// 失败返回false
boolean res = BleManager.getInstance().initializeBle(this);

boolean res = BleManager.getInstance().openBluetooth();

boolean res = BleManager.getInstance().closeBluetooth();

boolean res = BleManager.getInstance().startBleScan();

public void onDiscoverDevice(final String name, final String address);

boolean res = BleManager.getInstance().stopBleScan();

boolean res = BleManager.getInstance().connectBleDevice(address);

public void onBleConnected(final String address);

boolean res = BleManager.getInstance().disconnectBleDevice();

public void onBleDisconnected(final String address);

public void onBleError(final int code);

// 发现服务
boolean res = BleManager.getInstance().discoverServices();
// 获取服务列表
List<BluetoothGattService> bleServices = BleManager.getInstance().getBleServices();
// 获取特征列表
List<BluetoothGattCharacteristic> bleCharacteristics =
                            BleManager.getInstance()
                                    .getBleCharacteristics(service.getUuid().toString());
// 设置服务UUID
BleManager.getInstance.setServiceUuid(uuidStr);
// 设置写特征UUID
BleManager.getInstance.setWriteCharacteristicUuid(uuidStr);
// 设置读特征UUID
BleManager.getInstance.setReadCharacteristicUuid(uuidStr);