Android POS开发

引言:
有Landi,Newland,银联等智能pos机开发,本文档以MagCard为例,其他相关操作调用类似,本文档仅供学习

详情:
Landi相关文档和newland相关文档,都以MagCard为例

流程:

Landi pos机MagCard调用流程:
1:导入landi提供的eptapilibrary.jar包

compile files('src/main/jniLibs/armeabi/eptapilibrary.jar')

2:初始化MagCardReader,通过调用getInstance方法

MagCardReader.getInstance().searchCard(listener);

3:在activity中使用范例

 MagCardReader.OnSearchListener listener = new MagCardReader.OnSearchListener() {@Overridepublic void onCrash() {}@Overridepublic void onFail(int code) {String errorMessage = getErrorDescription(code);showErrorMessage("ERROR ["+errorMessage+"]");}@Overridepublic void onCardStriped(boolean[] hasTrack, String[] track) {StringBuilder infoBuilder = new StringBuilder();for(int i=0; i<3; i++) {infoBuilder.append("TRACK ");infoBuilder.append(i+1);infoBuilder.append(" - exist ? ");infoBuilder.append(hasTrack[i]);if(hasTrack[i]) {infoBuilder.append(" [");infoBuilder.append(track[i]);infoBuilder.append("]");}infoBuilder.append("\n");}infoBuilder.append("\n\n");infoBuilder.deleteCharAt(infoBuilder.length()-1);displayMagCardInfo(infoBuilder.toString());}@Overridepublic boolean checkValid(int[] trackStates, String[] track) {if(trackStates[1] != TRACK_STATE_NULL && trackStates[1]  != TRACK_STATE_OK) {return false;}if(track[1].length() < 21 || track[1].length() > 37) {return false;}if(track[1].indexOf('=') < 12) {return false;}if(trackStates[1] == TRACK_STATE_NULL && trackStates[2] == TRACK_STATE_NULL) {return false;}return true;};public String getErrorDescription(int code) {switch(code) {case ERROR_NODATA:return "no data";case ERROR_NEEDSTART:return "need restart search";//This error never happenedcase ERROR_INVALID:return "has invalid track";//}return "unknown error - "+code;}};public void searchCard() {try {MagCardReader.getInstance().searchCard(listener);} catch (RequestException e) {e.printStackTrace();}}

Newland POS机MagCard调用流程:
1:导入厂商提供的sdkserviceapi.jar包

2:manifest.xml配置service

 <service android:name=".service.MyService"><intent-filter><action android:name="com.zacloud.device_service" /></intent-filter></service>

3:理解设备接口服务IDeviceService,这是接口具体信息,只是看看而已

public interface IDeviceService extends IInterface {IBinder getBeeper() throws RemoteException;IBinder getLed() throws RemoteException;IBinder getSerialPort() throws RemoteException;IBinder getScanner(int var1) throws RemoteException;IBinder getMagCardReader() throws RemoteException;IBinder getInsertCardReader() throws RemoteException;IBinder getRFCardReader() throws RemoteException;IBinder getPinpad(int var1) throws RemoteException;IBinder getPrinter() throws RemoteException;IBinder getPBOC() throws RemoteException;IBinder getDeviceInfo() throws RemoteException;public abstract static class Stub extends Binder implements IDeviceService {private static final String DESCRIPTOR = "com.zacloud.deviceservice.aidl.IDeviceService";static final int TRANSACTION_getBeeper = 1;static final int TRANSACTION_getLed = 2;static final int TRANSACTION_getSerialPort = 3;static final int TRANSACTION_getScanner = 4;static final int TRANSACTION_getMagCardReader = 5;static final int TRANSACTION_getInsertCardReader = 6;static final int TRANSACTION_getRFCardReader = 7;static final int TRANSACTION_getPinpad = 8;static final int TRANSACTION_getPrinter = 9;static final int TRANSACTION_getPBOC = 10;static final int TRANSACTION_getDeviceInfo = 11;public Stub() {this.attachInterface(this, "com.zacloud.deviceservice.aidl.IDeviceService");}public static IDeviceService asInterface(IBinder obj) {if (obj == null) {return null;} else {IInterface iin = obj.queryLocalInterface("com.zacloud.deviceservice.aidl.IDeviceService");return (IDeviceService)(iin != null && iin instanceof IDeviceService ? (IDeviceService)iin : new IDeviceService.Stub.Proxy(obj));}}public IBinder asBinder() {return this;}public boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException {IBinder _result;IBinder _result;int _arg0;switch(code) {case 1:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getBeeper();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 2:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getLed();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 3:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getSerialPort();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 4:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_arg0 = data.readInt();_result = this.getScanner(_arg0);reply.writeNoException();reply.writeStrongBinder(_result);return true;case 5:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getMagCardReader();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 6:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getInsertCardReader();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 7:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getRFCardReader();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 8:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_arg0 = data.readInt();_result = this.getPinpad(_arg0);reply.writeNoException();reply.writeStrongBinder(_result);return true;case 9:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getPrinter();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 10:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getPBOC();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 11:data.enforceInterface("com.zacloud.deviceservice.aidl.IDeviceService");_result = this.getDeviceInfo();reply.writeNoException();reply.writeStrongBinder(_result);return true;case 1598968902:reply.writeString("com.zacloud.deviceservice.aidl.IDeviceService");return true;default:return super.onTransact(code, data, reply, flags);}}private static class Proxy implements IDeviceService {private IBinder mRemote;Proxy(IBinder remote) {this.mRemote = remote;}public IBinder asBinder() {return this.mRemote;}public String getInterfaceDescriptor() {return "com.zacloud.deviceservice.aidl.IDeviceService";}public IBinder getBeeper() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(1, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getLed() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(2, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getSerialPort() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(3, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getScanner(int cameraId) throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");_data.writeInt(cameraId);this.mRemote.transact(4, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getMagCardReader() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(5, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getInsertCardReader() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(6, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getRFCardReader() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(7, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getPinpad(int kapId) throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");_data.writeInt(kapId);this.mRemote.transact(8, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getPrinter() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(9, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getPBOC() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(10, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}public IBinder getDeviceInfo() throws RemoteException {Parcel _data = Parcel.obtain();Parcel _reply = Parcel.obtain();IBinder _result;try {_data.writeInterfaceToken("com.zacloud.deviceservice.aidl.IDeviceService");this.mRemote.transact(11, _data, _reply, 0);_reply.readException();_result = _reply.readStrongBinder();} finally {_reply.recycle();_data.recycle();}return _result;}}}
}

4:在MyService中绑定和解绑IDeviceService

 private  static IDeviceService deviceService;private ServiceConnection serviceConnection = new ServiceConnection() {@Overridepublic void onServiceDisconnected(ComponentName name) {deviceService = null;}@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {deviceService = IDeviceService.Stub.asInterface(service);}};public void connectDevice(Context paramContext)throws Exception {if (deviceService == null) {Intent intent = new Intent();intent.setPackage("com.zacloud.deviceservice");intent.setAction("com.zacloud.device_service");bindService(intent, serviceConnection, BIND_AUTO_CREATE);} else {}}private void  disconnectDevice() {if (deviceService != null) {try {unbindService(serviceConnection);} catch (Exception e) {e.printStackTrace();} finally {deviceService = null;}} else {}}public static IDeviceService getDeviceService() {return deviceService;}public void onCreate() {super.onCreate();try {connectDevice(this);} catch (Exception e) {e.printStackTrace();}}public void onDestroy() {super.onDestroy();disconnectDevice();}public IBinder onBind(Intent intent) {return null;}public boolean onUnbind(Intent paramIntent) {disconnectDevice();return false;}

5:在MainActivity onCreate()启动MyService

 startService(new Intent(this, MyService.class));

6:在需求activity中初始化IMagCardReader

IMagCardReader magCardReader =IMagCardReader.Stub.asInterface(MyService.getDeviceService().getMagCardReader());

7:调用searchCard()方法,实现MagCardListener

new Thread(new Runnable() {@Overridepublic void run() {try {magCardReader.searchCard(60, new MagCardListener.Stub() {@Overridepublic void onTimeout() throws RemoteException {}@Overridepublic void onSuccess(final Bundle bundle) throws RemoteException {Log.i("magic", "卡号：" + bundle.getString("PAN"));Log.i("magic", "TRACK1：" + bundle.getString("TRACK1"));Log.i("magic", "TRACK2：" + bundle.getString("TRACK2"));Log.i("magic", "TRACK3：" + bundle.getString("TRACK3"));Log.i("magic", "SERVICE_CODE：" + bundle.getString("SERVICE_CODE"));Log.i("magic", "EXPIRED_DATE：" + bundle.getString("EXPIRED_DATE"));runOnUiThread(new Runnable() {@Overridepublic void run() {pan = bundle.get("PAN").toString();if (pan != null) {numEt.setText(pan);}}});}@Overridepublic void onError(int errorCode) throws RemoteException {switch (errorCode) {case 90:Log.i("magic", "刷卡失败");break;case 99:Log.i("magic", "设备服务异常");break;case 100:Log.i("magic", "请求异常");break;default:Log.i("magic", "请求异常");break;}}});} catch (Exception e) {Log.i("magic", "磁条卡寻卡异常");}}}).start();

本文仅供参考,谢谢

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