蓝牙帮助类

package com.sie.isky.android.helper;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
import android.util.Log;

import com.sie.isky.android.bean.PrinterBean;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;

/**
 * 时 间: 2017/8/7
 * 作 者: 郑亮
 * Q  Q : 1023007219
 */

public class BlueToothHelper {

    private BluetoothAdapter bluetoothAdapter = null;

    public BlueToothHelper() {
        bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    }

    public BluetoothAdapter getAdapter() {
        return bluetoothAdapter;
    }


    public BluetoothDevice getDeviceByMac(String mac) {
        return bluetoothAdapter.getRemoteDevice(mac);
    }

    /**
     * 是否支持蓝牙
     */
    public boolean isSupportBlueTooth() {
        if (bluetoothAdapter != null) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 蓝牙是否打开
     *
     * @return
     */
    @SuppressLint("Assert")
    public boolean getSwitchBlueTooth() {
        assert (bluetoothAdapter != null);
        return bluetoothAdapter.isEnabled();
    }

    /**
     * 打开蓝牙
     *
     * @param activity
     */
    public void trueOnBlueTooth(Activity activity) {
        Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        activity.startActivity(intent);
    }

    /**
     * 关闭蓝牙
     */
    public void trueOffBlueTooth() {
        bluetoothAdapter.disable();
    }

    /**
     * 查找设备
     */
    @SuppressLint("Assert")
    public void findDevice() {
        assert (bluetoothAdapter != null);
        bluetoothAdapter.startDiscovery();
    }

    /**
     * 取消查找设备
     */
    @SuppressLint("Assert")
    public void cancelDevice() {
        assert (bluetoothAdapter != null);
        bluetoothAdapter.cancelDiscovery();
    }

    /**
     * 获取绑定设备
     *
     * @return
     */
    public List<PrinterBean> getBlueToothDeviceList() {
        List<PrinterBean> printerBeans = new ArrayList<PrinterBean>();
        Set<BluetoothDevice> bondedDevices = bluetoothAdapter.getBondedDevices();
        for (BluetoothDevice bondedDevice : bondedDevices) {
            PrinterBean printerBean = new PrinterBean();
            printerBean.setMac(bondedDevice.getAddress());
            printerBean.setName(bondedDevice.getName());
            printerBean.setUuid(Arrays.toString(bondedDevice.getUuids()));
            printerBeans.add(printerBean);
        }
        return printerBeans;
    }

    // 与设备解除配对
    public boolean removeBond(Class btClass, BluetoothDevice btDevice) throws Exception {
        Method removeBondMethod = btClass.getMethod("removeBond");
        Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice);
        return returnValue.booleanValue();
    }

    // 与设备配对
    public boolean createBond(Class btClass, BluetoothDevice btDevice) throws Exception {
        Method createBondMethod = btClass.getMethod("createBond");
        Boolean returnValue = (Boolean) createBondMethod.invoke(btDevice);
        return returnValue.booleanValue();
    }


    /**
     *
     * @param clsShow
     */
    public void printAllInform(Class clsShow) {
        try {
            // 取得所有方法
            Method[] hideMethod = clsShow.getMethods();
            int i = 0;
            for (; i < hideMethod.length; i++) {
                Log.e("method name", hideMethod[i].getName());
            }
            // 取得所有常量
            Field[] allFields = clsShow.getFields();
            for (i = 0; i < allFields.length; i++) {
                Log.e("Field name", allFields[i].getName());
            }
        } catch (SecurityException e) {
            // throw new RuntimeException(e.getMessage());
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            // throw new RuntimeException(e.getMessage());
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}