Bluetooth 5 periodc scan API (1/2)

Bug: 30622771
Test: manual
Change-Id: I61853bc71f6013e9406d1d151bb51ea4484bb92c
diff --git a/Android.mk b/Android.mk
index 356c80f..9b09f20 100644
--- a/Android.mk
+++ b/Android.mk
@@ -143,6 +143,7 @@
 	core/java/android/bluetooth/IBluetoothGattCallback.aidl \
 	core/java/android/bluetooth/IBluetoothGattServerCallback.aidl \
 	core/java/android/bluetooth/le/IAdvertiserCallback.aidl \
+	core/java/android/bluetooth/le/IPeriodicAdvertisingCallback.aidl \
 	core/java/android/bluetooth/le/IScannerCallback.aidl \
 	core/java/android/content/IClipboard.aidl \
 	core/java/android/content/IContentService.aidl \
diff --git a/api/current.txt b/api/current.txt
index 377bbc1..138693d 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7114,6 +7114,7 @@
     method public java.util.Set<android.bluetooth.BluetoothDevice> getBondedDevices();
     method public static synchronized android.bluetooth.BluetoothAdapter getDefaultAdapter();
     method public java.lang.String getName();
+    method public android.bluetooth.le.PeriodicAdvertisingManager getPeriodicAdvertisingManager();
     method public int getProfileConnectionState(int);
     method public boolean getProfileProxy(android.content.Context, android.bluetooth.BluetoothProfile.ServiceListener, int);
     method public android.bluetooth.BluetoothDevice getRemoteDevice(java.lang.String);
@@ -7909,6 +7910,36 @@
     method public void stopScan(android.bluetooth.le.ScanCallback);
   }
 
+  public abstract class PeriodicAdvertisingCallback {
+    ctor public PeriodicAdvertisingCallback();
+    method public void onPeriodicAdvertisingReport(android.bluetooth.le.PeriodicAdvertisingReport);
+    method public void onSyncEstablished(int, android.bluetooth.BluetoothDevice, int, int, int, int);
+    method public void onSyncLost(int);
+    field public static final int SYNC_NO_RESOURCES = 2; // 0x2
+    field public static final int SYNC_NO_RESPONSE = 1; // 0x1
+  }
+
+  public final class PeriodicAdvertisingManager {
+    method public void registerSync(android.bluetooth.le.ScanResult, int, int, android.bluetooth.le.PeriodicAdvertisingCallback);
+    method public void registerSync(android.bluetooth.le.ScanResult, int, int, android.bluetooth.le.PeriodicAdvertisingCallback, android.os.Handler);
+    method public void unregisterSync(android.bluetooth.le.PeriodicAdvertisingCallback);
+  }
+
+  public final class PeriodicAdvertisingReport implements android.os.Parcelable {
+    ctor public PeriodicAdvertisingReport(int, int, int, int, android.bluetooth.le.ScanRecord);
+    method public int describeContents();
+    method public android.bluetooth.le.ScanRecord getData();
+    method public int getDataStatus();
+    method public int getRssi();
+    method public int getSyncHandle();
+    method public long getTimestampNanos();
+    method public int getTxPower();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.bluetooth.le.PeriodicAdvertisingReport> CREATOR;
+    field public static final int DATA_COMPLETE = 0; // 0x0
+    field public static final int DATA_INCOMPLETE_TRUNCATED = 2; // 0x2
+  }
+
   public abstract class ScanCallback {
     ctor public ScanCallback();
     method public void onBatchScanResults(java.util.List<android.bluetooth.le.ScanResult>);
diff --git a/api/system-current.txt b/api/system-current.txt
index b932bb2..8ff6754 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7586,6 +7586,7 @@
     method public java.util.Set<android.bluetooth.BluetoothDevice> getBondedDevices();
     method public static synchronized android.bluetooth.BluetoothAdapter getDefaultAdapter();
     method public java.lang.String getName();
+    method public android.bluetooth.le.PeriodicAdvertisingManager getPeriodicAdvertisingManager();
     method public int getProfileConnectionState(int);
     method public boolean getProfileProxy(android.content.Context, android.bluetooth.BluetoothProfile.ServiceListener, int);
     method public android.bluetooth.BluetoothDevice getRemoteDevice(java.lang.String);
@@ -8390,6 +8391,36 @@
     method public void stopScan(android.bluetooth.le.ScanCallback);
   }
 
+  public abstract class PeriodicAdvertisingCallback {
+    ctor public PeriodicAdvertisingCallback();
+    method public void onPeriodicAdvertisingReport(android.bluetooth.le.PeriodicAdvertisingReport);
+    method public void onSyncEstablished(int, android.bluetooth.BluetoothDevice, int, int, int, int);
+    method public void onSyncLost(int);
+    field public static final int SYNC_NO_RESOURCES = 2; // 0x2
+    field public static final int SYNC_NO_RESPONSE = 1; // 0x1
+  }
+
+  public final class PeriodicAdvertisingManager {
+    method public void registerSync(android.bluetooth.le.ScanResult, int, int, android.bluetooth.le.PeriodicAdvertisingCallback);
+    method public void registerSync(android.bluetooth.le.ScanResult, int, int, android.bluetooth.le.PeriodicAdvertisingCallback, android.os.Handler);
+    method public void unregisterSync(android.bluetooth.le.PeriodicAdvertisingCallback);
+  }
+
+  public final class PeriodicAdvertisingReport implements android.os.Parcelable {
+    ctor public PeriodicAdvertisingReport(int, int, int, int, android.bluetooth.le.ScanRecord);
+    method public int describeContents();
+    method public android.bluetooth.le.ScanRecord getData();
+    method public int getDataStatus();
+    method public int getRssi();
+    method public int getSyncHandle();
+    method public long getTimestampNanos();
+    method public int getTxPower();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.bluetooth.le.PeriodicAdvertisingReport> CREATOR;
+    field public static final int DATA_COMPLETE = 0; // 0x0
+    field public static final int DATA_INCOMPLETE_TRUNCATED = 2; // 0x2
+  }
+
   public final class ResultStorageDescriptor implements android.os.Parcelable {
     ctor public ResultStorageDescriptor(int, int, int);
     method public int describeContents();
diff --git a/api/test-current.txt b/api/test-current.txt
index 991a394..32a4b71 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -7141,6 +7141,7 @@
     method public java.util.Set<android.bluetooth.BluetoothDevice> getBondedDevices();
     method public static synchronized android.bluetooth.BluetoothAdapter getDefaultAdapter();
     method public java.lang.String getName();
+    method public android.bluetooth.le.PeriodicAdvertisingManager getPeriodicAdvertisingManager();
     method public int getProfileConnectionState(int);
     method public boolean getProfileProxy(android.content.Context, android.bluetooth.BluetoothProfile.ServiceListener, int);
     method public android.bluetooth.BluetoothDevice getRemoteDevice(java.lang.String);
@@ -7936,6 +7937,36 @@
     method public void stopScan(android.bluetooth.le.ScanCallback);
   }
 
+  public abstract class PeriodicAdvertisingCallback {
+    ctor public PeriodicAdvertisingCallback();
+    method public void onPeriodicAdvertisingReport(android.bluetooth.le.PeriodicAdvertisingReport);
+    method public void onSyncEstablished(int, android.bluetooth.BluetoothDevice, int, int, int, int);
+    method public void onSyncLost(int);
+    field public static final int SYNC_NO_RESOURCES = 2; // 0x2
+    field public static final int SYNC_NO_RESPONSE = 1; // 0x1
+  }
+
+  public final class PeriodicAdvertisingManager {
+    method public void registerSync(android.bluetooth.le.ScanResult, int, int, android.bluetooth.le.PeriodicAdvertisingCallback);
+    method public void registerSync(android.bluetooth.le.ScanResult, int, int, android.bluetooth.le.PeriodicAdvertisingCallback, android.os.Handler);
+    method public void unregisterSync(android.bluetooth.le.PeriodicAdvertisingCallback);
+  }
+
+  public final class PeriodicAdvertisingReport implements android.os.Parcelable {
+    ctor public PeriodicAdvertisingReport(int, int, int, int, android.bluetooth.le.ScanRecord);
+    method public int describeContents();
+    method public android.bluetooth.le.ScanRecord getData();
+    method public int getDataStatus();
+    method public int getRssi();
+    method public int getSyncHandle();
+    method public long getTimestampNanos();
+    method public int getTxPower();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.bluetooth.le.PeriodicAdvertisingReport> CREATOR;
+    field public static final int DATA_COMPLETE = 0; // 0x0
+    field public static final int DATA_INCOMPLETE_TRUNCATED = 2; // 0x2
+  }
+
   public abstract class ScanCallback {
     ctor public ScanCallback();
     method public void onBatchScanResults(java.util.List<android.bluetooth.le.ScanResult>);
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index c403487..d36692a 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -26,6 +26,7 @@
 import android.app.ActivityThread;
 import android.bluetooth.le.BluetoothLeAdvertiser;
 import android.bluetooth.le.BluetoothLeScanner;
+import android.bluetooth.le.PeriodicAdvertisingManager;
 import android.bluetooth.le.ScanCallback;
 import android.bluetooth.le.ScanFilter;
 import android.bluetooth.le.ScanRecord;
@@ -525,6 +526,7 @@
 
     private static BluetoothLeScanner sBluetoothLeScanner;
     private static BluetoothLeAdvertiser sBluetoothLeAdvertiser;
+    private static PeriodicAdvertisingManager sPeriodicAdvertisingManager;
 
     private final IBluetoothManager mManagerService;
     private IBluetooth mService;
@@ -630,6 +632,30 @@
     }
 
     /**
+     * Returns a {@link PeriodicAdvertisingManager} object for Bluetooth LE Periodic Advertising
+     * operations. Will return null if Bluetooth is turned off or if Bluetooth LE Periodic
+     * Advertising is not supported on this device.
+     * <p>
+     * Use {@link #isLePeriodicAdvertisingSupported()} to check whether LE Periodic Advertising is
+     * supported on this device before calling this method.
+     */
+    public PeriodicAdvertisingManager getPeriodicAdvertisingManager() {
+      if (!getLeAccess())
+        return null;
+
+      if (!isLePeriodicAdvertisingSupported())
+        return null;
+
+      synchronized (mLock) {
+        if (sPeriodicAdvertisingManager == null) {
+          sPeriodicAdvertisingManager =
+              new PeriodicAdvertisingManager(mManagerService);
+        }
+      }
+      return sPeriodicAdvertisingManager;
+    }
+
+    /**
      * Returns a {@link BluetoothLeScanner} object for Bluetooth LE scan operations.
      */
     public BluetoothLeScanner getBluetoothLeScanner() {
diff --git a/core/java/android/bluetooth/IBluetoothGatt.aidl b/core/java/android/bluetooth/IBluetoothGatt.aidl
index aa2291e..69563cb 100644
--- a/core/java/android/bluetooth/IBluetoothGatt.aidl
+++ b/core/java/android/bluetooth/IBluetoothGatt.aidl
@@ -21,6 +21,7 @@
 import android.bluetooth.le.AdvertiseSettings;
 import android.bluetooth.le.AdvertiseData;
 import android.bluetooth.le.ScanFilter;
+import android.bluetooth.le.ScanResult;
 import android.bluetooth.le.ScanSettings;
 import android.bluetooth.le.ResultStorageDescriptor;
 import android.os.ParcelUuid;
@@ -29,6 +30,7 @@
 import android.bluetooth.IBluetoothGattCallback;
 import android.bluetooth.IBluetoothGattServerCallback;
 import android.bluetooth.le.IAdvertiserCallback;
+import android.bluetooth.le.IPeriodicAdvertisingCallback;
 import android.bluetooth.le.IScannerCallback;
 
 /**
@@ -53,6 +55,9 @@
                                in AdvertiseSettings settings);
     void stopMultiAdvertising(in int advertiserId);
 
+    void registerSync(in ScanResult scanResult, in int skip, in int timeout, in IPeriodicAdvertisingCallback callback);
+    void unregisterSync(in IPeriodicAdvertisingCallback callback);
+
     void registerClient(in ParcelUuid appId, in IBluetoothGattCallback callback);
     void unregisterClient(in int clientIf);
     void clientConnect(in int clientIf, in String address, in boolean isDirect, in int transport);
diff --git a/core/java/android/bluetooth/le/IPeriodicAdvertisingCallback.aidl b/core/java/android/bluetooth/le/IPeriodicAdvertisingCallback.aidl
new file mode 100644
index 0000000..a76c54d
--- /dev/null
+++ b/core/java/android/bluetooth/le/IPeriodicAdvertisingCallback.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017 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.bluetooth.le;
+
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.le.PeriodicAdvertisingReport;
+
+/**
+ * Callback definitions for interacting with Periodic Advertising
+ * @hide
+ */
+oneway interface IPeriodicAdvertisingCallback {
+
+  void onSyncEstablished(in int syncHandle, in BluetoothDevice device, in int advertisingSid,
+                         in int skip, in int timeout, in int status);
+  void onPeriodicAdvertisingReport(in PeriodicAdvertisingReport report);
+  void onSyncLost(in int syncHandle);
+}
diff --git a/core/java/android/bluetooth/le/PeriodicAdvertisingCallback.java b/core/java/android/bluetooth/le/PeriodicAdvertisingCallback.java
new file mode 100644
index 0000000..6616231
--- /dev/null
+++ b/core/java/android/bluetooth/le/PeriodicAdvertisingCallback.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2017 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.bluetooth.le;
+
+import android.bluetooth.BluetoothDevice;
+
+/**
+ * Bluetooth LE periodic advertising callbacks, used to deliver periodic
+ * advertising operation status.
+ *
+ * @see PeriodicAdvertisingManager#createSync
+ */
+public abstract class PeriodicAdvertisingCallback {
+
+    /**
+     * The requested operation was successful.
+     *
+     * @hide
+     */
+    public static final int SYNC_SUCCESS = 0;
+
+    /**
+     * Sync failed to be established because remote device did not respond.
+     */
+    public static final int SYNC_NO_RESPONSE = 1;
+
+    /**
+     *  Sync failed to be established because controller can't support more syncs.
+     */
+    public static final int SYNC_NO_RESOURCES = 2;
+
+
+    /**
+     * Callback when synchronization was established.
+     *
+     * @param syncHandle handle used to identify this synchronization.
+     * @param device remote device.
+     * @param advertisingSid synchronized advertising set id.
+     * @param skip  The number of periodic advertising packets that can be skipped
+     * after a successful receive in force. @see PeriodicAdvertisingManager#createSync
+     * @param timeout Synchronization timeout for the periodic advertising in force. One
+     * unit is 10ms. @see PeriodicAdvertisingManager#createSync
+     * @param timeout
+     * @param status operation status.
+     */
+    public void onSyncEstablished(int syncHandle, BluetoothDevice device,
+                                  int advertisingSid, int skip, int timeout,
+                                  int status) {}
+
+    /**
+     * Callback when periodic advertising report is received.
+     *
+     * @param report periodic advertising report.
+     */
+    public void onPeriodicAdvertisingReport(PeriodicAdvertisingReport report) {}
+
+    /**
+     * Callback when periodic advertising synchronization was lost.
+     *
+     * @param syncHandle handle used to identify this synchronization.
+     */
+    public void onSyncLost(int syncHandle) {}
+}
diff --git a/core/java/android/bluetooth/le/PeriodicAdvertisingManager.java b/core/java/android/bluetooth/le/PeriodicAdvertisingManager.java
new file mode 100644
index 0000000..12c8a8c
--- /dev/null
+++ b/core/java/android/bluetooth/le/PeriodicAdvertisingManager.java
@@ -0,0 +1,237 @@
+/*
+ * Copyright (C) 2017 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.bluetooth.le;
+
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.IBluetoothGatt;
+import android.bluetooth.IBluetoothManager;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.RemoteException;
+import android.util.Log;
+import java.util.IdentityHashMap;
+import java.util.Map;
+
+/**
+ * This class provides methods to perform periodic advertising related
+ * operations. An application can register for periodic advertisements using
+ * {@link PeriodicAdvertisingManager#registerSync}.
+ * <p>
+ * Use {@link BluetoothAdapter#getPeriodicAdvertisingManager()} to get an
+ * instance of {@link PeriodicAdvertisingManager}.
+ * <p>
+ * <b>Note:</b> Most of the methods here require
+ * {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
+ */
+public final class PeriodicAdvertisingManager {
+
+  private static final String TAG = "PeriodicAdvertisingManager";
+
+  private static final int SKIP_MIN = 0;
+  private static final int SKIP_MAX = 499;
+  private static final int TIMEOUT_MIN = 10;
+  private static final int TIMEOUT_MAX = 16384;
+
+  private static final int SYNC_STARTING = -1;
+
+  private final IBluetoothManager mBluetoothManager;
+  private BluetoothAdapter mBluetoothAdapter;
+
+  /* maps callback, to callback wrapper and sync handle */
+  Map<PeriodicAdvertisingCallback,
+      IPeriodicAdvertisingCallback /* callbackWrapper */> callbackWrappers;
+
+  /**
+   * Use {@link BluetoothAdapter#getBluetoothLeScanner()} instead.
+   *
+   * @param bluetoothManager BluetoothManager that conducts overall Bluetooth Management.
+   * @hide
+   */
+  public PeriodicAdvertisingManager(IBluetoothManager bluetoothManager) {
+    mBluetoothManager = bluetoothManager;
+    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+    callbackWrappers = new IdentityHashMap<>();
+  }
+
+  /**
+   * Synchronize with periodic advertising pointed to by the {@code scanResult}.
+   * The {@code scanResult} used must contain a valid advertisingSid. First
+   * call to registerSync will use the {@code skip} and {@code timeout} provided.
+   * Subsequent calls from other apps, trying to sync with same set will reuse
+   * existing sync, thus {@code skip} and {@code timeout} values will not take
+   * effect. The values in effect will be returned in
+   * {@link PeriodicAdvertisingCallback#onSyncEstablished}.
+   *
+   * @param scanResult Scan result containing advertisingSid.
+   * @param skip The number of periodic advertising packets that can be skipped
+   * after a successful receive. Must be between 0 and 499.
+   * @param timeout Synchronization timeout for the periodic advertising. One
+   * unit is 10ms. Must be between 10 (100ms) and 16384 (163.84s).
+   * @param callback Callback used to deliver all operations status.
+   * @throws IllegalArgumentException if {@code scanResult} is null or {@code
+   * skip} is invalid or {@code timeout} is invalid or {@code callback} is null.
+   */
+  public void registerSync(ScanResult scanResult, int skip, int timeout,
+                         PeriodicAdvertisingCallback callback) {
+    registerSync(scanResult, skip, timeout, callback, null);
+  }
+
+  /**
+   * Synchronize with periodic advertising pointed to by the {@code scanResult}.
+   * The {@code scanResult} used must contain a valid advertisingSid. First
+   * call to registerSync will use the {@code skip} and {@code timeout} provided.
+   * Subsequent calls from other apps, trying to sync with same set will reuse
+   * existing sync, thus {@code skip} and {@code timeout} values will not take
+   * effect. The values in effect will be returned in
+   * {@link PeriodicAdvertisingCallback#onSyncEstablished}.
+   *
+   * @param scanResult Scan result containing advertisingSid.
+   * @param skip The number of periodic advertising packets that can be skipped
+   * after a successful receive. Must be between 0 and 499.
+   * @param timeout Synchronization timeout for the periodic advertising. One
+   * unit is 10ms. Must be between 10 (100ms) and 16384 (163.84s).
+   * @param callback Callback used to deliver all operations status.
+   * @param handler thread upon which the callbacks will be invoked.
+   * @throws IllegalArgumentException if {@code scanResult} is null or {@code
+   * skip} is invalid or {@code timeout} is invalid or {@code callback} is null.
+   */
+  public void registerSync(ScanResult scanResult, int skip, int timeout,
+                         PeriodicAdvertisingCallback callback, Handler handler) {
+    if (callback == null) {
+      throw new IllegalArgumentException("callback can't be null");
+    }
+
+    if (scanResult == null) {
+      throw new IllegalArgumentException("scanResult can't be null");
+    }
+
+    if (scanResult.getAdvertisingSid() == ScanResult.SID_NOT_PRESENT) {
+      throw new IllegalArgumentException("scanResult must contain a valid sid");
+    }
+
+    if (skip < SKIP_MIN || skip > SKIP_MAX) {
+      throw new IllegalArgumentException(
+          "timeout must be between " + TIMEOUT_MIN + " and " + TIMEOUT_MAX);
+    }
+
+    if (timeout < TIMEOUT_MIN || timeout > TIMEOUT_MAX) {
+      throw new IllegalArgumentException(
+          "timeout must be between " + TIMEOUT_MIN + " and " + TIMEOUT_MAX);
+    }
+
+    IBluetoothGatt gatt;
+    try {
+        gatt = mBluetoothManager.getBluetoothGatt();
+    } catch (RemoteException e) {
+        Log.e(TAG, "Failed to get Bluetooth gatt - ", e);
+        callback.onSyncEstablished(0, scanResult.getDevice(), scanResult.getAdvertisingSid(),
+                                   skip, timeout,
+                                   PeriodicAdvertisingCallback.SYNC_NO_RESOURCES);
+        return;
+    }
+
+    if (handler == null)
+      handler = new Handler(Looper.getMainLooper());
+
+    IPeriodicAdvertisingCallback wrapped = wrap(callback, handler);
+    callbackWrappers.put(callback, wrapped);
+
+    try {
+      gatt.registerSync(scanResult, skip, timeout, wrapped);
+    } catch (RemoteException e) {
+      Log.e(TAG, "Failed to register sync - ", e);
+      return;
+    }
+  }
+
+  /**
+   * Cancel pending attempt to create sync, or terminate existing sync.
+   *
+   * @param callback Callback used to deliver all operations status.
+   * @throws IllegalArgumentException if {@code callback} is null, or not a properly
+   * registered callback.
+   */
+  public void unregisterSync(PeriodicAdvertisingCallback callback) {
+    if (callback == null) {
+      throw new IllegalArgumentException("callback can't be null");
+    }
+
+    IBluetoothGatt gatt;
+    try {
+        gatt = mBluetoothManager.getBluetoothGatt();
+    } catch (RemoteException e) {
+        Log.e(TAG, "Failed to get Bluetooth gatt - ", e);
+        return;
+    }
+
+    IPeriodicAdvertisingCallback wrapper = callbackWrappers.remove(callback);
+    if (wrapper == null) {
+      throw new IllegalArgumentException("callback was not properly registered");
+    }
+
+    try {
+      gatt.unregisterSync(wrapper);
+    } catch (RemoteException e) {
+        Log.e(TAG, "Failed to cancel sync creation - ", e);
+        return;
+    }
+  }
+
+  private IPeriodicAdvertisingCallback wrap(PeriodicAdvertisingCallback callback, Handler handler) {
+    return new IPeriodicAdvertisingCallback.Stub() {
+      public void onSyncEstablished(int syncHandle, BluetoothDevice device,
+                                    int advertisingSid, int skip, int timeout, int status) {
+
+          handler.post(new Runnable() {
+              @Override
+              public void run() {
+                  callback.onSyncEstablished(syncHandle, device, advertisingSid, skip, timeout,
+                                             status);
+
+                  if (status != PeriodicAdvertisingCallback.SYNC_SUCCESS) {
+                      // App can still unregister the sync until notified it failed. Remove callback
+                      // after app was notifed.
+                      callbackWrappers.remove(callback);
+                  }
+              }
+          });
+      }
+
+      public void onPeriodicAdvertisingReport(PeriodicAdvertisingReport report) {
+          handler.post(new Runnable() {
+              @Override
+              public void run() {
+                callback.onPeriodicAdvertisingReport(report);
+              }
+          });
+      }
+
+      public void onSyncLost(int syncHandle) {
+          handler.post(new Runnable() {
+              @Override
+              public void run() {
+                callback.onSyncLost(syncHandle);
+                // App can still unregister the sync until notified it's lost. Remove callback after
+                // app was notifed.
+                callbackWrappers.remove(callback);
+              }
+          });
+      }
+    };
+  }
+}
diff --git a/core/java/android/bluetooth/le/PeriodicAdvertisingReport.aidl b/core/java/android/bluetooth/le/PeriodicAdvertisingReport.aidl
new file mode 100644
index 0000000..547d096
--- /dev/null
+++ b/core/java/android/bluetooth/le/PeriodicAdvertisingReport.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2017 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.bluetooth.le;
+
+parcelable PeriodicAdvertisingReport;
diff --git a/core/java/android/bluetooth/le/PeriodicAdvertisingReport.java b/core/java/android/bluetooth/le/PeriodicAdvertisingReport.java
new file mode 100644
index 0000000..3ff4ca5
--- /dev/null
+++ b/core/java/android/bluetooth/le/PeriodicAdvertisingReport.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2017 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.bluetooth.le;
+
+import android.annotation.Nullable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Objects;
+
+/**
+ * PeriodicAdvertisingReport for Bluetooth LE synchronized advertising.
+ */
+public final class PeriodicAdvertisingReport implements Parcelable {
+
+    /**
+     * The data returned is complete
+     */
+    public static final int DATA_COMPLETE = 0;
+
+    /**
+     * The data returned is incomplete. The controller was unsuccessfull to
+     * receive all chained packets, returning only partial data.
+     */
+    public static final int DATA_INCOMPLETE_TRUNCATED = 2;
+
+    private int syncHandle;
+    private int txPower;
+    private int rssi;
+    private int dataStatus;
+
+    // periodic advertising data.
+    @Nullable
+    private ScanRecord data;
+
+    // Device timestamp when the result was last seen.
+    private long timestampNanos;
+
+    /**
+     * Constructor of periodic advertising result.
+     *
+     */
+    public PeriodicAdvertisingReport(int syncHandle, int txPower, int rssi,
+                                     int dataStatus, ScanRecord data) {
+        this.syncHandle = syncHandle;
+        this.txPower = txPower;
+        this.rssi = rssi;
+        this.dataStatus = dataStatus;
+        this.data = data;
+    }
+
+    private PeriodicAdvertisingReport(Parcel in) {
+        readFromParcel(in);
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(syncHandle);
+        dest.writeLong(txPower);
+        dest.writeInt(rssi);
+        dest.writeInt(dataStatus);
+        if (data != null) {
+            dest.writeInt(1);
+            dest.writeByteArray(data.getBytes());
+        } else {
+            dest.writeInt(0);
+        }
+    }
+
+    private void readFromParcel(Parcel in) {
+        syncHandle = in.readInt();
+        txPower = in.readInt();
+        rssi = in.readInt();
+        dataStatus = in.readInt();
+        if (in.readInt() == 1) {
+            data = ScanRecord.parseFromBytes(in.createByteArray());
+        }
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /**
+     * Returns the synchronization handle.
+     */
+    public int getSyncHandle() {
+        return syncHandle;
+    }
+
+    /**
+     * Returns the transmit power in dBm. The valid range is [-127, 126]. Value
+     * of 127 means information was not available.
+     */
+    public int getTxPower() {
+        return txPower;
+    }
+
+    /**
+     * Returns the received signal strength in dBm. The valid range is [-127, 20].
+     */
+    public int getRssi() {
+        return rssi;
+    }
+
+    /**
+     * Returns the data status. Can be one of {@link PeriodicAdvertisingReport#DATA_COMPLETE}
+     * or {@link PeriodicAdvertisingReport#DATA_INCOMPLETE_TRUNCATED}.
+     */
+    public int getDataStatus() {
+        return dataStatus;
+    }
+
+    /**
+     * Returns the data contained in this periodic advertising report.
+     */
+    @Nullable
+    public ScanRecord getData() {
+        return data;
+    }
+
+    /**
+     * Returns timestamp since boot when the scan record was observed.
+     */
+    public long getTimestampNanos() {
+        return timestampNanos;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(syncHandle, txPower, rssi, dataStatus, data, timestampNanos);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+        PeriodicAdvertisingReport other = (PeriodicAdvertisingReport) obj;
+        return (syncHandle == other.syncHandle) &&
+            (txPower == other.txPower) &&
+            (rssi == other.rssi) &&
+            (dataStatus == other.dataStatus) &&
+            Objects.equals(data, other.data) &&
+            (timestampNanos == other.timestampNanos);
+    }
+
+    @Override
+    public String toString() {
+      return "PeriodicAdvertisingReport{syncHandle=" + syncHandle +
+          ", txPower=" + txPower + ", rssi=" + rssi + ", dataStatus=" + dataStatus +
+          ", data=" + Objects.toString(data) + ", timestampNanos=" + timestampNanos + '}';
+    }
+
+    public static final Parcelable.Creator<PeriodicAdvertisingReport> CREATOR = new Creator<PeriodicAdvertisingReport>() {
+            @Override
+        public PeriodicAdvertisingReport createFromParcel(Parcel source) {
+            return new PeriodicAdvertisingReport(source);
+        }
+
+            @Override
+        public PeriodicAdvertisingReport[] newArray(int size) {
+            return new PeriodicAdvertisingReport[size];
+        }
+    };
+}