Merge "Bluetooth: add getDiscoveryEndMillis() call"

am: 1785fc4eea

Change-Id: Iecb0aaeae57b473c8679c492717fd7c6daad82ac

core/java/android/bluetooth/BluetoothAdapter.java

@@ -1183,6 +1183,25 @@ public final class BluetoothAdapter {
         }
     }
 
+    /**
+     * Get the end time of the latest remote device discovery process.
+     * @return the latest time that the bluetooth adapter was/will be in discovery mode,
+     * in milliseconds since the epoch.
+     * This time can be in the future if {@link #startDiscovery()} has been called recently.
+     * @hide
+     */
+    public long getDiscoveryEndMillis() {
+        try {
+            mServiceLock.readLock().lock();
+            if (mService != null) return mService.getDiscoveryEndMillis();
+        } catch (RemoteException e) {
+            Log.e(TAG, "", e);
+        } finally {
+            mServiceLock.readLock().unlock();
+        }
+        return -1;
+    }
+
     /**
      * Start the remote device discovery process.
      * <p>The discovery process usually involves an inquiry scan of about 12

core/java/android/bluetooth/IBluetooth.aidl

@@ -52,6 +52,7 @@ interface IBluetooth
     boolean startDiscovery();
     boolean cancelDiscovery();
     boolean isDiscovering();
+    long getDiscoveryEndMillis();
 
     int getAdapterConnectionState();
     int getProfileConnectionState(int profile);

packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothAdapter.java

@@ -135,6 +135,10 @@ public final class LocalBluetoothAdapter {
         mAdapter.setDiscoverableTimeout(timeout);
     }
 
+    public long getDiscoveryEndMillis() {
+        return mAdapter.getDiscoveryEndMillis();
+    }
+
     public void setName(String name) {
         mAdapter.setName(name);
     }