/*
* Copyright (C) 2017 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.bluetooth.BluetoothDevice;
/**
* This abstract class is used to implement {@link BluetoothGattServer} callbacks.
*/
public abstract class BluetoothGattServerCallback {
/**
* Callback indicating when a remote device has been connected or disconnected.
*
* @param device Remote device that has been connected or disconnected.
* @param status Status of the connect or disconnect operation.
* @param newState Returns the new connection state. Can be one of
* {@link BluetoothProfile#STATE_DISCONNECTED} or
* {@link BluetoothProfile#STATE_CONNECTED}
*/
public void onConnectionStateChange(BluetoothDevice device, int status,
int newState) {
}
/**
* Indicates whether a local service has been added successfully.
*
* @param status Returns {@link BluetoothGatt#GATT_SUCCESS} if the service
* was added successfully.
* @param service The service that has been added
*/
public void onServiceAdded(int status, BluetoothGattService service) {
}
/**
* A remote client has requested to read a local characteristic.
*
* <p>An application must call {@link BluetoothGattServer#sendResponse}
* to complete the request.
*
* @param device The remote device that has requested the read operation
* @param requestId The Id of the request
* @param offset Offset into the value of the characteristic
* @param characteristic Characteristic to be read
*/
public void onCharacteristicReadRequest(BluetoothDevice device, int requestId,
int offset, BluetoothGattCharacteristic characteristic) {
}
/**
* A remote client has requested to write to a local characteristic.
*
* <p>An application must call {@link BluetoothGattServer#sendResponse}
* to complete the request.
*
* @param device The remote device that has requested the write operation
* @param requestId The Id of the request
* @param characteristic Characteristic to be written to.
* @param preparedWrite true, if this write operation should be queued for
* later execution.
* @param responseNeeded true, if the remote device requires a response
* @param offset The offset given for the value
* @param value The value the client wants to assign to the characteristic
*/
public void onCharacteristicWriteRequest(BluetoothDevice device, int requestId,
BluetoothGattCharacteristic characteristic,
boolean preparedWrite, boolean responseNeeded,
int offset, byte[] value) {
}
/**
* A remote client has requested to read a local descriptor.
*
* <p>An application must call {@link BluetoothGattServer#sendResponse}
* to complete the request.
*
* @param device The remote device that has requested the read operation
* @param requestId The Id of the request
* @param offset Offset into the value of the characteristic
* @param descriptor Descriptor to be read
*/
public void onDescriptorReadRequest(BluetoothDevice device, int requestId,
int offset, BluetoothGattDescriptor descriptor) {
}
/**
* A remote client has requested to write to a local descriptor.
*
* <p>An application must call {@link BluetoothGattServer#sendResponse}
* to complete the request.
*
* @param device The remote device that has requested the write operation
* @param requestId The Id of the request
* @param descriptor Descriptor to be written to.
* @param preparedWrite true, if this write operation should be queued for
* later execution.
* @param responseNeeded true, if the remote device requires a response
* @param offset The offset given for the value
* @param value The value the client wants to assign to the descriptor
*/
public void onDescriptorWriteRequest(BluetoothDevice device, int requestId,
BluetoothGattDescriptor descriptor,
boolean preparedWrite, boolean responseNeeded,
int offset, byte[] value) {
}
/**
* Execute all pending write operations for this device.
*
* <p>An application must call {@link BluetoothGattServer#sendResponse}
* to complete the request.
*
* @param device The remote device that has requested the write operations
* @param requestId The Id of the request
* @param execute Whether the pending writes should be executed (true) or
* cancelled (false)
*/
public void onExecuteWrite(BluetoothDevice device, int requestId, boolean execute) {
}
/**
* Callback invoked when a notification or indication has been sent to
* a remote device.
*
* <p>When multiple notifications are to be sent, an application must
* wait for this callback to be received before sending additional
* notifications.
*
* @param device The remote device the notification has been sent to
* @param status {@link BluetoothGatt#GATT_SUCCESS} if the operation was successful
*/
public void onNotificationSent(BluetoothDevice device, int status) {
}
/**
* Callback indicating the MTU for a given device connection has changed.
*
* <p>This callback will be invoked if a remote client has requested to change
* the MTU for a given connection.
*
* @param device The remote device that requested the MTU change
* @param mtu The new MTU size
*/
public void onMtuChanged(BluetoothDevice device, int mtu) {
}
/**
* Callback triggered as result of {@link BluetoothGattServer#setPreferredPhy}, or as a result
* of remote device changing the PHY.
*
* @param device The remote device
* @param txPhy the transmitter PHY in use. One of {@link BluetoothDevice#PHY_LE_1M},
* {@link BluetoothDevice#PHY_LE_2M}, and {@link BluetoothDevice#PHY_LE_CODED}
* @param rxPhy the receiver PHY in use. One of {@link BluetoothDevice#PHY_LE_1M},
* {@link BluetoothDevice#PHY_LE_2M}, and {@link BluetoothDevice#PHY_LE_CODED}
* @param status Status of the PHY update operation.
* {@link BluetoothGatt#GATT_SUCCESS} if the operation succeeds.
*/
public void onPhyUpdate(BluetoothDevice device, int txPhy, int rxPhy, int status) {
}
/**
* Callback triggered as result of {@link BluetoothGattServer#readPhy}
*
* @param device The remote device that requested the PHY read
* @param txPhy the transmitter PHY in use. One of {@link BluetoothDevice#PHY_LE_1M},
* {@link BluetoothDevice#PHY_LE_2M}, and {@link BluetoothDevice#PHY_LE_CODED}
* @param rxPhy the receiver PHY in use. One of {@link BluetoothDevice#PHY_LE_1M},
* {@link BluetoothDevice#PHY_LE_2M}, and {@link BluetoothDevice#PHY_LE_CODED}
* @param status Status of the PHY read operation.
* {@link BluetoothGatt#GATT_SUCCESS} if the operation succeeds.
*/
public void onPhyRead(BluetoothDevice device, int txPhy, int rxPhy, int status) {
}
/**
* Callback indicating the connection parameters were updated.
*
* @param device The remote device involved
* @param interval Connection interval used on this connection, 1.25ms unit. Valid
* range is from 6 (7.5ms) to 3200 (4000ms).
* @param latency Slave latency for the connection in number of connection events. Valid
* range is from 0 to 499
* @param timeout Supervision timeout for this connection, in 10ms unit. Valid range is
* from 10 (0.1s) to 3200 (32s)
* @param status {@link BluetoothGatt#GATT_SUCCESS} if the connection has been updated
* successfully
* @hide
*/
public void onConnectionUpdated(BluetoothDevice gatt, int interval, int latency, int timeout,
int status) {
}
}