Android 获取USB扫描枪扫描数据无界面

相关介绍见 http://blog.csdn.net/zhouyuanjing/article/details/78528906

package com.android.accessibility;

import android.accessibilityservice.AccessibilityService;
import android.content.Intent;
import android.text.TextUtils;
import android.util.Log;
import android.view.KeyEvent;
import android.view.accessibility.AccessibilityEvent;
import android.widget.Toast;

import com.chice.scangun.ScanGun;
import com.chice.scangun.ScanGun.ScanGunCallBack;

public class DetectionService extends AccessibilityService {

    final static String TAG = “DetectionService“;
    private ScanGun mScanGun = null;

    @Override
    public int onstartCommand（Intent intent int flags int startId） {
        return START_STICKY;
    }

    @Override
    public void onAccessibilityEvent（AccessibilityEvent arg0） {
        // TODO Auto-generated method stub

    }

    @Override
    public void onInterrupt（） {
        // TODO Auto-generated method stub

    }

    @Override
    protected boolean onKeyEvent（KeyEvent event） {
        // TODO Auto-generated method stub
        if （event.getAction（） == KeyEvent.ACTION_DOWN） {
            int keyCode = event.getKeyCode（）;
            if （keyCode <= 6） {
                return false;
            }
            if （mScanGun.isMaybeScanning（keyCode event）） {
                return true;
            }
        }
        return super.onKeyEvent（event）;
    }

    @Override
    public void onCreate（） {
        // TODO Auto-generated method stub
        mScanGun = new ScanGun（new ScanGunCallBack（） {

            @Override
            public void onScanFinish（String scanResult） {
                if （!TextUtils.isEmpty（scanResult）） {
                    Toast.makeText（DetectionService.this.getbaseContext（）
                            “无界面监听扫描枪数据:“ + scanResult Toast.LENGTH_SHORT）.show（）;
                }
            }
        }）;
        mScanGun.setMaxKeysInterval（50）;
        super.onCreate（）;
    }

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-11-14 11:14  ScanGunAccessibility\
     文件         466  2017-01-04 11:53  ScanGunAccessibility\.classpath
     文件         823  2017-11-14 11:11  ScanGunAccessibility\.project
     目录           0  2017-11-14 10:44  ScanGunAccessibility\.settings\
     文件         173  2017-11-14 11:11  ScanGunAccessibility\.settings\org.eclipse.jdt.core.prefs
     文件         409  2017-11-14 11:10  ScanGunAccessibility\Android.mk
     文件         933  2017-11-14 10:47  ScanGunAccessibility\AndroidManifest.xml
     目录           0  2017-11-14 10:44  ScanGunAccessibility\libs\
     文件        8211  2017-01-20 19:53  ScanGunAccessibility\libs\ChiceScanGun.jar
     文件         781  2017-01-04 11:53  ScanGunAccessibility\proguard-project.txt
     文件         607  2017-11-14 11:11  ScanGunAccessibility\project.properties
     目录           0  2017-11-14 10:44  ScanGunAccessibility\res\
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\drawable-hdpi\
     文件        7658  2017-01-04 11:53  ScanGunAccessibility\res\drawable-hdpi\ic_launcher.png
     目录           0  2017-11-14 10:44  ScanGunAccessibility\res\drawable-ldpi\
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\drawable-mdpi\
     文件        3777  2017-01-04 11:53  ScanGunAccessibility\res\drawable-mdpi\ic_launcher.png
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\drawable-xhdpi\
     文件       12516  2017-01-04 11:53  ScanGunAccessibility\res\drawable-xhdpi\ic_launcher.png
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\drawable-xxhdpi\
     文件       24777  2017-01-04 11:53  ScanGunAccessibility\res\drawable-xxhdpi\ic_launcher.png
     目录           0  2017-11-14 10:44  ScanGunAccessibility\res\layout\
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\values\
     文件         213  2017-01-04 11:53  ScanGunAccessibility\res\values\dimens.xml
     文件         214  2017-11-14 11:12  ScanGunAccessibility\res\values\strings.xml
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\values-zh-rCN\
     文件         211  2017-11-14 11:12  ScanGunAccessibility\res\values-zh-rCN\strings.xml
     目录           0  2017-01-04 11:53  ScanGunAccessibility\res\xml\
     文件         485  2017-11-14 10:48  ScanGunAccessibility\res\xml\detection_service_config.xml
     文件       24862  2017-11-14 11:13  ScanGunAccessibility\ScanGunAccessibility.apk
     目录           0  2017-01-04 11:53  ScanGunAccessibility\src\
............此处省略4个文件信息