script-astra/Android/Sdk/sources/android-35/android/bluetooth/BluetoothHidHost.java
localadmin 4380f00a78 init
2025-01-20 18:15:20 +03:00

836 lines
31 KiB
Java

/*
* 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);
}
}