安卓蓝牙打印 SATO佐藤条码

我不是女神ヾ 2023-06-13 06:17 14阅读 0赞

安卓通过蓝牙打印条码业务，根据最新的帮助打印条码，可以打印二维码内容。

[https://download.csdn.net/download/weijia3624/11975543][https_download.csdn.net_download_weijia3624_11975543]

package com.example.demo;
    
    import androidx.appcompat.app.AppCompatActivity;
    
    import android.bluetooth.BluetoothAdapter;
    import android.bluetooth.BluetoothDevice;
    import android.bluetooth.BluetoothSocket;
    import android.content.Context;
    import android.content.Intent;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.Menu;
    import android.view.View;
    import android.widget.AdapterView;
    import android.widget.ArrayAdapter;
    import android.widget.Button;
    import android.widget.ListView;
    import android.widget.TextView;
    import android.widget.AdapterView.OnItemClickListener;
    
    import java.io.OutputStream;
    import java.io.UnsupportedEncodingException;
    import java.util.HashMap;
    import java.util.Set;
    import java.util.UUID;
    
    public class MainActivity extends AppCompatActivity implements View.OnClickListener   {
        private Button Button1,Button2;
        private TextView textView1;
        private ListView BlueDevView;
        private static final int REQUEST_ENABLE_BT= 1;
        private String btDevMacAddr = "";
        private BluetoothSocket Socket = null;
        private BluetoothDevice btdev = null;
        private Context context = this;
        public static final byte[] DOUBLE_HEIGHT_WIDTH = {0x1d, 0x21, 0x11};
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            Button1 = (Button) findViewById(R.id.button1);// 取得组件
            Button1.setOnClickListener(this);
            Button2 = (Button) findViewById(R.id.button2);// 取得组件
            Button2.setOnClickListener(this);
            textView1 = (TextView) findViewById(R.id.textView1);
            BlueDevView = (ListView) findViewById(R.id.listView1);
            setStatusInfo("未连接设备 ");
            BlueDevView.setAdapter(null);
            BlueDevView.setOnItemClickListener(new OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> parent, View view, int position,long id) {
                    try
                    {
                        @SuppressWarnings("unchecked")
                        HashMap<String,String> map=(HashMap<String,String>)BlueDevView.getItemAtPosition(position);
                        btDevMacAddr=map.get("devMacAddr");
                        Log.d("ligao","btDevMacAddr "+btDevMacAddr);
                        if(btDevMacAddr!=""){
                            BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
                            btdev=mBluetoothAdapter.getRemoteDevice(btDevMacAddr);
                            setStatusInfo("已经连接 "+btDevMacAddr);
                        }
    
                    }
                    catch(Exception e)
                    {
                        Log.d("ligao","err "+e.getMessage());
                        setStatusInfo("err "+e.getMessage());
                        return;
                    }
    
    
                }
            });
            setBluetooth();
        }
    
        private void setStatusInfo(String info)
        {
            textView1.setText(info);
        }
    
        private void setBluetooth()
        {
            //获取 BluetoothAdapter,该设备不支持蓝牙,getDefaultAdapter()返回 null，
            BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
            if (mBluetoothAdapter == null) {
                // Device does not support Bluetooth
            }
    
            //判断蓝牙是否启用,若未启用则请求用户允许启用蓝牙
            if (!mBluetoothAdapter.isEnabled()) {
                Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(intent, REQUEST_ENABLE_BT);
            }
    
            BlueDevView.setAdapter(null);
            //查询配对的设备
            try{
                ArrayAdapter<HashMap<String,String>> mArrayAdapter=new ArrayAdapter<HashMap<String,String>>(this,android.R.layout.simple_list_item_1);
                Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDevices();
                // If there are paired devices
                if (pairedDevices.size() > 0) {
                    // Loop through paired devices
                    for (BluetoothDevice device : pairedDevices) {
                        // Add the name and address to an array adapter to show in a ListView
                        String devName=device.getName();
                        if(devName.indexOf("SATO")>-1)
                        {
                            HashMap<String, String> devMap = new HashMap<String, String>();
                            devMap.put("devName", device.getName());
                            devMap.put("devMacAddr", device.getAddress());
                            mArrayAdapter.add(devMap);
                        }
    
                    }
                    BlueDevView.setAdapter(mArrayAdapter);
                }
            }
            catch(Exception e)
            {
                Log.d("ligao","setBlueDevView Err "+ e.getMessage());
                setStatusInfo("setBlueDevView Err "+ e.getMessage());
                return ;
            }
    
        }
    
        private void printDate()
        {
            try {
                String text="AAAAAA@BBBBB@CCCCC@DDDDD@EEEEE@FFFFF@GGGGGG";
                String[] inarr = text.split("@");
                String drugCode=inarr[0];
                String drugDesc=inarr[1];
                String drugSpec=inarr[2];
                String drugBatNo=inarr[3];
                String drugExpDate=inarr[4];
                String drugBarcode=inarr[5];
                String drugManf=inarr[6];
                drugCode=string2HexString("A数");
                drugDesc=string2HexString("B量：100");
                drugSpec=string2HexString("日期：_ _ _ _ _ _");
                drugBatNo=string2HexString("编号：_ _ _ _ _ _");
                drugExpDate=string2HexString(drugExpDate);
                drugBarcode=string2HexString(drugBarcode);
                drugManf=string2HexString(drugManf);
                int vstar=50; //竖直位置
                int hstar=1; //水平位置
                int h1=hstar+40,h2=hstar+165;
                int vstep=40; //行宽
    
                byte[] byteText = text.getBytes("GB18030");
                int byteTextLen= byteText.length;
                String dnmmmm= String.format("%04d", byteTextLen);
                String CommandCode="<A>"
                        +"<V>"+(vstar+vstep*1)+"<H>"+h2+"<P>3<L>0101<C9>H"+drugCode
                        +"<V>"+(vstar+vstep*3)+"<H>"+h1+"<P>3<L>0101<C9>H"+drugDesc
                        +"<V>"+(vstar+vstep*5)+"<H>"+h1+"<P>3<L>0101<C9>H"+drugSpec
                        +"<V>"+(vstar+vstep*7)+"<H>"+h1+"<P>3<L>0101<C9>H"+drugBatNo
                        +"<V>"+(vstar+vstep*9)+"<H>"+h2+"<2D30>,L,03,1,0<DN>"+dnmmmm+","+text
                        +"<Q>1"
                        +"<Z>";
                //CommandCode= "<A><H>100<V>100<2D30>,L,09,1,0<DN>0096,"+text+"<Q1<Z";
                Log.d("ligao","CodePrint CommandCode:"+ CommandCode );
                CodePrint(CommandCode);
                return;
            } catch (Exception e) {
            }
    
        }
    
        private void printClear()
        {
            CodePrint("<A><*><Z>");
            return;
    
        }
    
        private void CodePrint(final String CommandCode)
        {
            Thread thread = new Thread() {
                public void run() {
                    try {
                        String PrintCode=CommandCode;
                        Log.d("ligao","CodePrint CommandCode:"+ PrintCode );
                        setSocket();
                        Socket.connect();
                        OutputStream outputStream = Socket.getOutputStream();
                        PrintCode=PrintCode.replace('<','\u001b'); //< 替换成 ESC
                        PrintCode=PrintCode.replace(">", "");
                        Log.d("ligao","CodePrint CommandCode2:"+ PrintCode );
    
                        byte[] b = PrintCode.getBytes("GB18030"); //GB18030
                        outputStream.write(b);
                        outputStream.flush();
                        Socket.close();
                    } catch (Exception e) {
                        Log.d("ligao","CodePrint Err1"+ e.getMessage());
                        setStatusInfo("CodePrint Err1"+ e.getMessage());
                        try {
                            Socket.close();
                        } catch (Exception closeException) {
                            Log.d("ligao","CodePrint Err2"+ closeException.getMessage());
                            setStatusInfo("CodePrint Err2"+ closeException.getMessage());
    
                        }
                        return;
                    }
    
                }
            };
            thread.start();
        }
    
    
        @Override
        public void onClick(View v)
        {
            switch(v.getId())
            {
                case R.id.button1:
                {
    
    
                    try
                    {
                        Log.d("ligao","b1 click 0");
                        printDate();
                        //selectCommand();
    
                    }catch(Exception e)
                    {
                        Log.d("ligao","b1 click  eeee "+ e.getMessage());
                        return ;
                    }
                    break;
                }
                case R.id.button2:
                {
                    printClear();
                    Log.d("ligao","b2 click 0");
                    break;
                }
            }
    
        }
    
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
        private void setSocket()
        {
            try{
                if(btdev != null)
                {
                    Socket = btdev.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));
                }
                else
                {
                    Log.d("ligao","setSocket  btdev is null");
                }
            }
            catch(Exception e)
            {
                Log.d("ligao","Socket  Err "+ e.getMessage());
                return ;
            }
    
    
        }
        private static String  string2HexString(String strPart) {
            byte[] b;
            StringBuffer result = new StringBuffer();
            String hex;
            try {
    
                b = strPart.getBytes("GB18030"); //GB18030
                for (int i = 0; i < b.length; i++) {
                    hex = Integer.toHexString(b[i] & 0xFF);
                    if (hex.length() == 1) {
                        hex = '0' + hex;
                    }
                    result.append(hex.toUpperCase());
                }
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                return result.toString();
            }
            return result.toString();
        }
    }

[https_download.csdn.net_download_weijia3624_11975543]: https://download.csdn.net/download/weijia3624/11975543