| /* |
| * Copyright (C) 2016 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; |
| |
| import android.Manifest; |
| import android.annotation.NonNull; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.app.PendingIntent; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.Context; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * This class provides the APIs to control the Bluetooth MAP MCE Profile. |
| * |
| * @hide |
| */ |
| public final class BluetoothMapClient implements BluetoothProfile { |
| |
| private static final String TAG = "BluetoothMapClient"; |
| private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG); |
| private static final boolean VDBG = Log.isLoggable(TAG, Log.VERBOSE); |
| |
| public static final String ACTION_CONNECTION_STATE_CHANGED = |
| "android.bluetooth.mapmce.profile.action.CONNECTION_STATE_CHANGED"; |
| public static final String ACTION_MESSAGE_RECEIVED = |
| "android.bluetooth.mapmce.profile.action.MESSAGE_RECEIVED"; |
| /* Actions to be used for pending intents */ |
| public static final String ACTION_MESSAGE_SENT_SUCCESSFULLY = |
| "android.bluetooth.mapmce.profile.action.MESSAGE_SENT_SUCCESSFULLY"; |
| public static final String ACTION_MESSAGE_DELIVERED_SUCCESSFULLY = |
| "android.bluetooth.mapmce.profile.action.MESSAGE_DELIVERED_SUCCESSFULLY"; |
| |
| /* Extras used in ACTION_MESSAGE_RECEIVED intent. |
| * NOTE: HANDLE is only valid for a single session with the device. */ |
| public static final String EXTRA_MESSAGE_HANDLE = |
| "android.bluetooth.mapmce.profile.extra.MESSAGE_HANDLE"; |
| public static final String EXTRA_MESSAGE_TIMESTAMP = |
| "android.bluetooth.mapmce.profile.extra.MESSAGE_TIMESTAMP"; |
| public static final String EXTRA_MESSAGE_READ_STATUS = |
| "android.bluetooth.mapmce.profile.extra.MESSAGE_READ_STATUS"; |
| public static final String EXTRA_SENDER_CONTACT_URI = |
| "android.bluetooth.mapmce.profile.extra.SENDER_CONTACT_URI"; |
| public static final String EXTRA_SENDER_CONTACT_NAME = |
| "android.bluetooth.mapmce.profile.extra.SENDER_CONTACT_NAME"; |
| |
| /** There was an error trying to obtain the state */ |
| public static final int STATE_ERROR = -1; |
| |
| public static final int RESULT_FAILURE = 0; |
| public static final int RESULT_SUCCESS = 1; |
| /** Connection canceled before completion. */ |
| public static final int RESULT_CANCELED = 2; |
| |
| private static final int UPLOADING_FEATURE_BITMASK = 0x08; |
| |
| private BluetoothAdapter mAdapter; |
| private final BluetoothProfileConnector<IBluetoothMapClient> mProfileConnector = |
| new BluetoothProfileConnector(this, BluetoothProfile.MAP_CLIENT, |
| "BluetoothMapClient", IBluetoothMapClient.class.getName()) { |
| @Override |
| public IBluetoothMapClient getServiceInterface(IBinder service) { |
| return IBluetoothMapClient.Stub.asInterface(Binder.allowBlocking(service)); |
| } |
| }; |
| |
| /** |
| * Create a BluetoothMapClient proxy object. |
| */ |
| /*package*/ BluetoothMapClient(Context context, ServiceListener listener) { |
| if (DBG) Log.d(TAG, "Create BluetoothMapClient proxy object"); |
| mAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mProfileConnector.connect(context, listener); |
| } |
| |
| protected void finalize() throws Throwable { |
| try { |
| close(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| /** |
| * Close the connection to the backing service. |
| * Other public functions of BluetoothMap will return default error |
| * results once close() has been called. Multiple invocations of close() |
| * are ok. |
| */ |
| public void close() { |
| mProfileConnector.disconnect(); |
| } |
| |
| private IBluetoothMapClient getService() { |
| return mProfileConnector.getService(); |
| } |
| |
| /** |
| * Returns true if the specified Bluetooth device is connected. |
| * Returns false if not connected, or if this proxy object is not |
| * currently connected to the Map service. |
| */ |
| public boolean isConnected(BluetoothDevice device) { |
| if (VDBG) Log.d(TAG, "isConnected(" + device + ")"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null) { |
| try { |
| return service.isConnected(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString()); |
| } |
| } else { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable())); |
| } |
| return false; |
| } |
| |
| /** |
| * Initiate connection. Initiation of outgoing connections is not |
| * supported for MAP server. |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean connect(BluetoothDevice device) { |
| if (DBG) Log.d(TAG, "connect(" + device + ")" + "for MAPS MCE"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null) { |
| try { |
| return service.connect(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString()); |
| } |
| } else { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable())); |
| } |
| return false; |
| } |
| |
| /** |
| * Initiate disconnect. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on error, true otherwise |
| * |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean disconnect(BluetoothDevice device) { |
| if (DBG) Log.d(TAG, "disconnect(" + device + ")"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled() && isValidDevice(device)) { |
| try { |
| return service.disconnect(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| } |
| } |
| if (service == null) Log.w(TAG, "Proxy not attached to service"); |
| return false; |
| } |
| |
| /** |
| * Get the list of connected devices. Currently at most one. |
| * |
| * @return list of connected devices |
| */ |
| @Override |
| public List<BluetoothDevice> getConnectedDevices() { |
| if (DBG) Log.d(TAG, "getConnectedDevices()"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled()) { |
| try { |
| return service.getConnectedDevices(); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return new ArrayList<>(); |
| } |
| } |
| if (service == null) Log.w(TAG, "Proxy not attached to service"); |
| return new ArrayList<>(); |
| } |
| |
| /** |
| * Get the list of devices matching specified states. Currently at most one. |
| * |
| * @return list of matching devices |
| */ |
| @Override |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { |
| if (DBG) Log.d(TAG, "getDevicesMatchingStates()"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled()) { |
| try { |
| return service.getDevicesMatchingConnectionStates(states); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return new ArrayList<>(); |
| } |
| } |
| if (service == null) Log.w(TAG, "Proxy not attached to service"); |
| return new ArrayList<>(); |
| } |
| |
| /** |
| * Get connection state of device |
| * |
| * @return device connection state |
| */ |
| @Override |
| public int getConnectionState(BluetoothDevice device) { |
| if (DBG) Log.d(TAG, "getConnectionState(" + device + ")"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getConnectionState(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| } |
| if (service == null) Log.w(TAG, "Proxy not attached to service"); |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| |
| /** |
| * Set priority of the profile |
| * |
| * <p> The device should already be paired. |
| * Priority can be one of {@link #PRIORITY_ON} or {@link #PRIORITY_OFF}, |
| * |
| * @param device Paired bluetooth device |
| * @param priority |
| * @return true if priority is set, false on error |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean setPriority(BluetoothDevice device, int priority) { |
| if (DBG) Log.d(TAG, "setPriority(" + device + ", " + priority + ")"); |
| return setConnectionPolicy(device, BluetoothAdapter.priorityToConnectionPolicy(priority)); |
| } |
| |
| /** |
| * Set connection policy of the profile |
| * |
| * <p> The device should already be paired. |
| * Connection policy can be one of {@link #CONNECTION_POLICY_ALLOWED}, |
| * {@link #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN} |
| * |
| * @param device Paired bluetooth device |
| * @param connectionPolicy is the connection policy to set to for this profile |
| * @return true if connectionPolicy is set, false on error |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public boolean setConnectionPolicy(@NonNull BluetoothDevice device, |
| @ConnectionPolicy int connectionPolicy) { |
| if (DBG) Log.d(TAG, "setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled() && isValidDevice(device)) { |
| if (connectionPolicy != BluetoothProfile.CONNECTION_POLICY_FORBIDDEN |
| && connectionPolicy != BluetoothProfile.CONNECTION_POLICY_ALLOWED) { |
| return false; |
| } |
| try { |
| return service.setConnectionPolicy(device, connectionPolicy); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return false; |
| } |
| } |
| if (service == null) Log.w(TAG, "Proxy not attached to service"); |
| return false; |
| } |
| |
| /** |
| * Get the priority of the profile. |
| * |
| * <p> The priority can be any of: |
| * {@link #PRIORITY_OFF}, {@link #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED} |
| * |
| * @param device Bluetooth device |
| * @return priority of the device |
| * @hide |
| */ |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public int getPriority(BluetoothDevice device) { |
| if (VDBG) Log.d(TAG, "getPriority(" + device + ")"); |
| return BluetoothAdapter.connectionPolicyToPriority(getConnectionPolicy(device)); |
| } |
| |
| /** |
| * Get the connection policy of the profile. |
| * |
| * <p> The connection policy can be any of: |
| * {@link #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN}, |
| * {@link #CONNECTION_POLICY_UNKNOWN} |
| * |
| * @param device Bluetooth device |
| * @return connection policy of the device |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) |
| public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { |
| if (VDBG) Log.d(TAG, "getConnectionPolicy(" + device + ")"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getConnectionPolicy(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| } |
| } |
| if (service == null) Log.w(TAG, "Proxy not attached to service"); |
| return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| } |
| |
| /** |
| * Send a message. |
| * |
| * Send an SMS message to either the contacts primary number or the telephone number specified. |
| * |
| * @param device Bluetooth device |
| * @param contacts Uri[] of the contacts |
| * @param message Message to be sent |
| * @param sentIntent intent issued when message is sent |
| * @param deliveredIntent intent issued when message is delivered |
| * @return true if the message is enqueued, false on error |
| */ |
| @UnsupportedAppUsage |
| public boolean sendMessage(BluetoothDevice device, Uri[] contacts, String message, |
| PendingIntent sentIntent, PendingIntent deliveredIntent) { |
| if (DBG) Log.d(TAG, "sendMessage(" + device + ", " + contacts + ", " + message); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled() && isValidDevice(device)) { |
| try { |
| return service.sendMessage(device, contacts, message, sentIntent, deliveredIntent); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return false; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Get unread messages. Unread messages will be published via {@link #ACTION_MESSAGE_RECEIVED}. |
| * |
| * @param device Bluetooth device |
| * @return true if the message is enqueued, false on error |
| */ |
| public boolean getUnreadMessages(BluetoothDevice device) { |
| if (DBG) Log.d(TAG, "getUnreadMessages(" + device + ")"); |
| final IBluetoothMapClient service = getService(); |
| if (service != null && isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getUnreadMessages(device); |
| } catch (RemoteException e) { |
| Log.e(TAG, Log.getStackTraceString(new Throwable())); |
| return false; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the "Uploading" feature bit value from the SDP record's |
| * MapSupportedFeatures field (see Bluetooth MAP 1.4 spec, page 114). |
| * @param device The Bluetooth device to get this value for. |
| * @return Returns true if the Uploading bit value in SDP record's |
| * MapSupportedFeatures field is set. False is returned otherwise. |
| */ |
| public boolean isUploadingSupported(BluetoothDevice device) { |
| final IBluetoothMapClient service = getService(); |
| try { |
| return (service != null && isEnabled() && isValidDevice(device)) |
| && ((service.getSupportedFeatures(device) & UPLOADING_FEATURE_BITMASK) > 0); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.getMessage()); |
| } |
| return false; |
| } |
| |
| private boolean isEnabled() { |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null && adapter.getState() == BluetoothAdapter.STATE_ON) return true; |
| if (DBG) Log.d(TAG, "Bluetooth is Not enabled"); |
| return false; |
| } |
| |
| private static boolean isValidDevice(BluetoothDevice device) { |
| return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress()); |
| } |
| |
| } |
