01.Client 知识点

BLE 回调函数 BluetoothGattCallback

01.onCharacteristicChanged

(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic)

Callback triggered as a result of a remote characteristic notification.

02 .onCharacteristicRead

(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status)

*Callback reporting the result of a characteristic read operation.

03 onCharacteristicWrite

(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status)

*Callback indicating the result of a characteristic write operation.

04 onConnectionStateChange

(BluetoothGatt gatt, int status, int newState)

• Callback indicating when GATT client has connected/disconnected to/from a remote GATT server.

05 onDescriptorRead

(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status)

*Callback reporting the result of a descriptor read operation

06 onDescriptorWrite

(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status)

*Callback indicating the result of a descriptor write operation.

07 onServicesDiscovered

(BluetoothGatt gatt, int status)

• Callback invoked when the list of remote services, characteristics and descriptors for the remote device have been updated, ie new services have been discovered.