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这几天有个朋友要在安卓系统的PDA上进行打印小票，PDA是智谷联的3505,自带打印小票功能，经过几天的研究，把打印代码分享出来，PDA打印的底层是调用第三方的DLL,是用C++写的，安卓要调用C++的代码进行打印。
PDA上打印是使用串口进行打印的，首先要打开串口号，使用完要关闭端口。
打印效果如下图
打印代码如下
打印包括如下步骤，初始化端口，打开端口 ，打印小票，打印二维码，关闭端口
package com.example.cangku;
import java.text.SimpleDateFormat;
import java.util.Hashtable;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import com.example.application.MyApplication;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.smartdevicesdk.printer.PrintService;
import com.smartdevicesdk.printer.PrinterClassSerialPort3505;
import com.smartdevicesdk.printer.PrinterCommand;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class PrintBaoZhuangActivity extends Activity {
private Button btnpringka;
private String device = "/dev/ttyMT0";
private int baudrate = 115200;
PrinterClassSerialPort3505 printerClass = null;
private String barCode,baozhuangcode;
private String kehu,orderno,zhiling,xingti,pinming,guige,yanse,num,daiwei;
private TextView guanbi,tvpkehu,tvporder,tvpzhiling,tvpxingti,tvppinming,tvpguige,tvpyanse,tvpnum,tvpdaiwei;
private static final int RESULT_FROM_SERVER=1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.printbaozhuang);
baozhuangcode=getIntent().getStringExtra("baozhuangcode");
barCode=getIntent().getStringExtra("code");
kehu=getIntent().getStringExtra("kehu");
orderno=getIntent().getStringExtra("orderno");
zhiling=getIntent().getStringExtra("zhiling");
xingti=getIntent().getStringExtra("xingti");
pinming=getIntent().getStringExtra("pinming");
guige=getIntent().getStringExtra("guige");
yanse=getIntent().getStringExtra("yanse");
num=getIntent().getStringExtra("num");
daiwei=getIntent().getStringExtra("danwei");
tvpkehu=(TextView) findViewById(R.id.tvpkehu);
tvporder=(TextView) findViewById(R.id.tvporder);
tvpzhiling=(TextView) findViewById(R.id.tvpzhiling);
tvpxingti=(TextView) findViewById(R.id.tvpxingti);
tvppinming=(TextView) findViewById(R.id.tvppinming);
tvpguige=(TextView) findViewById(R.id.tvpguige);
tvpyanse=(TextView) findViewById(R.id.tvpyanse);
tvpnum=(TextView) findViewById(R.id.tvpnum);
tvpdaiwei=(TextView) findViewById(R.id.tvpdaiwei);
tvpkehu.setText(kehu);
tvporder.setText(orderno);
tvpzhiling.setText(zhiling);
tvpxingti.setText(xingti);
tvpyanse.setText(yanse);
tvppinming.setText(pinming);
tvpnum.setText(num);
tvpguige.setText(guige);
tvpdaiwei.setText(daiwei);
guanbi=(TextView) findViewById(R.id.guanbi);
guanbi.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
//打印
btnpringka=(Button) findViewById(R.id.btnpringka);
printerClass = new PrinterClassSerialPort3505(device, baudrate, mhandler);
btnpringka.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
openAndcloseDevice();
printerClass.printText(GetPrintStr());
createQRImage(baozhuangcode);
System.gc();
//printerClass.printText("******************************\n");
if (printerClass.mSerialPort.isOpen)
{
printerClass.close();
}
setResult(Activity.RESULT_OK);
finish();
}
});
}
//打开端口
private void openAndcloseDevice() {
if (printerClass.mSerialPort.isOpen) {
printerClass.close();
printerClass = new PrinterClassSerialPort3505(device, baudrate, mhandler);
printerClass.device = device;
printerClass.baudrate = baudrate;
printerClass.open();
//printerClass.write(new byte[] { 0x1b, 0x76 });
printerClass.write(new byte[] { 0x1b, 0x4d, 0x01 });//设置字体
printerClass.write(new byte[] { 0x1d, 0x21, 0x11 });//设置字体大小
printerClass.write(new byte[] { 0x1b, 0x33, 0x10 });//深圳行间距
} else {
printerClass.device = device;
printerClass.baudrate = baudrate;
printerClass.open();
//printerClass.write(new byte[] { 0x1b, 0x76 });
printerClass.write(new byte[] { 0x1b, 0x4d, 0x01 });//设置字体
printerClass.write(new byte[] { 0x1d, 0x21, 0x11 });//设置字体大小
printerClass.write(new byte[] { 0x1b, 0x33, 0x10 });//深圳行间距
}
}
//打印小票
public String GetPrintStr() {
/*kehu="爱都";
pinming="56条网络";
zhiling="Z001";
xingti="X001";
guige="55英寸";
num="20";
orderno="PO-16-001";*/
StringBuilder sb = new StringBuilder();
sb.append("\n");
//sb.append("*********************************\n");
sb.append("客 户:" +kehu+ "\n");
sb.append("品 名:" + pinming + "\n");
sb.append("指 令:" + zhiling + "\n");
sb.append("型体号:" + xingti + "\n");
sb.append("规 格:" + guige + "\n");
sb.append("数 量:" + num +daiwei+"\n");
sb.append("订单号:" + orderno + "\n");
sb.append("颜 色:" + yanse + "\n");
sb.append(" "+baozhuangcode+"\n");
//sb.append("------------------------------\r\n");
return sb.toString();
}
//打印二维码
public void createQRImage(String url)
{
try
{
int QR_WIDTH=250;
int QR_HEIGHT=250;
//判断URL合法性
if (url == null || "".equals(url) || url.length() < 1)
{
return;
}
Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
//图像数据转换，使用了矩阵转换
BitMatrix bitMatrix = new QRCodeWriter().encode(url, BarcodeFormat.QR_CODE, QR_WIDTH, QR_HEIGHT, hints);
int[] pixels = new int[QR_WIDTH * QR_HEIGHT];
//下面这里按照二维码的算法，逐个生成二维码的图片，
//两个for循环是图片横列扫描的结果
for (int y = 0; y < QR_HEIGHT; y++)
{
for (int x = 0; x < QR_WIDTH; x++)
{
if (bitMatrix.get(x, y))
{
pixels[y * QR_WIDTH + x] = 0xff000000;
}
else
{
pixels[y * QR_WIDTH + x] = 0xffffffff;
}
}
}
//生成二维码图片的格式，使用ARGB_8888
Bitmap bitmap = Bitmap.createBitmap(QR_WIDTH, QR_HEIGHT, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, QR_WIDTH, 0, 0, QR_WIDTH, QR_HEIGHT);
//显示到一个ImageView上面
// imgQr.setImageBitmap(bitmap);
printerClass.printImage(bitmap);
//bitmap.recycle();
}
catch (WriterException e)
{
e.printStackTrace();
}
}
Handler mhandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case PrinterCommand.MESSAGE_READ:
byte[] readBuf = (byte[]) msg.obj;
//Log.i(TAG, "readBuf:" + readBuf[0]);
if (readBuf[0] == 0x13) {
//checkBoxAuto.setChecked(false);
PrintService.isFUll = true;
/*textViewState.setText(getResources().getString(
R.string.str_printer_state)
+ ":"
+ getResources().getString(
R.string.str_printer_bufferfull));*/
} else if (readBuf[0] == 0x11) {
PrintService.isFUll = false;
/* textViewState.setText(getResources().getString(
R.string.str_printer_state)
+ ":"
+ getResources().getString(
R.string.str_printer_buffernull));*/
} else if (readBuf[0] == 0x08) {
/*checkBoxAuto.setChecked(false);
textViewState.setText(getResources().getString(
R.string.str_printer_state)
+ ":"
+ getResources().getString(
R.string.str_printer_nopaper));*/
} else if (readBuf[0] == 0x01) {
/*textViewState.setText(getResources().getString(
R.string.str_printer_state)
+ ":"
+ getResources().getString(
R.string.str_printer_printing));*/
} else if (readBuf[0] == 0x04) {
/*checkBoxAuto.setChecked(false);
textViewState.setText(getResources().getString(
R.string.str_printer_state)
+ ":"
+ getResources().getString(
R.string.str_printer_hightemperature));*/
} else if (readBuf[0] == 0x02) {
/*checkBoxAuto.setChecked(false);
textViewState.setText(getResources().getString(
R.string.str_printer_state)
+ ":"
+ getResources().getString(
R.string.str_printer_lowpower));*/
} else if (readBuf[0] == 0x00) {
} else {
String readMessage = new String(readBuf, 0, msg.arg1);
if (readMessage.contains("800"))// 80mm paper
{
PrintService.imageWidth = 72;
Toast.makeText(getApplicationContext(), "80mm",
Toast.LENGTH_SHORT).show();
} else if (readMessage.contains("580"))// 58mm paper
{
PrintService.imageWidth = 48;
Toast.makeText(getApplicationContext(), "58mm",
Toast.LENGTH_SHORT).show();
}
}
break;
case PrinterCommand.MESSAGE_STATE_CHANGE:
switch (msg.arg1) {
case PrinterCommand.STATE_CONNECTED:
break;
case PrinterCommand.STATE_CONNECTING:
Toast.makeText(getApplicationContext(),
"STATE_CONNECTING", Toast.LENGTH_SHORT).show();
break;
case PrinterCommand.STATE_LISTEN:
case PrinterCommand.STATE_NONE:
break;
case PrinterCommand.SUCCESS_CONNECT:
printerClass.write(new byte[] { 0x1b, 0x2b });
Toast.makeText(getApplicationContext(),
"SUCCESS_CONNECT", Toast.LENGTH_SHORT).show();
break;
case PrinterCommand.FAILED_CONNECT:
Toast.makeText(getApplicationContext(),
"FAILED_CONNECT", Toast.LENGTH_SHORT).show();
break;
case PrinterCommand.LOSE_CONNECT:
Toast.makeText(getApplicationContext(), "LOSE_CONNECT",
Toast.LENGTH_SHORT).show();
}
break;
case PrinterCommand.MESSAGE_WRITE:
break;
case PrinterCommand.PERMIT_PRINTER:
String result = (String) msg.obj;
//Toast.makeText(getApplicationContext(),"允许打印", Toast.LENGTH_SHORT).show();
break;
case PrinterCommand.FORBID_PRINTER:
String forbid_print = (String) msg.obj;
Toast.makeText(getApplicationContext(),"禁止打印", Toast.LENGTH_SHORT).show();
break;
case PrinterCommand.TIMEOUT_PRINTER:
String print_timeout = (String) msg.obj;
Toast.makeText(getApplicationContext(),"打印超时", Toast.LENGTH_SHORT).show();
break;
}
super.handleMessage(msg);
}
};
}