ScanService.java
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package com.IDCard;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.RemoteException;
//import aidl.com.ectrip.scanbarcode_jp.IScan
import com.ectrip.scanbarcode_jp.IScan;
import com.hsm.barcode.DecodeResult;
import com.hsm.barcode.Decoder;
import com.hsm.barcode.DecoderConfigValues.SymbologyID;
import com.hsm.barcode.DecoderException;
import com.hsm.barcode.SymbologyConfig;
public class ScanService extends Service {
@Override
public void onCreate() {
super.onCreate();
}
@Override
public IBinder onBind(Intent arg0) {
return mAidlScan;
}
private AidlScan mAidlScan = new AidlScan();
/**
* 实现具体的代码
* @author Administrator
*
*/
class AidlScan extends IScan.Stub {
private Decoder mDecoder ;
private DecodeResult mDecodeResult;
private String barcode = null;
private boolean scanning = false ;
@Override
public void initEngine() throws RemoteException {
mDecoder = new Decoder();
try {
mDecoder.connectDecoderLibrary();
initPara();
} catch (DecoderException e) {
e.printStackTrace();
}
}
private void initPara(){
try {
mDecoder.enableSymbology(SymbologyID.SYM_QR);
mDecoder.enableSymbology(SymbologyID.SYM_PDF417);
mDecoder.enableSymbology(SymbologyID.SYM_EAN13);
// mDecoder.enableSymbology(SymbologyID.SYM_DATAMATRIX);
// mDecoder.enableSymbology(SymbologyID.SYM_UPCA);
// mDecoder.enableSymbology(SymbologyID.SYM_CHINAPOST);
// mDecoder.enableSymbology(SymbologyID.SYM_CODE39);
// mDecoder.enableSymbology(SymbologyID.SYM_CODE128);
// mDecoder.enableSymbology(SymbologyID.SYM_EAN8);
// mDecoder.enableSymbology(SymbologyID.SYM_CODE32);
//打开EAN13码校验
SymbologyConfig config = new SymbologyConfig(SymbologyID.SYM_EAN13);
config.Flags = 5 ;
config.Mask = 1 ;
mDecoder.setSymbologyConfig(config);
try {
mDecoder.startScanning();
Thread.sleep(50);
mDecoder.stopScanning();
} catch (Exception e) {
e.printStackTrace();
}
} catch (DecoderException e) {
e.printStackTrace();
}
}
private Thread scanThread = null ;
@Override
public String scan() throws RemoteException {
barcode = null;
if(!scanning){
if(scanThread != null ){
//线程不为null强制中断
scanThread.interrupt() ;
scanThread = null ;
}
//创建单线程
scanThread = new Thread(scanRun);
scanThread.start() ;
}
return getBarcode();
}
private Runnable scanRun = new Runnable() {
@Override
public synchronized void run() {
if(mDecoder != null){
scanning = true ;
try {//ɨ��
boolean is = mDecoder.callbackKeepGoing();
Thread.sleep(50) ;
//扫描，超时为5秒
mDecoder.waitForDecodeTwo(5000, mDecodeResult);
if(mDecoder.getBarcodeData() != null && mDecoder.getBarcodeLength() > 0){
barcode = mDecoder.getBarcodeData() ;
byte[] barByte = barcode.getBytes() ;
}
//减慢速度
Thread.sleep(50) ;
scanning = false ;
} catch (DecoderException e) {
try {
Thread.sleep(100) ;
} catch (InterruptedException e1) {
e1.printStackTrace();
}
e.printStackTrace();
scanning = false ;
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
};
private String getBarcode(){
int count = 50;
while(count > 0){
count--;
if(barcode != null){
break;
}
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
return barcode;
}
@Override
public void close() throws RemoteException {
if(mDecoder != null){
try {
mDecoder.disconnectDecoderLibrary();
} catch (DecoderException e) {
e.printStackTrace();
}
}
}
}
}