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H706简单DEMO

H706简单DEMO

作者: 昨天剩下的一杯冷茶 | 来源:发表于2019-01-16 14:31 被阅读7次

    布局文件

    <?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.hzx.h706.MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <Button
            android:id="@+id/btn_con"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="蓝牙连接"/>

        <EditText
            android:id="@+id/edit_mac"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:ems="10"
            android:inputType="textPersonName"
            android:text="9DA1" />


    </LinearLayout>


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="类型" />

    <EditText
        android:id="@+id/edit_type"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="绿色精灵" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="标题" />

    <EditText
        android:id="@+id/edit_title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="张经理：" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"

        android:text="内容" />


    <EditText
        android:id="@+id/edit_content"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"

        android:text="小蔡，今天晚上请吃饭，老地方见！" />


    <Button
        android:id="@+id/btn_send"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="发送数据"/>

</LinearLayout>

    activity

    package com.example.hzx.h706;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCallback;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;
import android.bluetooth.BluetoothGattService;
import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import java.util.List;
import java.util.UUID;

public class MainActivity extends AppCompatActivity {

    private static final UUID SERVIE_UUID = UUID.fromString("0000ffb0-0000-1000-8000-00805f9b34fb");
    private static final UUID CHARACTERISTIC_UUID_WRITE             = UUID.fromString( "0000ffb1-0000-1000-8000-00805f9b34fb");
    private static final UUID CHARACTERISTIC_DESCRIPTOR_UUID        = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");

    private final String TAG = "123";
    private Button btn_con;
    private Button btn_send;
    private Boolean is_con = false;
    private String BleDeviceMac = "E6:71:15:9D:9D:A1";
    //蓝牙相关的
    //获取系统蓝牙适配器管理类
    private BluetoothAdapter mBluetoothAdapter = null;
    BluetoothDevice targetDevice = null;
    private BluetoothGatt mBluetoothGatt = null;
    private BluetoothGattService service = null;
    private BluetoothGattCharacteristic writeCharacteristic=null;
    // 申请打开蓝牙请求的回调
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        // TODO Auto-generated method stub
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == 1) {
            if (resultCode == RESULT_OK) {
                Toast.makeText(this, "蓝牙已经开启", Toast.LENGTH_SHORT).show();
            } else if (resultCode == RESULT_CANCELED) {
                Toast.makeText(this, "没有蓝牙权限", Toast.LENGTH_SHORT).show();
                finish();
            }
        }
    }
    public void SendDataToBle(String data){
        if (( writeCharacteristic==null ) || (mBluetoothGatt == null)){
            return;
        }
        byte[] byteArray = new byte[30];
        byteArray = DigitalConver.toByteArray(data);
        Log.d(TAG,""+data);
        writeCharacteristic.setValue(byteArray);
        mBluetoothGatt.writeCharacteristic(writeCharacteristic);
    }
    public boolean setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enabled) {
        if (mBluetoothAdapter == null || mBluetoothGatt == null) {
            Log.e(TAG, "BluetoothAdapter not initialized");
            return false;
        }
        boolean b = mBluetoothGatt.setCharacteristicNotification(characteristic, true);
        if (b){
            Log.e(TAG, "打开通知成功");
        }
        Log.e(TAG, "写入数据到描述符");

        characteristic.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT);
        final BluetoothGattDescriptor descriptor = characteristic.getDescriptor(CHARACTERISTIC_DESCRIPTOR_UUID);
        if (descriptor == null) {
            return false;
        }
        if ((characteristic.getProperties() & BluetoothGattCharacteristic.PROPERTY_NOTIFY) != 0) {
            descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
        } else if ((characteristic.getProperties() & BluetoothGattCharacteristic.PROPERTY_INDICATE) != 0) {
            descriptor.setValue(BluetoothGattDescriptor.ENABLE_INDICATION_VALUE);
        }
        mBluetoothGatt.writeDescriptor(descriptor);
        return true;
    }

    private BluetoothAdapter.LeScanCallback callback = new BluetoothAdapter.LeScanCallback() {
        @Override
        public void onLeScan(BluetoothDevice device, int arg1, byte[] arg2) {
            String string = "H706";
            if (string.equals(device.getName()))
            {
                Log.d(TAG, "" + device.getName());
                Log.d(TAG,""+device.getAddress());
                if (BleDeviceMac.equals(device.getAddress()) ) {
                    //停止扫描
                    targetDevice = device;
                    Log.d(TAG,"find deviec....");
                    mBluetoothAdapter.stopLeScan(callback);
                    Log.d(TAG,"开始连接设备");
                    mBluetoothGatt = targetDevice.connectGatt(MainActivity.this, false, gattCallback);
                }
            }
        }
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btn_con = (Button)findViewById(R.id.btn_con);
        btn_con.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Log.d(TAG,"btn_con-------->");
                if (false == is_con){
                    if (mBluetoothAdapter == null){
                        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
                    }
                    // 询问打开蓝牙
                    if (mBluetoothAdapter != null && !mBluetoothAdapter.isEnabled()) {
                        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                        startActivityForResult(enableBtIntent, 1);
                    }
                    Log.d(TAG,"start scan-------->");
                    if (callback==null) {
                        Log.d(TAG,"callback=null-------->");
                    }
                    //扫描设备
                    mBluetoothAdapter.startLeScan(callback);
                }
            }
        });

        btn_send = (Button)findViewById(R.id.btn_send);
        btn_send.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (true == is_con){
                    SendDataToBle("B21303020202");
                    //setCharacteristicNotification(writeCharacteristic,true);
                }
            }
        });
    }

    private BluetoothGattCallback gattCallback = new BluetoothGattCallback() {
        @Override
        public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
            if (newState == BluetoothGatt.STATE_CONNECTED) {
                Log.e(TAG, "设备连接上 开始扫描服务");
                // 开始扫描服务，安卓蓝牙开发重要步骤之一
                mBluetoothGatt.discoverServices();
            }
            if (newState == BluetoothGatt.STATE_DISCONNECTED) {
                Log.e(TAG, "蓝牙断开");
                is_con = false;
            }
        }
        @Override
        public void onServicesDiscovered(BluetoothGatt gatt, int status) {
            //获取服务列表
            String uuid;
            Log.e(TAG, "获取服务列表1");
            service = mBluetoothGatt.getService(SERVIE_UUID);
            Log.e(TAG, "获取特征值1");
            writeCharacteristic =  service.getCharacteristic(CHARACTERISTIC_UUID_WRITE);
            Log.e(TAG, "打开通知2");
            setCharacteristicNotification(writeCharacteristic,true);
            Log.e(TAG, "蓝牙设置完毕3");
            is_con = true;
        }

        @Override
        public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
            super.onDescriptorRead(gatt, descriptor, status);
        }

        @Override
        public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
            super.onCharacteristicWrite(gatt, characteristic, status);
            Log.e(TAG, "写成功");
        }
        @Override
        public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
            if ( status == BluetoothGatt.GATT_SUCCESS ) {
                Log.e(TAG, "真开启监听成功");
            }else{
                Log.e(TAG, "假开启监听成功");
            }
        };
        @Override
        public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
            Log.e(TAG,"蓝牙收到数据--------->");
            byte[] value = characteristic.getValue();
            String string;
            string = DigitalConver.formatData(value);
            Log.e(TAG,"vale:"+string);
        }
    };
}

    转化数据的类

    package com.example.hzx.h706;

/**
 * Created by hzx on 2019/1/14.
 */

public class DigitalConver {


    /**
     * @Date 2017/5/10
     * @Author wenzheng.liu
     * @Description 格式化数据
     */
    public static String formatData(byte[] data) {
        if (data != null && data.length > 0) {
            StringBuilder stringBuilder = new StringBuilder(data.length);
            for (byte byteChar : data)
                stringBuilder.append(byte2HexString(byteChar));
            //LogModule.i(stringBuilder.toString());
            return stringBuilder.toString();
        }
        return null;
    }

    /**
     * @Date 2017/5/10
     * @Author wenzheng.liu
     * @Description byte转16进制
     */
    public static String byte2HexString(byte b) {
        return String.format("%02X ", b);
    }

    /**
     * @Date 2017/5/15
     * @Author wenzheng.liu
     * @Description 16进制转10进制
     */
    public static String decodeToString(String data) {
        String string = Integer.toString(Integer.parseInt(data, 16));
        return string;
    }

    /**
     * @Date 2017/5/16
     * @Author wenzheng.liu
     * @Description 16进制转2进制
     */
    public static String hexString2binaryString(String hexString) {
        if (hexString == null || hexString.length() % 2 != 0)
            return null;
        String bString = "", tmp;
        for (int i = 0; i < hexString.length(); i++) {
            tmp = "0000"
                    + Integer.toBinaryString(Integer.parseInt(
                    hexString.substring(i, i + 1), 16));
            bString += tmp.substring(tmp.length() - 4);
        }
        return bString;
    }

    /**
     * @Date 2017/6/2
     * @Author wenzheng.liu
     * @Description 16进制数组转byte数组
     */
    public static byte[] hexStringArray2byteArray(String[] hexString) {
        byte[] data = new byte[hexString.length];
        for (int i = 0; i < hexString.length; i++) {
            data[i] = (byte) Integer.parseInt(hexString[i], 16);
        }
        return data;
    }

    /**
     * To byte array byte [ ].
     *
     * @param hexString the hex string
     * @return the byte [ ]
     */
    public static byte[] toByteArray(String hexString) {
        /*
        if (StringUtils.isEmpty(hexString))
            return null;
            */
        hexString = hexString.toLowerCase();
        final byte[] byteArray = new byte[hexString.length() >> 1];
        int index = 0;
        for (int i = 0; i < hexString.length(); i++) {
            if (index  > hexString.length() - 1)
                return byteArray;
            byte highDit = (byte) (Character.digit(hexString.charAt(index), 16) & 0xFF);
            byte lowDit = (byte) (Character.digit(hexString.charAt(index + 1), 16) & 0xFF);
            byteArray[i] = (byte) (highDit << 4 | lowDit);
            index += 2;
        }
        return byteArray;
    }


    /**
     * byte[] to Hex string.
     *
     * @param byteArray the byte array
     * @return the string
     */

    public static String toHexString(byte[] byteArray) {
        final StringBuilder hexString = new StringBuilder("");
        if (byteArray == null || byteArray.length <= 0)
            return null;
        for (int i = 0; i < byteArray.length; i++) {
            int v = byteArray[i] & 0xFF;
            String hv = Integer.toHexString(v);
            if (hv.length() < 2) {
                hexString.append(0);
            }
            hexString.append(hv);
        }
        return hexString.toString().toLowerCase();
    }
}

    效果

    image.png

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