291 lines
7.5 KiB
Java
291 lines
7.5 KiB
Java
package com.jiebao.h518.scan;
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import com.jiebao.h518.scan.BeepManager;
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import com.motorolasolutions.adc.decoder.BarCodeReader;
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import android.app.Activity;
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import android.content.Context;
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import android.media.AudioManager;
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import android.media.SoundPool;
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import android.media.ToneGenerator;
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import android.util.Log;
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import android.widget.SlidingDrawer;
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public class DiemensionalCodeControler implements BarCodeReader.DecodeCallback {
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public interface DiemensionalScanListener{
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public void onDiemensionalScanComplete(String result,String error);
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}
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static final int STATE_IDLE = 0;
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static final int STATE_DECODE = 1;
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static final int STATE_HANDSFREE = 2;
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//static final int STATE_PREVIEW = 3; // snapshot preview mode
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//static final int STATE_SNAPSHOT = 4;
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//static final int STATE_VIDEO = 5;
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private BarCodeReader bcr;
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// private SqliteService sqlite;
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private Activity context;
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//private ToneGenerator tg = null;
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//private SoundPool soundpool = null;
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private int trigMode = BarCodeReader.ParamVal.LEVEL;
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private int state = STATE_IDLE;
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private int soundid;
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private BeepManager beepManager;
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private DiemensionalScanListener scanListener;
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private static DiemensionalCodeControler controler;
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static {
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System.loadLibrary("IAL");
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System.loadLibrary("SDL");
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System.loadLibrary("barcodereader");
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}
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private DiemensionalCodeControler(Activity context,DiemensionalScanListener scanListener) {
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open();
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this.context=context;
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this.scanListener=scanListener;
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// sqlite = new SqliteService(context);
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// if(sqlite.getCount() == 0){
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// sqlite.initCodeTpye();
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// }
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beepManager=new BeepManager(context);
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}
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/**
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* 在程序退出时调用
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*/
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public static void setDiemensionalConNull(){
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if(controler!=null){
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controler.setIdle();
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controler.release();
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controler=null;
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}
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}
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public static DiemensionalCodeControler getCodeControler(Activity context,DiemensionalScanListener scanListener) {
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if (controler == null) {
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controler = new DiemensionalCodeControler(context,scanListener);
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}
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return controler;
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}
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private void beep() {
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playSound();
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}
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private synchronized void playSound() {
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beepManager.playBeepSoundAndVibrate();
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}
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public void open() {
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if (bcr == null) {
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try {
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bcr = BarCodeReader.open(1);
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if(bcr!=null)
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bcr.setDecodeCallback(this);
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} catch (Exception e) {
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// TODO: handle exception
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e.printStackTrace();
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throw new RuntimeException("device open failed");
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}
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}
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}
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private void release() {
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try {
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if(beepManager!=null)beepManager.release();
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beepManager=null;
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if (bcr != null)
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bcr.release();
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bcr = null;
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} catch (Exception e) {
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// TODO: handle exception
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e.printStackTrace();
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}
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}
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private int doSetParam(BarCodeReader bcr,int num, int val) {
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String s = "";
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int ret = bcr.setParameter(num, val);
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if (ret != BarCodeReader.BCR_ERROR) {
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if (num == BarCodeReader.ParamNum.PRIM_TRIG_MODE) {
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trigMode = val;
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if (val == BarCodeReader.ParamVal.HANDSFREE) {
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s = "HandsFree";
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} else if (val == BarCodeReader.ParamVal.AUTO_AIM) {
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s = "AutoAim";
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ret = bcr
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.startHandsFreeDecode(BarCodeReader.ParamVal.AUTO_AIM);
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if (ret != BarCodeReader.BCR_SUCCESS) {
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//dspErr("AUtoAIm start FAILED");
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}
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} else if (val == BarCodeReader.ParamVal.LEVEL) {
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s = "Level";
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}
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} else if (num == BarCodeReader.ParamNum.IMG_VIDEOVF) {
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//if (snapPreview = (val == 1))
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// s = "SnapPreview";
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}
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} else{
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s = " FAILED (" + ret + ")";
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}
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//dspStat(": Set #" + num + " to " + val + " " + s);
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return ret;
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}
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private int setIdle() {
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int prevState = state;
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int ret = prevState; // for states taking time to chg/end
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state = STATE_IDLE;
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switch (prevState) {
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case STATE_HANDSFREE: //当前状态为自动扫描
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resetTrigger(); //取消自动扫描
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break;
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case STATE_DECODE: //当前状态了正在扫描
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//dspStat("decode stopped");
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bcr.stopDecode(); //取消扫描
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break;
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default:
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ret = STATE_IDLE;
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}
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return ret;
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}
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private void resetTrigger() {
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doSetParam(bcr,BarCodeReader.ParamNum.PRIM_TRIG_MODE,
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BarCodeReader.ParamVal.LEVEL);
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trigMode = BarCodeReader.ParamVal.LEVEL;
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}
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/**
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* 启动连续扫描
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* @return
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*/
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public boolean doHandsFree(){
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System.out.println("长按----------------------------------------");
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if (setIdle() != STATE_IDLE)
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return false;
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int ret = bcr.startHandsFreeDecode(BarCodeReader.ParamVal.HANDSFREE);
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System.out.println("长按----------------------------------------");
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//判断返回值ret 若不等于0 启动连续扫描失败
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if (ret != BarCodeReader.BCR_SUCCESS){
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return false;
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//dspStat("startHandFree FAILED");
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}else {
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trigMode = BarCodeReader.ParamVal.HANDSFREE;
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state = STATE_HANDSFREE; //状态为连续扫描
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return true;
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//dspStat("HandsFree decoding");
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}
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}
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private boolean doDecode() {
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if (setIdle() != STATE_IDLE)
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return false;
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state = STATE_DECODE;
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//dspData("");
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// dspStat(R.string.decoding);
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bcr.startDecode(); // start decode (callback gets results)
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return true;
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}
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/**
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* 启动一次性扫描
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* @return
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*/
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public boolean start(){
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doSetParam(bcr,298, 1);
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doSetParam(bcr,306, 1);
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return doDecode();
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}
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/**
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* 停止扫描，适应一次或连续
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*/
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public void stop(){
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if(state==STATE_DECODE)bcr.stopDecode();
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if(state==STATE_HANDSFREE)resetTrigger();
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state=STATE_IDLE;
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}
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public void onDecodeComplete(int symbology, int length, byte[] data,
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BarCodeReader reader) {
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// TODO Auto-generated method stub
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if(state == STATE_DECODE){
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stop();
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}
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if (length > 0) {
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//if (isHandsFree() == false && isAutoAim() == false)
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//bcr.stopDecode();
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if (symbology == 0x99) // type 99?
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{
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symbology = data[0];
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int n = data[1];
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int s = 2;
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int d = 0;
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int len = 0;
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byte d99[] = new byte[data.length];
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for (int i = 0; i < n; ++i) {
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s += 2;
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len = data[s++];
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System.arraycopy(data, s, d99, d, len);
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s += len;
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d += len;
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}
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d99[d] = 0;
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data = d99;
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}
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// String codeType = sqlite.searchCode(symbology);
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// if(codeType == null || codeType.equals("") ){//未知条码 类型
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// //dspStat("[" + decodes + "] type: " + "unknown type" + " len: " + length);
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// scanListener.onDiemensionalScanComplete(null, "未知条码类型");
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// return;
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// }else{
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// //dspStat("[" + decodes + "] type: " + codeType + " len: " + length);
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// }
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// dspData(byte2hex(data));
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try{
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String Result = new String(data,"GB2312");
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scanListener.onDiemensionalScanComplete(Result, null);
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//dspData(isSettingCode(SDLguiActivity.this,Result));
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}catch(Exception e){
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Log.i("info", "excption == "+e.getMessage());
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scanListener.onDiemensionalScanComplete(null, "转码错误");
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}
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beep();
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} else // no-decode
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{
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//dspData("");
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//根据length来判断当前状态
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switch (length) {
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case BarCodeReader.DECODE_STATUS_TIMEOUT: //解码超时， 在指定的时间内没有扫到码
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//dspStat("decode timed out");
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scanListener.onDiemensionalScanComplete(null, "解码超时");
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break;
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case BarCodeReader.DECODE_STATUS_CANCELED: //取消扫描
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//dspStat("decode cancelled");
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scanListener.onDiemensionalScanComplete(null, "取消扫描");
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break;
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case BarCodeReader.DECODE_STATUS_ERROR: //扫描出错
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default:
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// dspStat("decode failed");
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scanListener.onDiemensionalScanComplete(null, "扫描出错");
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break;
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}
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}
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}
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public void onEvent(int event, int info, byte[] data, BarCodeReader reader) {
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// TODO Auto-generated method stub
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}
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}
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