compile 'com.r00kie.lwbluetooth:lwbluetooth:1.0.0'

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

// 2 Set the OnDataReceivedListener and OnStateChangedListener to receive Data and Connect State  
mCenter.setOnDataReceivedListener(new BluetoothCenter.OnDataReceivedListener() {  
    @Override  
    public void onDataReceived(String deviceAddress, String message) {  
        // message is the received data  
    }  
});  
mCenter.setmOnStateChangedListener(new BluetoothCenter.OnStateChangedListener() {  
    @Override  
    public void onStateChanged(String deviceAddress, int state) {  
        if (state == BluetoothConstant.STATE_CONNECT_FAIL) {  
            // connect failed  
        } else if (state == BluetoothConstant.STATE_CONNECT_SUCCESS) {  
            // connect succeed  
        }  
    }  
});  

// 3 Scan the bluetooth equipment
Intent intent = new Intent(OtherActivity.this, ScanActivity.class);
/*use the extras to set the theme of the ScanActivity*/
intent.putExtra(BluetoothConstant.EXTRA_THEME_COLOR, Color.BLUE);
intent.putExtra(BluetoothConstant.EXTRA_THEME_TITLE, "蓝牙设备");
intent.putExtra(BluetoothConstant.EXTRA_THEME_SCAN, "开始扫描");
intent.putExtra(BluetoothConstant.EXTRA_THEME_SCANNING, "扫描中...");
startActivityForResult(intent, 1);

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
//        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == Activity.RESULT_OK) {
            if (requestCode == 1) {
                // 4 Received the selected device
                deviceName = data.getStringExtra(BluetoothConstant.EXTRA_DEVICE_NAME);
                deviceAddress = data.getStringExtra(BluetoothConstant.EXTRA_DEVICE_ADDRESS); 
            }
        }
    }

// 5 Connect the bluetooth device  
if (mCenter != null && !TextUtils.equals(deviceAddress, "")) {
    mCenter.connect(deviceAddress);
}

// 6 Disconnect the bluetooth device or disconnect all
if (mCenter != null && !TextUtils.equals(deviceAddress, "")) {
    mCenter.disconnect(deviceAddress);
    // disconnectAll();
}

// 7 Send message to the device or send to all
mCenter.send(deviceAddress, message);
mCenter.sendAll(message);

// 7 sucide
// #warnning Only used at the stage of Exit. Wherever will use the BluetoothCenter please don’t Destroy and exit
if (mCenter != null) {
    mCenter.sucide();
}

public BluetoothAdapter getBluetoothAdapter();
public boolean openBluetooth();
public boolean closeBluetooth();
public boolean isSupportBluetooth();
public void unpair(String deviceAddress);
public void unpair(BluetoothDevice device);

private void bindBluetoothService() {
    Intent service = new Intent(this, BluetoothService.class);
    bindService(service, mServiceConnection, Context.BIND_AUTO_CREATE);
}

private ServiceConnection mServiceConnection = new ServiceConnection() {
    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {
        mBluetoothService = (IBluetoothService) service;
        // 3 set listener to receive data and connect state
        if (mBluetoothService != null) {
            mBluetoothService.setOnDataReceivedListener(mOnDataReceivedListener);
            mBluetoothService.setOnStateChangedListener(mOnStateChangedListener);
        }
    }

    @Override  
    public void onServiceDisconnected(ComponentName name) {  
        mBluetoothService = null;  
    }  
};

private BluetoothService.OnDataReceivedListener mOnDataReceivedListener = new   BluetoothService.OnDataReceivedListener() {
        @Override
        public void onDataReceived(String deviceAddress, String message) {
                    }
    };
  
private BluetoothService.OnStateChangedListener mOnStateChangedListener = new  BluetoothService.OnStateChangedListener() {
        @Override
        public void onStateChanged(String deviceAddress, int state) {
            if (state == BluetoothConstant.STATE_CONNECT_FAIL) {
                
            } else if (state == BluetoothConstant.STATE_CONNECT_SUCCESS) {
                
            }
        }
    };