Java BluetoothGatt.STATE_DISCONNECTED屬性代碼示例

@Override
public void disconnect() {
    NeatleLogger.i("Disconnecting");
    stopDiscovery();
    BluetoothGatt target;
    int oldState;

    synchronized (lock) {
        target = gatt;
        gatt = null;
        this.serviceDiscovered = false;
        oldState = state;
        state = BluetoothGatt.STATE_DISCONNECTED;
    }
    if (target != null) {
        target.disconnect();
    }
    notifyConnectionStateChange(oldState, BluetoothGatt.STATE_DISCONNECTED);
}
 

private void connectWithGatt() {
    int oldState;
    int newState = BluetoothGatt.STATE_CONNECTING;
    synchronized (lock) {
        oldState = state;
        state = BluetoothGatt.STATE_CONNECTING;
    }

    NeatleLogger.d("Connecting with " + device.getName() + "[" + device.getAddress() + "]");
    BluetoothGatt gatt = device.connectGatt(context, false, callback);

    synchronized (lock) {
        this.gatt = gatt;
        if (gatt == null) {
            state = BluetoothGatt.STATE_DISCONNECTED;
            newState = BluetoothGatt.STATE_DISCONNECTED;
        }
    }

    notifyConnectionStateChange(oldState, newState);
}
 

/**
 * 連接狀態改變回調
 * 係統自帶API
 * @param gatt
 * @param status
 * @param newState
 */
@Override
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
    if (BleLog.isPrint) {
        BleLog.i(TAG, "onConnectionStateChange  status: " + status
                + " ,newState: " + newState + "  ,thread: " + Thread.currentThread().getId());
    }
    if (newState == BluetoothGatt.STATE_CONNECTED) {
        connectionState = STATE_CONNECTED;
        // 連接成功
        onConnectSuccess(gatt, status);
    } else if (newState == BluetoothGatt.STATE_DISCONNECTED) {
        connectionState = STATE_DISCONNECTED;
        // 連接失敗
        onConnectFailure(new ConnectException(gatt, status));
    } else if (newState == BluetoothGatt.STATE_CONNECTING) {
        connectionState = STATE_CONNECTING;
    }

    // 遍曆回調回所有傳進了的回調, 給子類處理
    for (BluetoothGattCallback call : callbackList) {
        call.onConnectionStateChange(gatt, status, newState);
    }
}
 

/**
 * Connection State callback. This is called any time a device connects/disconnects, etc. We
 * only handle a single device at a time, and ignore any other connection requests. When a
 * connection is established, we immediately send the APDUInterface (i.e., this object) to the
 * waiting Activity.
 */
@Override
public synchronized void onConnectionStateChange(BluetoothDevice device, int status, int newState) {
    Log.v(TAG, "onConnectionStateChange: " + deviceString(device) + ", " + status + ", " + newState);
    if (status == BluetoothGatt.GATT_SUCCESS && newState == BluetoothGatt.STATE_CONNECTED) {
        /* new device */
        if (currentDevice == null) {
            currentDevice = device;
            Log.v(TAG, "Connected to device: " + deviceString(device));

            activity.runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    activity.loadLicense(GattService.this);
                }
            } );

        } else {
            Log.v(TAG, "Already connected to: " + deviceString(currentDevice) + ", ignoring new device " + deviceString(device));
        }
    } else if (status != BluetoothGatt.GATT_SUCCESS || newState == BluetoothGatt.STATE_DISCONNECTED){
        if (!currentDevice.equals(device)) {
            Log.v(TAG, "Ignoring state change of device " + deviceString(device));
        } else {
            Log.v(TAG, "Disconnecting from " + deviceString(device));
            currentDevice = null;
            notifyAll();
        }
    }
}
 

private void connectionFailed(int status) {
    BluetoothGattCallback current;
    int oldState;
    int newState;
    LinkedList<BluetoothGattCallback> queueCopy;


    synchronized (lock) {
        oldState = state;
        state = BluetoothGatt.STATE_DISCONNECTED;
        newState = state;
        serviceDiscovered = false;
        current = currentCallback;
        queueCopy = new LinkedList<>(queue);
    }

    NeatleLogger.i("Connection attempt failed. Notifying all pending operations");

    current.onConnectionStateChange(this.gatt, status, BluetoothGatt.STATE_DISCONNECTED);

    for (BluetoothGattCallback cb : queueCopy) {
        cb.onConnectionStateChange(gatt, status, BluetoothGatt.STATE_DISCONNECTED);
    }
    synchronized (lock) {
        this.gatt = null;
    }

    notifyConnectionStateChange(oldState, newState);
}
 

@Override
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
  super.onConnectionStateChange(gatt, status, newState);
  if (status == BluetoothGatt.GATT_SUCCESS) {
    switch (newState) {
      case BluetoothGatt.STATE_CONNECTED:
        bleHandler.obtainMessage(MSG_CONNECTED, gatt).sendToTarget();
        break;
      case BluetoothGatt.STATE_DISCONNECTED:
        bleHandler.obtainMessage(MSG_DISCONNECTED, gatt).sendToTarget();
        break;
    }
  }
}
 

@Override
	public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {

		Log.e(LOG_TAG, "onConnectionStateChange from " + status + " to "+ newState + " on peripheral:" + device.getAddress()+" gatt:" + gatt);

		this.gatt = gatt;

		if (newState == BluetoothGatt.STATE_CONNECTED) {
			connected = true;
            trytime=0;
//            try {
//                Thread.sleep(500);
//            }catch (Exception e){}
			gatt.discoverServices();

			sendConnectionEvent(device, "BleManagerConnectPeripheral");

		} else if (newState == BluetoothGatt.STATE_DISCONNECTED){

			Log.e(LOG_TAG,"connect="+connected+" gatt="+gatt);
			if (connected) {
				connected = false;
			}
			if (this.gatt != null) {
				this.gatt.close();
				this.gatt = null;
			}


			if(status == 133)
			{
				if (this.gatt != null) {
					this.gatt.close();
					this.gatt = null;
				}
                trytime++;
                Log.e(LOG_TAG, "trytime="+trytime);
                if(trytime < 2)
                {
                    connect(connectCallback,mActivity);
				    return;
                }
			}
            trytime=0;

			sendConnectionEvent(device, "BleManagerDisconnectPeripheral");

			if (connectCallback != null) {
				connectCallback.invoke("Connection error");
				connectCallback = null;
			}

		}

	}
 

@Override
        public void onConnectionStateChange(final BluetoothGatt gatt, final int status, final int newState) {
            // Check whether an error occurred
            logi("onConnectionStateChange() :: Start");
            if (status == BluetoothGatt.GATT_SUCCESS) {
                if (newState == BluetoothGatt.STATE_CONNECTED) {
                    logi("onConnectionStateChange() :: Connected to GATT server");
                    mConnectionState = STATE_CONNECTED;

					/*
                     *  The onConnectionStateChange callback is called just after establishing connection and before sending Encryption Request BLE event in case of a paired device.
					 *  In that case and when the Service Changed CCCD is enabled we will get the indication after initializing the encryption, about 1600 milliseconds later. 
					 *  If we discover services right after connecting, the onServicesDiscovered callback will be called immediately, before receiving the indication and the following 
					 *  service discovery and we may end up with old, application's services instead.
					 *  
					 *  This is to support the buttonless switch from application to bootloader mode where the DFU bootloader notifies the master about service change.
					 *  Tested on Nexus 4 (Android 4.4.4 and 5), Nexus 5 (Android 5), Samsung Note 2 (Android 4.4.2). The time after connection to end of service discovery is about 1.6s 
					 *  on Samsung Note 2.
					 *  
					 *  NOTE: We are doing this to avoid the hack with calling the hidden gatt.refresh() method, at least for bonded devices.
					 */
                    if (gatt.getDevice().getBondState() == BluetoothDevice.BOND_BONDED) {
                        try {
                            synchronized (this) {
                                logd("onConnectionStateChange() :: Waiting 1600 ms for a possible Service Changed indication...");
                                wait(1600);

                                // After 1.6s the services are already discovered so the following gatt.discoverServices() finishes almost immediately.

                                // NOTE: This also works with shorted waiting time. The gatt.discoverServices() must be called after the indication is received which is
                                // about 600ms after establishing connection. Values 600 - 1600ms should be OK.
                            }
                        } catch (InterruptedException e) {
                            Log.e(TAG, e.toString());
                            // Do nothing
                        }
                    }

                    // Attempts to discover services after successful connection.
                    final boolean success = gatt.discoverServices();
                    logi("onConnectionStateChange() :: Attempting to start service discovery... " + (success ? "succeed" : "failed"));

                    if (!success) {
                        mError = ERROR_SERVICE_DISCOVERY_NOT_STARTED;
                    } else {
                        // Just return here, lock will be notified when service discovery finishes
                        return;
                    }
                } else if (newState == BluetoothGatt.STATE_DISCONNECTED) {
                    logi("onConnectionStateChange() :: Disconnected from GATT server");
                    mPaused = false;
                    mConnectionState = STATE_DISCONNECTED;
                }
            } else {
                loge("Connection state change error: " + status + " newState: " + newState);
/*				if (newState == BluetoothGatt.STATE_DISCONNECTED) {
                    mConnectionState = STATE_DISCONNECTED;
                    if (mServicePhase == PAIRING_REQUEST ){
                        mServicePhase = PAIRING_FAILED ;
                        updateProgressNotification(status);
                    }
                }*/
                mPaused = false;
                mError = ERROR_CONNECTION_STATE_MASK | status;
            }

            // Notify waiting thread
            synchronized (mLock) {
                mLock.notifyAll();
            }
        }