适用于gp-3120tu机型通过蓝牙协议与android app的对接, 用的是TSC指令.

package com.freestyle.demo;

import android.content.Intent;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.os.Handler;

import android.os.HandlerThread;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.TextView;

import android.widget.Toast;

import com.freestyle.R;

import com.freestyle.common.btprinter.SharedPreferencesUtil;

import com.gprinter.command.EscCommand;

import com.gprinter.command.LabelCommand;

import com.freestyle.common.btprinter.BTPrinterUtil;

import com.freestyle.common.btprinter.DeviceConnFactoryManager;

import com.freestyle.common.btprinter.PrinterCommand;

import com.freestyle.common.btprinter.ThreadPool;

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