| /* |
| * Copyright (C) 2011 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.FlaggedApi; |
| import android.annotation.NonNull; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SdkConstant; |
| import android.annotation.SdkConstant.SdkConstantType; |
| import android.annotation.SuppressLint; |
| import android.annotation.SystemApi; |
| import android.bluetooth.BluetoothDevice.Transport; |
| import android.bluetooth.annotations.RequiresBluetoothConnectPermission; |
| import android.bluetooth.annotations.RequiresLegacyBluetoothAdminPermission; |
| import android.bluetooth.annotations.RequiresLegacyBluetoothPermission; |
| import android.content.AttributionSource; |
| import android.content.Context; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import com.android.bluetooth.flags.Flags; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * This class provides the public APIs to control the Bluetooth Input Device Profile. |
| * |
| * <p>BluetoothHidHost is a proxy object for controlling the Bluetooth Service via IPC. Use {@link |
| * BluetoothAdapter#getProfileProxy} to get the BluetoothHidHost proxy object. |
| * |
| * <p>Each method is protected with its appropriate permission. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public final class BluetoothHidHost implements BluetoothProfile { |
| private static final String TAG = "BluetoothHidHost"; |
| private static final boolean DBG = true; |
| private static final boolean VDBG = false; |
| |
| /** |
| * Intent used to broadcast the change in connection state of the Input Device profile. |
| * |
| * <p>This intent will have 3 extras: |
| * |
| * <ul> |
| * <li>{@link #EXTRA_STATE} - The current state of the profile. |
| * <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. |
| * <li>{@link BluetoothDevice#EXTRA_TRANSPORT} - Transport of the connection. |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. |
| * </ul> |
| * |
| * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of {@link |
| * #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, {@link #STATE_CONNECTED}, {@link |
| * #STATE_DISCONNECTING}. |
| * |
| * <p>{@link BluetoothDevice#EXTRA_TRANSPORT} can be any of {@link |
| * BluetoothDevice#TRANSPORT_BREDR}, {@link BluetoothDevice#TRANSPORT_LE}. |
| */ |
| @SuppressLint("ActionValue") |
| @RequiresLegacyBluetoothPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_CONNECTION_STATE_CHANGED = |
| "android.bluetooth.input.profile.action.CONNECTION_STATE_CHANGED"; |
| |
| /** @hide */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_PROTOCOL_MODE_CHANGED = |
| "android.bluetooth.input.profile.action.PROTOCOL_MODE_CHANGED"; |
| |
| /** @hide */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_HANDSHAKE = |
| "android.bluetooth.input.profile.action.HANDSHAKE"; |
| |
| /** @hide */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_REPORT = "android.bluetooth.input.profile.action.REPORT"; |
| |
| /** @hide */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_VIRTUAL_UNPLUG_STATUS = |
| "android.bluetooth.input.profile.action.VIRTUAL_UNPLUG_STATUS"; |
| |
| /** @hide */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) |
| public static final String ACTION_IDLE_TIME_CHANGED = |
| "android.bluetooth.input.profile.action.IDLE_TIME_CHANGED"; |
| |
| /** |
| * Return codes for the connect and disconnect Bluez / Dbus calls. |
| * |
| * @hide |
| */ |
| public static final int INPUT_DISCONNECT_FAILED_NOT_CONNECTED = 5000; |
| |
| /** @hide */ |
| public static final int INPUT_CONNECT_FAILED_ALREADY_CONNECTED = 5001; |
| |
| /** @hide */ |
| public static final int INPUT_CONNECT_FAILED_ATTEMPT_FAILED = 5002; |
| |
| /** @hide */ |
| public static final int INPUT_OPERATION_GENERIC_FAILURE = 5003; |
| |
| /** @hide */ |
| public static final int INPUT_OPERATION_SUCCESS = 5004; |
| |
| /** @hide */ |
| public static final int PROTOCOL_REPORT_MODE = 0; |
| |
| /** @hide */ |
| public static final int PROTOCOL_BOOT_MODE = 1; |
| |
| /** @hide */ |
| public static final int PROTOCOL_UNSUPPORTED_MODE = 255; |
| |
| /* int reportType, int reportType, int bufferSize */ |
| /** @hide */ |
| public static final byte REPORT_TYPE_INPUT = 1; |
| |
| /** @hide */ |
| public static final byte REPORT_TYPE_OUTPUT = 2; |
| |
| /** @hide */ |
| public static final byte REPORT_TYPE_FEATURE = 3; |
| |
| /** @hide */ |
| public static final int VIRTUAL_UNPLUG_STATUS_SUCCESS = 0; |
| |
| /** @hide */ |
| public static final int VIRTUAL_UNPLUG_STATUS_FAIL = 1; |
| |
| /** @hide */ |
| public static final String EXTRA_PROTOCOL_MODE = |
| "android.bluetooth.BluetoothHidHost.extra.PROTOCOL_MODE"; |
| |
| /** @hide */ |
| public static final String EXTRA_REPORT_TYPE = |
| "android.bluetooth.BluetoothHidHost.extra.REPORT_TYPE"; |
| |
| /** @hide */ |
| public static final String EXTRA_REPORT_ID = |
| "android.bluetooth.BluetoothHidHost.extra.REPORT_ID"; |
| |
| /** @hide */ |
| public static final String EXTRA_REPORT_BUFFER_SIZE = |
| "android.bluetooth.BluetoothHidHost.extra.REPORT_BUFFER_SIZE"; |
| |
| /** @hide */ |
| public static final String EXTRA_REPORT = "android.bluetooth.BluetoothHidHost.extra.REPORT"; |
| |
| /** @hide */ |
| public static final String EXTRA_STATUS = "android.bluetooth.BluetoothHidHost.extra.STATUS"; |
| |
| /** @hide */ |
| public static final String EXTRA_VIRTUAL_UNPLUG_STATUS = |
| "android.bluetooth.BluetoothHidHost.extra.VIRTUAL_UNPLUG_STATUS"; |
| |
| /** @hide */ |
| public static final String EXTRA_IDLE_TIME = |
| "android.bluetooth.BluetoothHidHost.extra.IDLE_TIME"; |
| |
| private final BluetoothAdapter mAdapter; |
| private final AttributionSource mAttributionSource; |
| |
| private IBluetoothHidHost mService; |
| |
| /** |
| * Create a BluetoothHidHost proxy object for interacting with the local Bluetooth Service which |
| * handles the InputDevice profile |
| */ |
| /* package */ BluetoothHidHost(Context context, BluetoothAdapter adapter) { |
| mAdapter = adapter; |
| mAttributionSource = adapter.getAttributionSource(); |
| mService = null; |
| } |
| |
| /** @hide */ |
| @Override |
| public void onServiceConnected(IBinder service) { |
| mService = IBluetoothHidHost.Stub.asInterface(service); |
| } |
| |
| /** @hide */ |
| @Override |
| public void onServiceDisconnected() { |
| mService = null; |
| } |
| |
| private IBluetoothHidHost getService() { |
| return mService; |
| } |
| |
| /** @hide */ |
| @Override |
| public BluetoothAdapter getAdapter() { |
| return mAdapter; |
| } |
| |
| /** |
| * Initiate connection to a profile of the remote bluetooth device. |
| * |
| * <p>The system supports connection to multiple input devices. |
| * |
| * <p>This API returns false in scenarios like the profile on the device is already connected or |
| * Bluetooth is not turned on. When this API returns true, it is guaranteed that connection |
| * state intent for the profile will be broadcasted with the state. Users can get the connection |
| * state of the profile from this intent. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public boolean connect(BluetoothDevice device) { |
| if (DBG) log("connect(" + device + ")"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.connect(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Initiate disconnection from a profile |
| * |
| * <p>This API will return false in scenarios like the profile on the Bluetooth device is not in |
| * connected state etc. When this API returns, true, it is guaranteed that the connection state |
| * change intent will be broadcasted with the state. Users can get the disconnection state of |
| * the profile from this intent. |
| * |
| * <p>If the disconnection is initiated by a remote device, the state will transition from |
| * {@link #STATE_CONNECTED} to {@link #STATE_DISCONNECTED}. If the disconnect is initiated by |
| * the host (local) device the state will transition from {@link #STATE_CONNECTED} to state |
| * {@link #STATE_DISCONNECTING} to state {@link #STATE_DISCONNECTED}. The transition to {@link |
| * #STATE_DISCONNECTING} can be used to distinguish between the two scenarios. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public boolean disconnect(BluetoothDevice device) { |
| if (DBG) log("disconnect(" + device + ")"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.disconnect(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @hide |
| */ |
| @SystemApi |
| @Override |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT) |
| public @NonNull List<BluetoothDevice> getConnectedDevices() { |
| if (VDBG) log("getConnectedDevices()"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| return Attributable.setAttributionSource( |
| service.getConnectedDevices(mAttributionSource), mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @hide |
| */ |
| @Override |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT) |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { |
| if (VDBG) log("getDevicesMatchingStates()"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled()) { |
| try { |
| return Attributable.setAttributionSource( |
| service.getDevicesMatchingConnectionStates(states, mAttributionSource), |
| mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @hide |
| */ |
| @SystemApi |
| @Override |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT) |
| public int getConnectionState(@NonNull BluetoothDevice device) { |
| if (VDBG) log("getState(" + device + ")"); |
| if (device == null) { |
| throw new IllegalArgumentException("device must not be null"); |
| } |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getConnectionState(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| 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 |
| * @return true if priority is set, false on error |
| * @hide |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public boolean setPriority(BluetoothDevice device, int priority) { |
| if (DBG) log("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 |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public boolean setConnectionPolicy( |
| @NonNull BluetoothDevice device, @ConnectionPolicy int connectionPolicy) { |
| if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); |
| if (device == null) { |
| throw new IllegalArgumentException("device must not be null"); |
| } |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() |
| && isValidDevice(device) |
| && (connectionPolicy == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN |
| || connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) { |
| try { |
| return service.setConnectionPolicy(device, connectionPolicy, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Set preferred transport for the device |
| * |
| * <p>The device should already be paired, services must have been discovered. This API is |
| * effective only if both the HID and HOGP are supported on the remote device. |
| * |
| * @param device paired bluetooth device |
| * @param transport the preferred transport to set for this device |
| * @return true if preferred transport is set, false on error |
| * @throws IllegalArgumentException if the {@code device} invalid. |
| * @hide |
| */ |
| @FlaggedApi(Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP) |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public boolean setPreferredTransport( |
| @NonNull BluetoothDevice device, @Transport int transport) { |
| if (DBG) log("setPreferredTransport(" + device + ", " + transport + ")"); |
| |
| Objects.requireNonNull(device, "device must not be null"); |
| |
| if (transport != BluetoothDevice.TRANSPORT_AUTO |
| && transport != BluetoothDevice.TRANSPORT_BREDR |
| && transport != BluetoothDevice.TRANSPORT_LE) { |
| throw new IllegalArgumentException("Invalid transport value"); |
| } |
| |
| final IBluetoothHidHost service = getService(); |
| |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (!isEnabled()) { |
| Log.w(TAG, "Not ready"); |
| } else if (!isValidDevice(device)) { |
| throw new IllegalArgumentException("Invalid device"); |
| } else { |
| try { |
| return service.setPreferredTransport(device, transport, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| 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 |
| */ |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public int getPriority(BluetoothDevice device) { |
| if (VDBG) log("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 |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) { |
| if (VDBG) log("getConnectionPolicy(" + device + ")"); |
| if (device == null) { |
| throw new IllegalArgumentException("device must not be null"); |
| } |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getConnectionPolicy(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| } |
| |
| /** |
| * Get the preferred transport for the device. |
| * |
| * @param device Bluetooth device |
| * @return preferred transport for the device |
| * @throws IllegalArgumentException if the {@code device} invalid. |
| * @hide |
| */ |
| @FlaggedApi(Flags.FLAG_ALLOW_SWITCHING_HID_AND_HOGP) |
| @SystemApi |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission( |
| allOf = { |
| android.Manifest.permission.BLUETOOTH_CONNECT, |
| android.Manifest.permission.BLUETOOTH_PRIVILEGED, |
| }) |
| public @Transport int getPreferredTransport(@NonNull BluetoothDevice device) { |
| if (VDBG) log("getPreferredTransport(" + device + ")"); |
| |
| Objects.requireNonNull(device, "device must not be null"); |
| |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (!isEnabled()) { |
| Log.w(TAG, "Not ready"); |
| } else if (!isValidDevice(device)) { |
| throw new IllegalArgumentException("Invalid device"); |
| } else { |
| try { |
| return service.getPreferredTransport(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return BluetoothDevice.TRANSPORT_AUTO; |
| } |
| |
| private boolean isEnabled() { |
| return mAdapter.getState() == BluetoothAdapter.STATE_ON; |
| } |
| |
| private static boolean isValidDevice(BluetoothDevice device) { |
| return device != null && BluetoothAdapter.checkBluetoothAddress(device.getAddress()); |
| } |
| |
| /** |
| * Initiate virtual unplug for a HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean virtualUnplug(BluetoothDevice device) { |
| if (DBG) log("virtualUnplug(" + device + ")"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.virtualUnplug(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Get_Protocol_Mode command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean getProtocolMode(BluetoothDevice device) { |
| if (VDBG) log("getProtocolMode(" + device + ")"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getProtocolMode(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Set_Protocol_Mode command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean setProtocolMode(BluetoothDevice device, int protocolMode) { |
| if (DBG) log("setProtocolMode(" + device + ")"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.setProtocolMode(device, protocolMode, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Get_Report command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @param reportType Report type |
| * @param reportId Report ID |
| * @param bufferSize Report receiving buffer size |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean getReport( |
| BluetoothDevice device, byte reportType, byte reportId, int bufferSize) { |
| if (VDBG) { |
| log( |
| "getReport(" |
| + device |
| + "), reportType=" |
| + reportType |
| + " reportId=" |
| + reportId |
| + "bufferSize=" |
| + bufferSize); |
| } |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getReport( |
| device, reportType, reportId, bufferSize, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Set_Report command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @param reportType Report type |
| * @param report Report receiving buffer size |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean setReport(BluetoothDevice device, byte reportType, String report) { |
| if (VDBG) log("setReport(" + device + "), reportType=" + reportType + " report=" + report); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.setReport(device, reportType, report, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Send_Data command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @param report Report to send |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean sendData(BluetoothDevice device, String report) { |
| if (DBG) log("sendData(" + device + "), report=" + report); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.sendData(device, report, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Get_Idle_Time command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean getIdleTime(BluetoothDevice device) { |
| if (DBG) log("getIdletime(" + device + ")"); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.getIdleTime(device, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Send Set_Idle_Time command to the connected HID input device. |
| * |
| * @param device Remote Bluetooth Device |
| * @param idleTime Idle time to be set on HID Device |
| * @return false on immediate error, true otherwise |
| * @hide |
| */ |
| @RequiresLegacyBluetoothAdminPermission |
| @RequiresBluetoothConnectPermission |
| @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) |
| public boolean setIdleTime(BluetoothDevice device, byte idleTime) { |
| if (DBG) log("setIdletime(" + device + "), idleTime=" + idleTime); |
| final IBluetoothHidHost service = getService(); |
| if (service == null) { |
| Log.w(TAG, "Proxy not attached to service"); |
| if (DBG) log(Log.getStackTraceString(new Throwable())); |
| } else if (isEnabled() && isValidDevice(device)) { |
| try { |
| return service.setIdleTime(device, idleTime, mAttributionSource); |
| } catch (RemoteException e) { |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); |
| } |
| } |
| return false; |
| } |
| |
| private static void log(String msg) { |
| Log.d(TAG, msg); |
| } |
| } |
