|  | /* | 
|  | * 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.annotation.NonNull; | 
|  |  | 
|  | /** This abstract class is used to implement {@link BluetoothGatt} callbacks. */ | 
|  | public abstract class BluetoothGattCallback { | 
|  |  | 
|  | /** | 
|  | * Callback triggered as result of {@link BluetoothGatt#setPreferredPhy}, or as a result of | 
|  | * remote device changing the PHY. | 
|  | * | 
|  | * @param gatt GATT client | 
|  | * @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(BluetoothGatt gatt, int txPhy, int rxPhy, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback triggered as result of {@link BluetoothGatt#readPhy} | 
|  | * | 
|  | * @param gatt GATT client | 
|  | * @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(BluetoothGatt gatt, int txPhy, int rxPhy, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback indicating when GATT client has connected/disconnected to/from a remote GATT server. | 
|  | * | 
|  | * @param gatt GATT client | 
|  | * @param status Status of the connect or disconnect operation. {@link | 
|  | *     BluetoothGatt#GATT_SUCCESS} if the operation succeeds. | 
|  | * @param newState Returns the new connection state. Can be one of {@link | 
|  | *     BluetoothProfile#STATE_DISCONNECTED} or {@link BluetoothProfile#STATE_CONNECTED} | 
|  | */ | 
|  | public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {} | 
|  |  | 
|  | /** | 
|  | * Callback invoked when the list of remote services, characteristics and descriptors for the | 
|  | * remote device have been updated, ie new services have been discovered. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#discoverServices} | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the remote device has been explored | 
|  | *     successfully. | 
|  | */ | 
|  | public void onServicesDiscovered(BluetoothGatt gatt, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback reporting the result of a characteristic read operation. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link | 
|  | *     BluetoothGatt#readCharacteristic(BluetoothGattCharacteristic)} | 
|  | * @param characteristic Characteristic that was read from the associated remote device. | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the read operation was completed | 
|  | *     successfully. | 
|  | * @deprecated Use {@link BluetoothGattCallback#onCharacteristicRead(BluetoothGatt, | 
|  | *     BluetoothGattCharacteristic, byte[], int)} as it is memory safe | 
|  | */ | 
|  | @Deprecated | 
|  | public void onCharacteristicRead( | 
|  | BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback reporting the result of a characteristic read operation. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link | 
|  | *     BluetoothGatt#readCharacteristic(BluetoothGattCharacteristic)} | 
|  | * @param characteristic Characteristic that was read from the associated remote device. | 
|  | * @param value the value of the characteristic | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the read operation was completed | 
|  | *     successfully. | 
|  | */ | 
|  | public void onCharacteristicRead( | 
|  | @NonNull BluetoothGatt gatt, | 
|  | @NonNull BluetoothGattCharacteristic characteristic, | 
|  | @NonNull byte[] value, | 
|  | int status) { | 
|  | onCharacteristicRead(gatt, characteristic, status); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Callback indicating the result of a characteristic write operation. | 
|  | * | 
|  | * <p>If this callback is invoked while a reliable write transaction is in progress, the value | 
|  | * of the characteristic represents the value reported by the remote device. An application | 
|  | * should compare this value to the desired value to be written. If the values don't match, the | 
|  | * application must abort the reliable write transaction. | 
|  | * | 
|  | * @param gatt GATT client that invoked {@link | 
|  | *     BluetoothGatt#writeCharacteristic(BluetoothGattCharacteristic, byte[], int)} | 
|  | * @param characteristic Characteristic that was written to the associated remote device. | 
|  | * @param status The result of the write operation {@link BluetoothGatt#GATT_SUCCESS} if the | 
|  | *     operation succeeds. | 
|  | */ | 
|  | public void onCharacteristicWrite( | 
|  | BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback triggered as a result of a remote characteristic notification. | 
|  | * | 
|  | * @param gatt GATT client the characteristic is associated with | 
|  | * @param characteristic Characteristic that has been updated as a result of a remote | 
|  | *     notification event. | 
|  | * @deprecated Use {@link BluetoothGattCallback#onCharacteristicChanged(BluetoothGatt, | 
|  | *     BluetoothGattCharacteristic, byte[])} as it is memory safe by providing the | 
|  | *     characteristic value at the time of notification. | 
|  | */ | 
|  | @Deprecated | 
|  | public void onCharacteristicChanged( | 
|  | BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {} | 
|  |  | 
|  | /** | 
|  | * Callback triggered as a result of a remote characteristic notification. Note that the value | 
|  | * within the characteristic object may have changed since receiving the remote characteristic | 
|  | * notification, so check the parameter value for the value at the time of notification. | 
|  | * | 
|  | * @param gatt GATT client the characteristic is associated with | 
|  | * @param characteristic Characteristic that has been updated as a result of a remote | 
|  | *     notification event. | 
|  | * @param value notified characteristic value | 
|  | */ | 
|  | public void onCharacteristicChanged( | 
|  | @NonNull BluetoothGatt gatt, | 
|  | @NonNull BluetoothGattCharacteristic characteristic, | 
|  | @NonNull byte[] value) { | 
|  | onCharacteristicChanged(gatt, characteristic); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Callback reporting the result of a descriptor read operation. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#readDescriptor} | 
|  | * @param descriptor Descriptor that was read from the associated remote device. | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the read operation was completed | 
|  | *     successfully | 
|  | * @deprecated Use {@link BluetoothGattCallback#onDescriptorRead(BluetoothGatt, | 
|  | *     BluetoothGattDescriptor, int, byte[])} as it is memory safe by providing the descriptor | 
|  | *     value at the time it was read. | 
|  | */ | 
|  | @Deprecated | 
|  | public void onDescriptorRead( | 
|  | BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback reporting the result of a descriptor read operation. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#readDescriptor} | 
|  | * @param descriptor Descriptor that was read from the associated remote device. | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the read operation was completed | 
|  | *     successfully | 
|  | * @param value the descriptor value at the time of the read operation | 
|  | */ | 
|  | public void onDescriptorRead( | 
|  | @NonNull BluetoothGatt gatt, | 
|  | @NonNull BluetoothGattDescriptor descriptor, | 
|  | int status, | 
|  | @NonNull byte[] value) { | 
|  | onDescriptorRead(gatt, descriptor, status); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Callback indicating the result of a descriptor write operation. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#writeDescriptor} | 
|  | * @param descriptor Descriptor that was written to the associated remote device. | 
|  | * @param status The result of the write operation {@link BluetoothGatt#GATT_SUCCESS} if the | 
|  | *     operation succeeds. | 
|  | */ | 
|  | public void onDescriptorWrite( | 
|  | BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback invoked when a reliable write transaction has been completed. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#executeReliableWrite} | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the reliable write transaction was | 
|  | *     executed successfully | 
|  | */ | 
|  | public void onReliableWriteCompleted(BluetoothGatt gatt, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback reporting the RSSI for a remote device connection. | 
|  | * | 
|  | * <p>This callback is triggered in response to the {@link BluetoothGatt#readRemoteRssi} | 
|  | * function. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#readRemoteRssi} | 
|  | * @param rssi The RSSI value for the remote device | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the RSSI was read successfully | 
|  | */ | 
|  | public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback indicating the MTU for a given device connection has changed. | 
|  | * | 
|  | * <p>This callback is triggered in response to the {@link BluetoothGatt#requestMtu} function, | 
|  | * or in response to a connection event. | 
|  | * | 
|  | * @param gatt GATT client invoked {@link BluetoothGatt#requestMtu} | 
|  | * @param mtu The new MTU size | 
|  | * @param status {@link BluetoothGatt#GATT_SUCCESS} if the MTU has been changed successfully | 
|  | */ | 
|  | public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback indicating the connection parameters were updated. | 
|  | * | 
|  | * @param gatt GATT client involved | 
|  | * @param interval Connection interval used on this connection, 1.25ms unit. Valid range is from | 
|  | *     6 (7.5ms) to 3200 (4000ms). | 
|  | * @param latency Worker 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( | 
|  | BluetoothGatt gatt, int interval, int latency, int timeout, int status) {} | 
|  |  | 
|  | /** | 
|  | * Callback indicating service changed event is received | 
|  | * | 
|  | * <p>Receiving this event means that the GATT database is out of sync with the remote device. | 
|  | * {@link BluetoothGatt#discoverServices} should be called to re-discover the services. | 
|  | * | 
|  | * @param gatt GATT client involved | 
|  | */ | 
|  | public void onServiceChanged(@NonNull BluetoothGatt gatt) {} | 
|  |  | 
|  | /** | 
|  | * Callback indicating LE connection's subrate parameters have changed. | 
|  | * | 
|  | * @param gatt GATT client involved | 
|  | * @param subrateFactor for the LE connection. | 
|  | * @param latency Worker latency for the connection in number of connection events. Valid range | 
|  | *     is from 0 to 499 | 
|  | * @param contNum 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 LE connection subrating has been changed | 
|  | *     successfully. | 
|  | * @hide | 
|  | */ | 
|  | public void onSubrateChange( | 
|  | BluetoothGatt gatt, | 
|  | int subrateFactor, | 
|  | int latency, | 
|  | int contNum, | 
|  | int timeout, | 
|  | int status) {} | 
|  | } |