该单元附有一个稀缺的文档,SDK中的演示应用程序实现了固件更新和几个对话框,这些实际上是如何实现基本功能(添加到代码中的几个而不是很好的注释).

我已经在基本的活动中实现了接口,并且试图检测该单元何时连接或断开连接,但是似乎监听器将两个事件(连接/断开连接)捕获为“断开连接”,更不用说尝试读取卡.

有没有人在Android上使用这个单位,并有一些明确的例子？

顺便说一句,这是我的课：

package com.card.swipe;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import IDTech.MSR.uniMag.uniMagReader;
import IDTech.MSR.uniMag.uniMagReaderMsg;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

public class CardSwipeTestActivity extends Activity implements uniMagReaderMsg {

    private uniMagReader myUniMagReader = null;
    private TextView etCardData;
    private String _strMSRData = null;
    private byte[]_MSRData = null;
    private String _strStatus = null;
    private int _nGetChallengeResult = 0;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
//      InitializeUI();
        InitializeReader();  
        String strManufacture = myUniMagReader.getInfoManufacture();
        String strModel = myUniMagReader.getInfoModel();
        String strSDKVerInfo = myUniMagReader.getSDKVersionInfo();
        String strOSVerInfo = android.os.Build.VERSION.RELEASE;
        etCardData = (TextView)findViewById(R.id.text_view);
        etCardData.setText("Phone: "+strManufacture+"\n"+"Model: "+strModel+"\n"+"SDK Ver: "+strSDKVerInfo+"\nOS Version: "+strOSVerInfo);      
    }

    @Override
    protected void onPause() {
        // TODO Auto-generated method stub
        if(myUniMagReader!=null)
        {
            //you should stop swipe card and unregister when the application go to background
            myUniMagReader.stopSwipeCard();         
//          myUniMagReader.unregisterListen();
//          myUniMagReader.release();
        }
        super.onPause();
    }
    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
        // you should register to listen the headset event when the application resumed.
//      if(myUniMagReader!=null)
//      {
////            myUniMagReader.registerListen();
//          if(_bCheckedSaveLogItem==true)
//              myUniMagReader.setSaveLogEnable(true);
//          else
//              myUniMagReader.setSaveLogEnable(false);
//      }
//      if(itemStartSC!=null)
//          itemStartSC.setEnabled(true); 
//      waitingCommandResult=false;
        super.onResume();
    }
    @Override
    protected void onDestroy() {
        myUniMagReader.release();
        super.onDestroy();      
        android.os.Process.killProcess(android.os.Process.myPid());
    }    

    //********************************************************************************//    

    @Override
    public boolean getUserGrant(int arg0,String arg1) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public void onReceiveMsgAutoConfigProgress(int arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onReceiveMsgCardData(byte arg0,byte[] arg1) {
        // TODO Auto-generated method stub
        Log.d("SWIPE","Card swiped!");
        Toast.makeText(getApplicationContext(),"Card swiped!",Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onReceiveMsgCommandResult(int arg0,byte[] arg1) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onReceiveMsgConnected() {
        Log.d("CONNECTION","Swiper Connected");
        Toast.makeText(getApplicationContext(),"Swiper Connected!",Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onReceiveMsgDisconnected() {
        Log.d("CONNECTION","Swiper Disconnected");
        Toast.makeText(getApplicationContext(),"Swiper Disconnected!",Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onReceiveMsgFailureInfo(int arg0,String arg1) {
        // TODO Auto-generated method stub
        Log.d("CONNECTION","Swiper Failure");
    }

    @Override
    public void onReceiveMsgSDCardDFailed(String arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onReceiveMsgTimeout(String arg0) {
        Log.d("TIMEOUT","Timed out!");  
        Toast.makeText(getApplicationContext(),"Timed out!",Toast.LENGTH_SHORT).show();   
    }

    @Override
    public void onReceiveMsgToConnect() {
        Log.d("CONNECTION","Swiper Powered Up");
        Toast.makeText(getApplicationContext(),"Swiper Powered Up",Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onReceiveMsgToSwipeCard() {
        Log.d("SWIPE","Ready to swipe!");
        Toast.makeText(getApplicationContext(),"Ready to swipe!",Toast.LENGTH_SHORT).show();      
    }

    //********************************************************************************//

    private void InitializeReader()
    {
        if(myUniMagReader==null)
            myUniMagReader =  new uniMagReader(this,this);

        myUniMagReader.setVerboseLoggingEnable(true);
        myUniMagReader.registerListen();
        //load the XML configuratin file
        String fileNameWithPath = getXMLFileFromRaw();
        if(!isFileExist(fileNameWithPath)) { fileNameWithPath = null; }        
        myUniMagReader.setXMLFileNameWithPath(fileNameWithPath);
        myUniMagReader.loadingConfigurationXMLFile(true);
        myUniMagReader.setTimeoutOfSwipeCard(5); 
    }

    private boolean isFileExist(String path) {
        if(path==null)
            return false;
        File file = new File(path);
        if (!file.exists()) {
          return false ;
        }
        return true;
    }   

    private String getXMLFileFromRaw( ){
        //the target filename in the application path
       String fileNameWithPath = null;
       fileNameWithPath = "idt_unimagcfg_default.xml";

       try{
           InputStream in = getResources().openRawResource(R.raw.idt_unimagcfg_default);
           int length = in.available();
           byte [] buffer = new byte[length];
           in.read(buffer);        
           in.close();

           deleteFile(fileNameWithPath);

           FileOutputStream fout = openFileOutput(fileNameWithPath,MODE_PRIVATE);
           fout.write(buffer);
           fout.close();

           // to refer to the application path
           File fileDir = this.getFilesDir();
           fileNameWithPath = fileDir.getParent() + java.io.File.separator + fileDir.getName();
           fileNameWithPath = fileNameWithPath+java.io.File.separator+"idt_unimagcfg_default.xml";

           }
           catch(Exception e){
           e.printStackTrace();
           fileNameWithPath = null;
           }

        return   fileNameWithPath;

        }   

    public void swipe(View v)
    {
        if(myUniMagReader!=null)
        {
            myUniMagReader.startSwipeCard();
        }
        if(myUniMagReader.isSwipeCardRunning()==true)
        {
            Log.d("SWIPE","Swipe Card Running!");
        }       
    }

    private String getHexStringFromBytes(byte []data)
    {
        if(data.length<=0) return null;
        StringBuffer hexString = new StringBuffer();
        String fix = null;
        for (int i = 0; i < data.length; i++) {
            fix = Integer.toHexString(0xFF & data[i]);
            if(fix.length()==1)
                fix = "0"+fix;
            hexString.append(fix);
       }
       fix = null;
       fix = hexString.toString();
       return fix;
    }

    public byte[] getBytesFromHexString(String strHexData)
    {
        if (1==strHexData.length()%2) {
            return null;
        }
        byte[] bytes = new byte[strHexData.length()/2];
        for (int i=0;i<strHexData.length()/2;i++) {
            bytes[i] = (byte) Integer.parseInt(strHexData.substring(i*2,(i+1)*2),16);
        }
        return bytes;
    }
}

(还有一些未实现的方法)