sl4a/Common/src/com/googlecode/android_scripting/facade/bluetooth/BluetoothFacade.java - platform/packages/apps/Test/connectivity - Git at Google

 /*
  * Copyright (C) 2016 Google Inc.
  *
  * 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 com.googlecode.android_scripting.facade.bluetooth;

 import android.app.Service;
 import android.bluetooth.BluetoothActivityEnergyInfo;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.os.ParcelUuid;

 import com.googlecode.android_scripting.Log;
 import com.googlecode.android_scripting.MainThread;
 import com.googlecode.android_scripting.facade.EventFacade;
 import com.googlecode.android_scripting.facade.FacadeManager;
 import com.googlecode.android_scripting.jsonrpc.RpcReceiver;
 import com.googlecode.android_scripting.rpc.Rpc;
 import com.googlecode.android_scripting.rpc.RpcDefault;
 import com.googlecode.android_scripting.rpc.RpcMinSdk;
 import com.googlecode.android_scripting.rpc.RpcOptional;
 import com.googlecode.android_scripting.rpc.RpcParameter;

 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ConcurrentHashMap;

 /**
  * Basic Bluetooth functions.
  */
 @RpcMinSdk(5)
 public class BluetoothFacade extends RpcReceiver {
     private final Service mService;
     private final BroadcastReceiver mDiscoveryReceiver;
     private final IntentFilter discoveryFilter;
     private final EventFacade mEventFacade;
     private final BluetoothStateReceiver mStateReceiver;
     private final BleStateReceiver mBleStateReceiver;
     private Map<String, BluetoothConnection> connections =
             new HashMap<String, BluetoothConnection>();
     private BluetoothAdapter mBluetoothAdapter;

     public static ConcurrentHashMap<String, BluetoothDevice> DiscoveredDevices;

     public BluetoothFacade(FacadeManager manager) {
         super(manager);
         mBluetoothAdapter = MainThread.run(manager.getService(), new Callable<BluetoothAdapter>() {
             @Override
             public BluetoothAdapter call() throws Exception {
                 return BluetoothAdapter.getDefaultAdapter();
             }
         });
         mEventFacade = manager.getReceiver(EventFacade.class);
         mService = manager.getService();

         DiscoveredDevices = new ConcurrentHashMap<String, BluetoothDevice>();
         discoveryFilter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
         discoveryFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
         mDiscoveryReceiver = new DiscoveryCacheReceiver();
         mStateReceiver = new BluetoothStateReceiver();
         mBleStateReceiver = new BleStateReceiver();
     }

     class DiscoveryCacheReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
             if (action.equals(BluetoothDevice.ACTION_FOUND)) {
                 BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
                 Log.d("Found device " + device.getAliasName());
                 if (!DiscoveredDevices.containsKey(device.getAddress())) {
                     String name = device.getAliasName();
                     if (name != null) {
                         DiscoveredDevices.put(device.getAliasName(), device);
                     }
                     DiscoveredDevices.put(device.getAddress(), device);
                 }
             } else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)) {
                 mEventFacade.postEvent("BluetoothDiscoveryFinished", new Bundle());
                 mService.unregisterReceiver(mDiscoveryReceiver);
             }
         }
     }

     class BluetoothStateReceiver extends BroadcastReceiver {

         @Override
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
             // TODO: Keep track of the separate states be a separate method.
             if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
                 final int state = mBluetoothAdapter.getState();
                 Bundle msg = new Bundle();
                 if (state == BluetoothAdapter.STATE_ON) {
                     msg.putString("State", "ON");
                     mEventFacade.postEvent("BluetoothStateChangedOn", msg);
                     mService.unregisterReceiver(mStateReceiver);
                 } else if(state == BluetoothAdapter.STATE_OFF) {
                     msg.putString("State", "OFF");
                     mEventFacade.postEvent("BluetoothStateChangedOff", msg);
                     mService.unregisterReceiver(mStateReceiver);
                 }
                 msg.clear();
             }
         }
     }

     class BleStateReceiver extends BroadcastReceiver {

         @Override
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
             if (action.equals(BluetoothAdapter.ACTION_BLE_STATE_CHANGED)) {
                 int state = mBluetoothAdapter.getLeState();
                 if (state == BluetoothAdapter.STATE_BLE_ON) {
                     mEventFacade.postEvent("BleStateChangedOn", new Bundle());
                     mService.unregisterReceiver(mBleStateReceiver);
                 } else if (state == BluetoothAdapter.STATE_OFF) {
                     mEventFacade.postEvent("BleStateChangedOff", new Bundle());
                     mService.unregisterReceiver(mBleStateReceiver);
                 }
             }
         }
     }


     public static boolean deviceMatch(BluetoothDevice device, String deviceID) {
         return deviceID.equals(device.getAliasName()) || deviceID.equals(device.getAddress());
     }

     public static <T> BluetoothDevice getDevice(ConcurrentHashMap<String, T> devices, String device)
             throws Exception {
         if (devices.containsKey(device)) {
             return (BluetoothDevice) devices.get(device);
         } else {
             throw new Exception("Can't find device " + device);
         }
     }

     public static BluetoothDevice getDevice(Collection<BluetoothDevice> devices, String deviceID)
             throws Exception {
         Log.d("Looking for " + deviceID);
         for (BluetoothDevice bd : devices) {
             Log.d(bd.getAliasName() + " " + bd.getAddress());
             if (deviceMatch(bd, deviceID)) {
                 Log.d("Found match " + bd.getAliasName() + " " + bd.getAddress());
                 return bd;
             }
         }
         throw new Exception("Can't find device " + deviceID);
     }

     public static boolean deviceExists(Collection<BluetoothDevice> devices, String deviceID) {
         for (BluetoothDevice bd : devices) {
             if (deviceMatch(bd, deviceID)) {
                 Log.d("Found match " + bd.getAliasName() + " " + bd.getAddress());
                 return true;
             }
         }
         return false;
     }

     @Rpc(description = "Requests that the device be made connectable.")
     public void bluetoothMakeConnectable() {
         mBluetoothAdapter
                 .setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE);
     }

     @Rpc(description = "Requests that the device be discoverable for Bluetooth connections.")
     public void bluetoothMakeDiscoverable(
             @RpcParameter(name = "duration",
                           description = "period of time, in seconds,"
                                       + "during which the device should be discoverable")
             @RpcDefault("300")
             Integer duration) {
         Log.d("Making discoverable for " + duration + " seconds.\n");
         mBluetoothAdapter
                 .setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE, duration);
     }

     @Rpc(description = "Requests that the device be not discoverable.")
     public void bluetoothMakeUndiscoverable() {
         Log.d("Making undiscoverable\n");
         mBluetoothAdapter.setScanMode(BluetoothAdapter.SCAN_MODE_NONE);
     }

     @Rpc(description = "Queries a remote device for it's name or null if it can't be resolved")
     public String bluetoothGetRemoteDeviceName(
             @RpcParameter(name = "address", description = "Bluetooth Address For Target Device")
             String address) {
         try {
             BluetoothDevice mDevice;
             mDevice = mBluetoothAdapter.getRemoteDevice(address);
             return mDevice.getName();
         } catch (Exception e) {
             return null;
         }
     }

     @Rpc(description = "Get local Bluetooth device name")
     public String bluetoothGetLocalName() {
         return mBluetoothAdapter.getName();
     }

     @Rpc(description = "Sets the Bluetooth visible device name", returns = "true on success")
     public boolean bluetoothSetLocalName(
         @RpcParameter(name = "name", description = "New local name")
         String name) {
         return mBluetoothAdapter.setName(name);
     }

     @Rpc(description = "Returns the hardware address of the local Bluetooth adapter. ")
     public String bluetoothGetLocalAddress() {
         return mBluetoothAdapter.getAddress();
     }

     @Rpc(description = "Returns the UUIDs supported by local Bluetooth adapter.")
     public ParcelUuid[] bluetoothGetLocalUuids() {
         return mBluetoothAdapter.getUuids();
     }

     @Rpc(description = "Gets the scan mode for the local dongle.\r\n" + "Return values:\r\n"
             + "\t-1 when Bluetooth is disabled.\r\n"
             + "\t0 if non discoverable and non connectable.\r\n"
             + "\r1 connectable non discoverable." + "\r3 connectable and discoverable.")
     public int bluetoothGetScanMode() {
         if (mBluetoothAdapter.getState() == BluetoothAdapter.STATE_OFF
                 || mBluetoothAdapter.getState() == BluetoothAdapter.STATE_TURNING_OFF) {
             return -1;
         }
         switch (mBluetoothAdapter.getScanMode()) {
             case BluetoothAdapter.SCAN_MODE_NONE:
                 return 0;
             case BluetoothAdapter.SCAN_MODE_CONNECTABLE:
                 return 1;
             case BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE:
                 return 3;
             default:
                 return mBluetoothAdapter.getScanMode() - 20;
         }
     }

     @Rpc(description = "Return the set of BluetoothDevice that are paired to the local adapter.")
     public Set<BluetoothDevice> bluetoothGetBondedDevices() {
         return mBluetoothAdapter.getBondedDevices();
     }

     @Rpc(description = "Checks Bluetooth state.", returns = "True if Bluetooth is enabled.")
     public Boolean bluetoothCheckState() {
         return mBluetoothAdapter.isEnabled();
     }

     @Rpc(description = "Toggle Bluetooth on and off.", returns = "True if Bluetooth is enabled.")
     public Boolean bluetoothToggleState(@RpcParameter(name = "enabled")
     @RpcOptional
     Boolean enabled,
             @RpcParameter(name = "prompt",
                           description = "Prompt the user to confirm changing the Bluetooth state.")
             @RpcDefault("false")
             Boolean prompt) {
         mService.registerReceiver(mStateReceiver,
                                   new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
         if (enabled == null) {
             enabled = !bluetoothCheckState();
         }
         if (enabled) {
             // TODO(damonkohler): Make this synchronous as well.
             mBluetoothAdapter.enable();
         } else {
             // TODO(damonkohler): Add support for prompting on disable.
             // TODO(damonkohler): Make this synchronous as well.
             shutdown();
             mBluetoothAdapter.disable();
         }
         return enabled;
     }


     @Rpc(description = "Start the remote device discovery process. ",
          returns = "true on success, false on error")
     public Boolean bluetoothStartDiscovery() {
         DiscoveredDevices.clear();
         mService.registerReceiver(mDiscoveryReceiver, discoveryFilter);
         return mBluetoothAdapter.startDiscovery();
     }

     @Rpc(description = "Cancel the current device discovery process.",
          returns = "true on success, false on error")
     public Boolean bluetoothCancelDiscovery() {
         //TODO (tturney): Figure out why bluetoothStartDiscovery sometimes
         //doesn't register the reiever.
         try {
             mService.unregisterReceiver(mDiscoveryReceiver);
         } catch (IllegalArgumentException e) {
             Log.d("IllegalArgumentExeption found when trying to unregister reciever");
         }
         return mBluetoothAdapter.cancelDiscovery();
     }

     @Rpc(description = "If the local Bluetooth adapter is currently"
                      + "in the device discovery process.")
     public Boolean bluetoothIsDiscovering() {
         return mBluetoothAdapter.isDiscovering();
     }

     @Rpc(description = "Get all the discovered bluetooth devices.")
     public Collection<BluetoothDevice> bluetoothGetDiscoveredDevices() {
         while (bluetoothIsDiscovering())
             ;
         return DiscoveredDevices.values();
     }

     @Rpc(description = "Enable or disable the Bluetooth HCI snoop log")
     public boolean bluetoothConfigHciSnoopLog(
             @RpcParameter(name = "value", description = "enable or disable log")
             Boolean value
             ) {
         return mBluetoothAdapter.configHciSnoopLog(value);
     }

     @Rpc(description = "Get Bluetooth controller activity energy info.")
     public String bluetoothGetControllerActivityEnergyInfo(
         @RpcParameter(name = "value")
         Integer value
             ) {
         BluetoothActivityEnergyInfo energyInfo = mBluetoothAdapter
             .getControllerActivityEnergyInfo(value);
         //TODO (tturney): Fix when method dosn't return null... cosmic issue.
         while (energyInfo == null) {
           energyInfo = mBluetoothAdapter.getControllerActivityEnergyInfo(value);
         }
         return energyInfo.toString();
     }

     @Rpc(description = "Return true if hardware has entries" +
             "available for matching beacons.")
     public boolean bluetoothIsHardwareTrackingFiltersAvailable() {
         return mBluetoothAdapter.isHardwareTrackingFiltersAvailable();
     }

     @Rpc(description = "Gets the current state of LE.")
     public int bluetoothGetLeState() {
         return mBluetoothAdapter.getLeState();
     }

     @Rpc(description = "Enables BLE functionalities.")
     public boolean bluetoothEnableBLE() {
         mService.registerReceiver(mBleStateReceiver,
             new IntentFilter(BluetoothAdapter.ACTION_BLE_STATE_CHANGED));
         return mBluetoothAdapter.enableBLE();
     }

     @Rpc(description = "Disables BLE functionalities.")
     public boolean bluetoothDisableBLE() {
         mService.registerReceiver(mBleStateReceiver,
             new IntentFilter(BluetoothAdapter.ACTION_BLE_STATE_CHANGED));
         return mBluetoothAdapter.disableBLE();
     }

     @Override
     public void shutdown() {
         for (Map.Entry<String, BluetoothConnection> entry : connections.entrySet()) {
             entry.getValue().stop();
         }
         connections.clear();
     }
 }
	/*
	* Copyright (C) 2016 Google Inc.
	*
	* 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 com.googlecode.android_scripting.facade.bluetooth;

	import android.app.Service;
	import android.bluetooth.BluetoothActivityEnergyInfo;
	import android.bluetooth.BluetoothAdapter;
	import android.bluetooth.BluetoothDevice;
	import android.content.BroadcastReceiver;
	import android.content.Context;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.os.Bundle;
	import android.os.ParcelUuid;

	import com.googlecode.android_scripting.Log;
	import com.googlecode.android_scripting.MainThread;
	import com.googlecode.android_scripting.facade.EventFacade;
	import com.googlecode.android_scripting.facade.FacadeManager;
	import com.googlecode.android_scripting.jsonrpc.RpcReceiver;
	import com.googlecode.android_scripting.rpc.Rpc;
	import com.googlecode.android_scripting.rpc.RpcDefault;
	import com.googlecode.android_scripting.rpc.RpcMinSdk;
	import com.googlecode.android_scripting.rpc.RpcOptional;
	import com.googlecode.android_scripting.rpc.RpcParameter;

	import java.util.Collection;
	import java.util.HashMap;
	import java.util.Map;
	import java.util.Set;
	import java.util.concurrent.Callable;
	import java.util.concurrent.ConcurrentHashMap;

	/**
	* Basic Bluetooth functions.
	*/
	@RpcMinSdk(5)
	public class BluetoothFacade extends RpcReceiver {
	private final Service mService;
	private final BroadcastReceiver mDiscoveryReceiver;
	private final IntentFilter discoveryFilter;
	private final EventFacade mEventFacade;
	private final BluetoothStateReceiver mStateReceiver;
	private final BleStateReceiver mBleStateReceiver;
	private Map<String, BluetoothConnection> connections =
	new HashMap<String, BluetoothConnection>();
	private BluetoothAdapter mBluetoothAdapter;

	public static ConcurrentHashMap<String, BluetoothDevice> DiscoveredDevices;

	public BluetoothFacade(FacadeManager manager) {
	super(manager);
	mBluetoothAdapter = MainThread.run(manager.getService(), new Callable<BluetoothAdapter>() {
	@Override
	public BluetoothAdapter call() throws Exception {
	return BluetoothAdapter.getDefaultAdapter();
	}
	});
	mEventFacade = manager.getReceiver(EventFacade.class);
	mService = manager.getService();

	DiscoveredDevices = new ConcurrentHashMap<String, BluetoothDevice>();
	discoveryFilter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
	discoveryFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
	mDiscoveryReceiver = new DiscoveryCacheReceiver();
	mStateReceiver = new BluetoothStateReceiver();
	mBleStateReceiver = new BleStateReceiver();
	}

	class DiscoveryCacheReceiver extends BroadcastReceiver {
	@Override
	public void onReceive(Context context, Intent intent) {
	String action = intent.getAction();
	if (action.equals(BluetoothDevice.ACTION_FOUND)) {
	BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
	Log.d("Found device " + device.getAliasName());
	if (!DiscoveredDevices.containsKey(device.getAddress())) {
	String name = device.getAliasName();
	if (name != null) {
	DiscoveredDevices.put(device.getAliasName(), device);
	}
	DiscoveredDevices.put(device.getAddress(), device);
	}
	} else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)) {
	mEventFacade.postEvent("BluetoothDiscoveryFinished", new Bundle());
	mService.unregisterReceiver(mDiscoveryReceiver);
	}
	}
	}

	class BluetoothStateReceiver extends BroadcastReceiver {

	@Override
	public void onReceive(Context context, Intent intent) {
	String action = intent.getAction();
	// TODO: Keep track of the separate states be a separate method.
	if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
	final int state = mBluetoothAdapter.getState();
	Bundle msg = new Bundle();
	if (state == BluetoothAdapter.STATE_ON) {
	msg.putString("State", "ON");
	mEventFacade.postEvent("BluetoothStateChangedOn", msg);
	mService.unregisterReceiver(mStateReceiver);
	} else if(state == BluetoothAdapter.STATE_OFF) {
	msg.putString("State", "OFF");
	mEventFacade.postEvent("BluetoothStateChangedOff", msg);
	mService.unregisterReceiver(mStateReceiver);
	}
	msg.clear();
	}
	}
	}

	class BleStateReceiver extends BroadcastReceiver {

	@Override
	public void onReceive(Context context, Intent intent) {
	String action = intent.getAction();
	if (action.equals(BluetoothAdapter.ACTION_BLE_STATE_CHANGED)) {
	int state = mBluetoothAdapter.getLeState();
	if (state == BluetoothAdapter.STATE_BLE_ON) {
	mEventFacade.postEvent("BleStateChangedOn", new Bundle());
	mService.unregisterReceiver(mBleStateReceiver);
	} else if (state == BluetoothAdapter.STATE_OFF) {
	mEventFacade.postEvent("BleStateChangedOff", new Bundle());
	mService.unregisterReceiver(mBleStateReceiver);
	}
	}
	}
	}


	public static boolean deviceMatch(BluetoothDevice device, String deviceID) {
	return deviceID.equals(device.getAliasName()) \|\| deviceID.equals(device.getAddress());
	}

	public static <T> BluetoothDevice getDevice(ConcurrentHashMap<String, T> devices, String device)
	throws Exception {
	if (devices.containsKey(device)) {
	return (BluetoothDevice) devices.get(device);
	} else {
	throw new Exception("Can't find device " + device);
	}
	}

	public static BluetoothDevice getDevice(Collection<BluetoothDevice> devices, String deviceID)
	throws Exception {
	Log.d("Looking for " + deviceID);
	for (BluetoothDevice bd : devices) {
	Log.d(bd.getAliasName() + " " + bd.getAddress());
	if (deviceMatch(bd, deviceID)) {
	Log.d("Found match " + bd.getAliasName() + " " + bd.getAddress());
	return bd;
	}
	}
	throw new Exception("Can't find device " + deviceID);
	}

	public static boolean deviceExists(Collection<BluetoothDevice> devices, String deviceID) {
	for (BluetoothDevice bd : devices) {
	if (deviceMatch(bd, deviceID)) {
	Log.d("Found match " + bd.getAliasName() + " " + bd.getAddress());
	return true;
	}
	}
	return false;
	}

	@Rpc(description = "Requests that the device be made connectable.")
	public void bluetoothMakeConnectable() {
	mBluetoothAdapter
	.setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE);
	}

	@Rpc(description = "Requests that the device be discoverable for Bluetooth connections.")
	public void bluetoothMakeDiscoverable(
	@RpcParameter(name = "duration",
	description = "period of time, in seconds,"
	+ "during which the device should be discoverable")
	@RpcDefault("300")
	Integer duration) {
	Log.d("Making discoverable for " + duration + " seconds.\n");
	mBluetoothAdapter
	.setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE, duration);
	}

	@Rpc(description = "Requests that the device be not discoverable.")
	public void bluetoothMakeUndiscoverable() {
	Log.d("Making undiscoverable\n");
	mBluetoothAdapter.setScanMode(BluetoothAdapter.SCAN_MODE_NONE);
	}

	@Rpc(description = "Queries a remote device for it's name or null if it can't be resolved")
	public String bluetoothGetRemoteDeviceName(
	@RpcParameter(name = "address", description = "Bluetooth Address For Target Device")
	String address) {
	try {
	BluetoothDevice mDevice;
	mDevice = mBluetoothAdapter.getRemoteDevice(address);
	return mDevice.getName();
	} catch (Exception e) {
	return null;
	}
	}

	@Rpc(description = "Get local Bluetooth device name")
	public String bluetoothGetLocalName() {
	return mBluetoothAdapter.getName();
	}

	@Rpc(description = "Sets the Bluetooth visible device name", returns = "true on success")
	public boolean bluetoothSetLocalName(
	@RpcParameter(name = "name", description = "New local name")
	String name) {
	return mBluetoothAdapter.setName(name);
	}

	@Rpc(description = "Returns the hardware address of the local Bluetooth adapter. ")
	public String bluetoothGetLocalAddress() {
	return mBluetoothAdapter.getAddress();
	}

	@Rpc(description = "Returns the UUIDs supported by local Bluetooth adapter.")
	public ParcelUuid[] bluetoothGetLocalUuids() {
	return mBluetoothAdapter.getUuids();
	}

	@Rpc(description = "Gets the scan mode for the local dongle.\r\n" + "Return values:\r\n"
	+ "\t-1 when Bluetooth is disabled.\r\n"
	+ "\t0 if non discoverable and non connectable.\r\n"
	+ "\r1 connectable non discoverable." + "\r3 connectable and discoverable.")
	public int bluetoothGetScanMode() {
	if (mBluetoothAdapter.getState() == BluetoothAdapter.STATE_OFF
	\|\| mBluetoothAdapter.getState() == BluetoothAdapter.STATE_TURNING_OFF) {
	return -1;
	}
	switch (mBluetoothAdapter.getScanMode()) {
	case BluetoothAdapter.SCAN_MODE_NONE:
	return 0;
	case BluetoothAdapter.SCAN_MODE_CONNECTABLE:
	return 1;
	case BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE:
	return 3;
	default:
	return mBluetoothAdapter.getScanMode() - 20;
	}
	}

	@Rpc(description = "Return the set of BluetoothDevice that are paired to the local adapter.")
	public Set<BluetoothDevice> bluetoothGetBondedDevices() {
	return mBluetoothAdapter.getBondedDevices();
	}

	@Rpc(description = "Checks Bluetooth state.", returns = "True if Bluetooth is enabled.")
	public Boolean bluetoothCheckState() {
	return mBluetoothAdapter.isEnabled();
	}

	@Rpc(description = "Toggle Bluetooth on and off.", returns = "True if Bluetooth is enabled.")
	public Boolean bluetoothToggleState(@RpcParameter(name = "enabled")
	@RpcOptional
	Boolean enabled,
	@RpcParameter(name = "prompt",
	description = "Prompt the user to confirm changing the Bluetooth state.")
	@RpcDefault("false")
	Boolean prompt) {
	mService.registerReceiver(mStateReceiver,
	new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
	if (enabled == null) {
	enabled = !bluetoothCheckState();
	}
	if (enabled) {
	// TODO(damonkohler): Make this synchronous as well.
	mBluetoothAdapter.enable();
	} else {
	// TODO(damonkohler): Add support for prompting on disable.
	// TODO(damonkohler): Make this synchronous as well.
	shutdown();
	mBluetoothAdapter.disable();
	}
	return enabled;
	}


	@Rpc(description = "Start the remote device discovery process. ",
	returns = "true on success, false on error")
	public Boolean bluetoothStartDiscovery() {
	DiscoveredDevices.clear();
	mService.registerReceiver(mDiscoveryReceiver, discoveryFilter);
	return mBluetoothAdapter.startDiscovery();
	}

	@Rpc(description = "Cancel the current device discovery process.",
	returns = "true on success, false on error")
	public Boolean bluetoothCancelDiscovery() {
	//TODO (tturney): Figure out why bluetoothStartDiscovery sometimes
	//doesn't register the reiever.
	try {
	mService.unregisterReceiver(mDiscoveryReceiver);
	} catch (IllegalArgumentException e) {
	Log.d("IllegalArgumentExeption found when trying to unregister reciever");
	}
	return mBluetoothAdapter.cancelDiscovery();
	}

	@Rpc(description = "If the local Bluetooth adapter is currently"
	+ "in the device discovery process.")
	public Boolean bluetoothIsDiscovering() {
	return mBluetoothAdapter.isDiscovering();
	}

	@Rpc(description = "Get all the discovered bluetooth devices.")
	public Collection<BluetoothDevice> bluetoothGetDiscoveredDevices() {
	while (bluetoothIsDiscovering())
	;
	return DiscoveredDevices.values();
	}

	@Rpc(description = "Enable or disable the Bluetooth HCI snoop log")
	public boolean bluetoothConfigHciSnoopLog(
	@RpcParameter(name = "value", description = "enable or disable log")
	Boolean value
	) {
	return mBluetoothAdapter.configHciSnoopLog(value);
	}

	@Rpc(description = "Get Bluetooth controller activity energy info.")
	public String bluetoothGetControllerActivityEnergyInfo(
	@RpcParameter(name = "value")
	Integer value
	) {
	BluetoothActivityEnergyInfo energyInfo = mBluetoothAdapter
	.getControllerActivityEnergyInfo(value);
	//TODO (tturney): Fix when method dosn't return null... cosmic issue.
	while (energyInfo == null) {
	energyInfo = mBluetoothAdapter.getControllerActivityEnergyInfo(value);
	}
	return energyInfo.toString();
	}

	@Rpc(description = "Return true if hardware has entries" +
	"available for matching beacons.")
	public boolean bluetoothIsHardwareTrackingFiltersAvailable() {
	return mBluetoothAdapter.isHardwareTrackingFiltersAvailable();
	}

	@Rpc(description = "Gets the current state of LE.")
	public int bluetoothGetLeState() {
	return mBluetoothAdapter.getLeState();
	}

	@Rpc(description = "Enables BLE functionalities.")
	public boolean bluetoothEnableBLE() {
	mService.registerReceiver(mBleStateReceiver,
	new IntentFilter(BluetoothAdapter.ACTION_BLE_STATE_CHANGED));
	return mBluetoothAdapter.enableBLE();
	}

	@Rpc(description = "Disables BLE functionalities.")
	public boolean bluetoothDisableBLE() {
	mService.registerReceiver(mBleStateReceiver,
	new IntentFilter(BluetoothAdapter.ACTION_BLE_STATE_CHANGED));
	return mBluetoothAdapter.disableBLE();
	}

	@Override
	public void shutdown() {
	for (Map.Entry<String, BluetoothConnection> entry : connections.entrySet()) {
	entry.getValue().stop();
	}
	connections.clear();
	}
	}