安卓蓝牙打印 SATO佐藤 条码

 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。

SATOBarcodeProgrammingLanguage.pdf_Android蓝牙打印一维条码-其它文档类资源-优快云下载

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