我正在尝试实现一个检测 IDTech 读卡器接受简单刷卡的 Android Activity。
下面是我的实现的基本结构,我也从这里获得了帮助
编码:
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import IDTech.MSR.XMLManager.StructConfigParameters;
import IDTech.MSR.uniMag.uniMagReader;
import IDTech.MSR.uniMag.uniMagReaderMsg;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends Activity implements uniMagReaderMsg {
private uniMagReader myUniMagReader = null;
private Button btnSwipe;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if(myUniMagReader == null) {
myUniMagReader = new uniMagReader(this,this);
myUniMagReader.setSaveLogEnable(false);
myUniMagReader.setXMLFileNameWithPath(null);
myUniMagReader.loadingConfigurationXMLFile(true);
//myUniMagReader.setVerboseLoggingEnable(true);
myUniMagReader.registerListen();
}
btnSwipe = (Button) findViewById(R.id.button1);
btnSwipe.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
myUniMagReader.startSwipeCard();
}
});
}
@Override
public void onDestroy() {
myUniMagReader.stopSwipeCard();
myUniMagReader.unregisterListen();
myUniMagReader.release();
super.onDestroy();
}
@Override
public boolean getUserGrant(int arg0, String arg1) {
Log.d("UniMag", "getUserGrant -- " + arg1);
return true;
}
@Override
public void onReceiveMsgAutoConfigProgress(int arg0) {
// TODO Auto-generated method stub
Log.d("UniMag", "onReceiveMsgAutoConfigProgress");
}
@Override
public void onReceiveMsgCardData(byte arg0, byte[] arg1) {
Log.d("UniMag", "onReceiveMsgCardData");
Log.d("UniMag", "Successful swipe!");
}
final Handler swipeHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
String text = (String)msg.obj;
TextView dataView = (TextView) findViewById(R.id.text_view);
dataView.setText(text);
}
};
@Override
public void onReceiveMsgCommandResult(int arg0, byte[] arg1) {
Log.d("UniMag", "onReceiveMsgCommandResult");
}
@Override
public void onReceiveMsgConnected() {
Log.d("UniMag", "onReceiveMsgConnected");
Log.d("UniMag", "Card reader is connected.");
}
@Override
public void onReceiveMsgDisconnected() {
Log.d("UniMag", "onReceiveMsgDisconnected");
if(myUniMagReader.isSwipeCardRunning()) {
myUniMagReader.stopSwipeCard();
}
myUniMagReader.release();
}
@Override
public void onReceiveMsgFailureInfo(int arg0, String arg1) {
Log.d("UniMag","onReceiveMsgFailureInfo -- " + arg1);
}
@Override
public void onReceiveMsgSDCardDFailed(String arg0) {
Log.d("UniMag", "onReceiveMsgSDCardDFailed -- " + arg0);
}
@Override
public void onReceiveMsgTimeout(String arg0) {
Log.d("UniMag", "onReceiveMsgTimeout -- " + arg0);
Log.d("UniMag","Timed out!");
}
@Override
public void onReceiveMsgToConnect() {
Log.d("UniMag","Swiper Powered Up");
}
@Override
public void onReceiveMsgToSwipeCard() {
Log.d("UniMag","onReceiveMsgToSwipeCard");
}
@Override
public void onReceiveMsgAutoConfigCompleted(StructConfigParameters arg0) {
Log.d("UniMag", "onReceiveMsgAutoConfigCompleted");
}
}
这里的问题是我只在 onReceiveMsgToConnect() 的 Logcat“Swiper 已启动”中收到这两条消息
几秒钟后(可能是 20 秒)
“时间到!” 从 onReceiveMsgTimeout() 发回一个字符串,说明无法连接到设备。我有多个 IDTech 设备,这在每个设备上都发生了相同的情况。此外,有时如果我足够幸运,我会得到:“读卡器已连接。” 从 onReceiveMsgConnected() 表示它已连接。但这种情况很少发生。
任何帮助将不胜感激。谢谢!