this.title,
-                this.actionIntent, // safe to alias
-                new Bundle(this.mExtras));
+                    icon,
+                    title,
+                    actionIntent, // safe to alias
+                    new Bundle(mExtras),
+                    getRemoteInputs());
         }
         @Override
         public int describeContents() {
@@ -841,6 +940,7 @@
                 out.writeInt(0);
             }
             out.writeBundle(mExtras);
+            out.writeTypedArray(mRemoteInputs, flags);
         }
         public static final Parcelable.Creator<Action> CREATOR =
                 new Parcelable.Creator<Action>() {
@@ -960,6 +1060,10 @@
 
         category = parcel.readString();
 
+        mGroupKey = parcel.readString();
+
+        mSortKey = parcel.readString();
+
         extras = parcel.readBundle(); // may be null
 
         actions = parcel.createTypedArray(Action.CREATOR); // may be null
@@ -1037,6 +1141,10 @@
 
         that.category = this.category;
 
+        that.mGroupKey = this.mGroupKey;
+
+        that.mSortKey = this.mSortKey;
+
         if (this.extras != null) {
             try {
                 that.extras = new Bundle(this.extras);
@@ -1188,6 +1296,10 @@
 
         parcel.writeString(category);
 
+        parcel.writeString(mGroupKey);
+
+        parcel.writeString(mSortKey);
+
         parcel.writeBundle(extras); // null ok
 
         parcel.writeTypedArray(actions, 0); // null ok
@@ -1325,7 +1437,18 @@
         sb.append(" flags=0x");
         sb.append(Integer.toHexString(this.flags));
         sb.append(String.format(" color=0x%08x", this.color));
-        sb.append(" category="); sb.append(this.category);
+        if (this.category != null) {
+            sb.append(" category=");
+            sb.append(this.category);
+        }
+        if (this.mGroupKey != null) {
+            sb.append(" groupKey=");
+            sb.append(this.mGroupKey);
+        }
+        if (this.mSortKey != null) {
+            sb.append(" sortKey=");
+            sb.append(this.mSortKey);
+        }
         if (actions != null) {
             sb.append(" ");
             sb.append(actions.length);
@@ -1408,6 +1531,8 @@
         private int mProgress;
         private boolean mProgressIndeterminate;
         private String mCategory;
+        private String mGroupKey;
+        private String mSortKey;
         private Bundle mExtras;
         private int mPriority;
         private ArrayList<Action> mActions = new ArrayList<Action>(MAX_ACTION_BUTTONS);
@@ -1839,6 +1964,51 @@
         }
 
         /**
+         * Set this notification to be part of a group of notifications sharing the same key.
+         * Grouped notifications may display in a cluster or stack on devices which
+         * support such rendering.
+         *
+         * <p>To make this notification the summary for its group, also call
+         * {@link #setGroupSummary}. A sort order can be specified for group members by using
+         * {@link #setSortKey}.
+         * @param groupKey The group key of the group.
+         * @return this object for method chaining
+         */
+        public Builder setGroup(String groupKey) {
+            mGroupKey = groupKey;
+            return this;
+        }
+
+        /**
+         * Set this notification to be the group summary for a group of notifications.
+         * Grouped notifications may display in a cluster or stack on devices which
+         * support such rendering. Requires a group key also be set using {@link #setGroup}.
+         * @param isGroupSummary Whether this notification should be a group summary.
+         * @return this object for method chaining
+         */
+        public Builder setGroupSummary(boolean isGroupSummary) {
+            setFlag(FLAG_GROUP_SUMMARY, isGroupSummary);
+            return this;
+        }
+
+        /**
+         * Set a sort key that orders this notification among other notifications from the
+         * same package. This can be useful if an external sort was already applied and an app
+         * would like to preserve this. Notifications will be sorted lexicographically using this
+         * value, although providing different priorities in addition to providing sort key may
+         * cause this value to be ignored.
+         *
+         * <p>This sort key can also be used to order members of a notification group. See
+         * {@link Builder#setGroup}.
+         *
+         * @see String#compareTo(String)
+         */
+        public Builder setSortKey(String sortKey) {
+            mSortKey = sortKey;
+            return this;
+        }
+
+        /**
          * Merge additional metadata into this notification.
          *
          * <p>Values within the Bundle will replace existing extras values in this Builder.
@@ -1949,7 +2119,7 @@
 
         /**
          * Specify the value of {@link #visibility}.
-
+         *
          * @param visibility One of {@link #VISIBILITY_PRIVATE} (the default),
          * {@link #VISIBILITY_SECRET}, or {@link #VISIBILITY_PUBLIC}.
          *
@@ -1971,6 +2141,28 @@
             return this;
         }
 
+        /**
+         * Apply an extender to this notification builder. Extenders may be used to add
+         * metadata or change options on this builder.
+         */
+        public Builder apply(Extender extender) {
+            extender.applyTo(this);
+            return this;
+        }
+
+        /**
+         * Extender interface for use with {@link #apply}. Extenders may be used to add
+         * metadata or change options on this builder.
+         */
+        public interface Extender {
+            /**
+             * Apply this extender to a notification builder.
+             * @param builder the builder to be modified.
+             * @return the build object for chaining.
+             */
+            public Builder applyTo(Builder builder);
+        }
+
         private void setFlag(int mask, boolean value) {
             if (value) {
                 mFlags |= mask;
@@ -2298,6 +2490,8 @@
                 n.flags |= FLAG_SHOW_LIGHTS;
             }
             n.category = mCategory;
+            n.mGroupKey = mGroupKey;
+            n.mSortKey = mSortKey;
             n.priority = mPriority;
             if (mActions.size() > 0) {
                 n.actions = new Action[mActions.size()];
diff --git a/core/java/android/app/RemoteInput.java b/core/java/android/app/RemoteInput.java
new file mode 100644
index 0000000..098568e
--- /dev/null
+++ b/core/java/android/app/RemoteInput.java
@@ -0,0 +1,297 @@
+/*
+ * Copyright (C) 2014 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 android.app;
+
+import android.content.ClipData;
+import android.content.ClipDescription;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * A {@code RemoteInput} object specifies input to be collected from a user to be passed along with
+ * an intent inside a {@link android.app.PendingIntent} that is sent.
+ * Always use {@link RemoteInput.Builder} to create instances of this class.
+ * <p class="note"> See
+ * <a href="{@docRoot}wear/notifications/remote-input.html">Receiving Voice Input from
+ * a Notification</a> for more information on how to use this class.
+ *
+ * <p>The following example adds a {@code RemoteInput} to a {@link Notification.Action},
+ * sets the result key as {@code quick_reply}, and sets the label as {@code Quick reply}.
+ * Users are prompted to input a response when they trigger the action. The results are sent along
+ * with the intent and can be retrieved with the result key (provided to the {@link Builder}
+ * constructor) from the Bundle returned by {@link #getResultsFromIntent}.
+ *
+ * <pre class="prettyprint">
+ * public static final String KEY_QUICK_REPLY_TEXT = "quick_reply";
+ * Notification.Action action = new Notification.Action.Builder(
+ *         R.drawable.reply, &quot;Reply&quot;, actionIntent)
+ *         <b>.addRemoteInput(new RemoteInput.Builder(KEY_QUICK_REPLY_TEXT)
+ *                 .setLabel("Quick reply").build()</b>)
+ *         .build();</pre>
+ *
+ * <p>When the {@link android.app.PendingIntent} is fired, the intent inside will contain the
+ * input results if collected. To access these results, use the {@link #getResultsFromIntent}
+ * function. The result values will present under the result key passed to the {@link Builder}
+ * constructor.
+ *
+ * <pre class="prettyprint">
+ * public static final String KEY_QUICK_REPLY_TEXT = "quick_reply";
+ * Bundle results = RemoteInput.getResultsFromIntent(intent);
+ * if (results != null) {
+ *     CharSequence quickReplyResult = results.getCharSequence(KEY_QUICK_REPLY_TEXT);
+ * }</pre>
+ */
+public final class RemoteInput implements Parcelable {
+    /** Label used to denote the clip data type used for remote input transport */
+    public static final String RESULTS_CLIP_LABEL = "android.remoteinput.results";
+
+    /** Extra added to a clip data intent object to hold the results bundle. */
+    public static final String EXTRA_RESULTS_DATA = "android.remoteinput.resultsData";
+
+    private final String mResultKey;
+    private final CharSequence mLabel;
+    private final CharSequence[] mChoices;
+    private final boolean mAllowFreeFormInput;
+    private final Bundle mExtras;
+
+    private RemoteInput(String resultKey, CharSequence label, CharSequence[] choices,
+            boolean allowFreeFormInput, Bundle extras) {
+        this.mResultKey = resultKey;
+        this.mLabel = label;
+        this.mChoices = choices;
+        this.mAllowFreeFormInput = allowFreeFormInput;
+        this.mExtras = extras;
+    }
+
+    /**
+     * Get the key that the result of this input will be set in from the Bundle returned by
+     * {@link #getResultsFromIntent} when the {@link android.app.PendingIntent} is sent.
+     */
+    public String getResultKey() {
+        return mResultKey;
+    }
+
+    /**
+     * Get the label to display to users when collecting this input.
+     */
+    public CharSequence getLabel() {
+        return mLabel;
+    }
+
+    /**
+     * Get possible input choices. This can be {@code null} if there are no choices to present.
+     */
+    public CharSequence[] getChoices() {
+        return mChoices;
+    }
+
+    /**
+     * Get whether or not users can provide an arbitrary value for
+     * input. If you set this to {@code false}, users must select one of the
+     * choices in {@link #getChoices}. An {@link IllegalArgumentException} is thrown
+     * if you set this to false and {@link #getChoices} returns {@code null} or empty.
+     */
+    public boolean getAllowFreeFormInput() {
+        return mAllowFreeFormInput;
+    }
+
+    /**
+     * Get additional metadata carried around with this remote input.
+     */
+    public Bundle getExtras() {
+        return mExtras;
+    }
+
+    /**
+     * Builder class for {@link RemoteInput} objects.
+     */
+    public static final class Builder {
+        private final String mResultKey;
+        private CharSequence mLabel;
+        private CharSequence[] mChoices;
+        private boolean mAllowFreeFormInput = true;
+        private Bundle mExtras = new Bundle();
+
+        /**
+         * Create a builder object for {@link RemoteInput} objects.
+         * @param resultKey the Bundle key that refers to this input when collected from the user
+         */
+        public Builder(String resultKey) {
+            if (resultKey == null) {
+                throw new IllegalArgumentException("Result key can't be null");
+            }
+            mResultKey = resultKey;
+        }
+
+        /**
+         * Set a label to be displayed to the user when collecting this input.
+         * @param label The label to show to users when they input a response.
+         * @return this object for method chaining
+         */
+        public Builder setLabel(CharSequence label) {
+            mLabel = Notification.safeCharSequence(label);
+            return this;
+        }
+
+        /**
+         * Specifies choices available to the user to satisfy this input.
+         * @param choices an array of pre-defined choices for users input.
+         *        You must provide a non-null and non-empty array if
+         *        you set {@link #mAllowFreeFormInput} to {@code false}.
+         * @return this object for method chaining
+         */
+        public Builder setChoices(CharSequence[] choices) {
+            if (choices == null) {
+                mChoices = null;
+            } else {
+                mChoices = new CharSequence[choices.length];
+                for (int i = 0; i < choices.length; i++) {
+                    mChoices[i] = Notification.safeCharSequence(choices[i]);
+                }
+            }
+            return this;
+        }
+
+        /**
+         * Specifies whether the user can provide arbitrary values.
+         *
+         * @param allowFreeFormInput The default is {@code true}.
+         *         If you specify {@code false}, you must provide a non-null
+         *         and non-empty array to {@link #setChoices} or an
+         *         {@link IllegalArgumentException} is thrown.
+         * @return this object for method chaining
+         */
+        public Builder setAllowFreeFormInput(boolean allowFreeFormInput) {
+            mAllowFreeFormInput = allowFreeFormInput;
+            return this;
+        }
+
+        /**
+         * Merge additional metadata into this builder.
+         *
+         * <p>Values within the Bundle will replace existing extras values in this Builder.
+         *
+         * @see RemoteInput#getExtras
+         */
+        public Builder addExtras(Bundle extras) {
+            if (extras != null) {
+                mExtras.putAll(extras);
+            }
+            return this;
+        }
+
+        /**
+         * Get the metadata Bundle used by this Builder.
+         *
+         * <p>The returned Bundle is shared with this Builder.
+         */
+        public Bundle getExtras() {
+            return mExtras;
+        }
+
+        /**
+         * Combine all of the options that have been set and return a new {@link RemoteInput}
+         * object.
+         */
+        public RemoteInput build() {
+            return new RemoteInput(mResultKey, mLabel, mChoices, mAllowFreeFormInput, mExtras);
+        }
+    }
+
+    private RemoteInput(Parcel in) {
+        mResultKey = in.readString();
+        mLabel = in.readCharSequence();
+        mChoices = in.readCharSequenceArray();
+        mAllowFreeFormInput = in.readInt() != 0;
+        mExtras = in.readBundle();
+    }
+
+    /**
+     * Get the remote input results bundle from an intent. The returned Bundle will
+     * contain a key/value for every result key populated by remote input collector.
+     * Use the {@link Bundle#getCharSequence(String)} method to retrieve a value.
+     * @param intent The intent object that fired in response to an action or content intent
+     *               which also had one or more remote input requested.
+     */
+    public static Bundle getResultsFromIntent(Intent intent) {
+        ClipData clipData = intent.getClipData();
+        if (clipData == null) {
+            return null;
+        }
+        ClipDescription clipDescription = clipData.getDescription();
+        if (!clipDescription.hasMimeType(ClipDescription.MIMETYPE_TEXT_INTENT)) {
+            return null;
+        }
+        if (clipDescription.getLabel().equals(RESULTS_CLIP_LABEL)) {
+            return clipData.getItemAt(0).getIntent().getExtras().getParcelable(EXTRA_RESULTS_DATA);
+        }
+        return null;
+    }
+
+    /**
+     * Populate an intent object with the results gathered from remote input. This method
+     * should only be called by remote input collection services when sending results to a
+     * pending intent.
+     * @param remoteInputs The remote inputs for which results are being provided
+     * @param intent The intent to add remote inputs to. The {@link ClipData}
+     *               field of the intent will be modified to contain the results.
+     * @param results A bundle holding the remote input results. This bundle should
+     *                be populated with keys matching the result keys specified in
+     *                {@code remoteInputs} with values being the result per key.
+     */
+    public static void addResultsToIntent(RemoteInput[] remoteInputs, Intent intent,
+            Bundle results) {
+        Bundle resultsBundle = new Bundle();
+        for (RemoteInput remoteInput : remoteInputs) {
+            Object result = results.get(remoteInput.getResultKey());
+            if (result instanceof CharSequence) {
+                resultsBundle.putCharSequence(remoteInput.getResultKey(), (CharSequence) result);
+            }
+        }
+        Intent clipIntent = new Intent();
+        clipIntent.putExtra(EXTRA_RESULTS_DATA, resultsBundle);
+        intent.setClipData(ClipData.newIntent(RESULTS_CLIP_LABEL, clipIntent));
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel out, int flags) {
+        out.writeString(mResultKey);
+        out.writeCharSequence(mLabel);
+        out.writeCharSequenceArray(mChoices);
+        out.writeInt(mAllowFreeFormInput ? 1 : 0);
+        out.writeBundle(mExtras);
+    }
+
+    public static final Creator<RemoteInput> CREATOR = new Creator<RemoteInput>() {
+        @Override
+        public RemoteInput createFromParcel(Parcel in) {
+            return new RemoteInput(in);
+        }
+
+        @Override
+        public RemoteInput[] newArray(int size) {
+            return new RemoteInput[size];
+        }
+    };
+}