UdooBluService.java 文件源码

/**
     * Connects to the GATT server hosted on the Bluetooth LE device.
     *
     * @param address The device address of the destination device.
     * @return Return true if the connection is initiated successfully. The connection result is reported asynchronously through the
     * {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)} callback.
     */
    public void connect(final String address, IBleDeviceListener iBleDeviceListener) {
        UdooBluException udooBluException = checkBluetooth(getApplicationContext());
        if (udooBluException != null) {
            if (iBleDeviceListener != null)
                iBleDeviceListener.onError(udooBluException);
        } else {
            final BluetoothDevice device = mBtAdapter.getRemoteDevice(address);
            int connectionState = mBluetoothManager.getConnectionState(device, BluetoothProfile.GATT);

            BluetoothGatt bluetoothGatt = checkAndGetGattItem(address);
            if (connectionState == BluetoothProfile.STATE_DISCONNECTED) {
//                 Previously connected device. Try to reconnect.
                if (bluetoothGatt != null) {
                    Log.d(TAG, "Re-use GATT connection");
                    if (bluetoothGatt.connect()) {
                    } else {
                        Log.w(TAG, "GATT re-connect failed.");
                    }
                } else if (device == null) {
                    Log.w(TAG, "Device not found.  Unable to connect.");
                } else {
                    Log.d(TAG, "Create a new GATT connection.");
                    bluetoothGatt = device.connectGatt(this, false, bluetoothGattCallbackBuilder());
                    mBluetoothGatts.put(address, bluetoothGatt);
                }
            } else {
                Log.w(TAG, "Attempt to connect in state: " + connectionState);
                bond(address);
                bluetoothGatt = device.connectGatt(this, false, bluetoothGattCallbackBuilder());
                mBluetoothGatts.put(address, bluetoothGatt);
            }
        }
    }