usb_idcard_reader.zip

package com.hisign.android.test.usb; import android.app.Activity; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.hardware.usb.UsbConstants; import android.hardware.usb.UsbDevice; import android.hardware.usb.UsbDeviceConnection; import android.hardware.usb.UsbEndpoint; import android.hardware.usb.UsbInterface; import android.hardware.usb.UsbManager; import android.os.Bundle; import android.util.Log; import android.view.View; import com.hisign.android.test.R; import java.io.UnsupportedEncodingException; import java.util.HashMap; import java.util.Iterator; import java.util.Map; public class UsbMainActivity extends Activity { private final static String TAG = "lixm_UsbMainActivity"; private UsbManager mUsbManager; private final static String ACTION_DEVICE_PERMISSION = "ACTION_DEVICE_PERMISSION"; private Map<String,UsbEndpoint> mUsbEndpointOutMap; private Map<String,UsbEndpoint> mUsbEndpointInMap; private Map<String,UsbDeviceConnection> mUsbDeviceConnectionMap; private UsbDevice mTargetDevice; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_usb_main); IntentFilter filter = new IntentFilter(); //注册USB设备插入，拔出动作 filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED); filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED); registerReceiver(deviceChangedReceiver, filter); mUsbManager = (UsbManager) this.getSystemService(Context.USB_SERVICE); initMaps(); } BroadcastReceiver deviceChangedReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); if (!isTargetDevice(device)) { return; } String action = intent.getAction(); if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) { usbDeviceInit(device); } else if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) { } } }; /** * 根据设备的PID和VID判断是否是目标设备 * @param device * @return */ private boolean isTargetDevice(UsbDevice device){ boolean isTargetDevice = false; if(device != null){ if(1024 == device.getVendorId() && 50010 ==device.getProductId()){ isTargetDevice = true; } } return isTargetDevice; } /** * 获取目标UsbDevice * @param view */ public void searchUsbDevice(View view) { HashMap<String, UsbDevice> deviceMap = mUsbManager.getDeviceList(); Iterator<UsbDevice> iterator = deviceMap.values().iterator(); while (iterator.hasNext()) { UsbDevice device = iterator.next(); boolean isTargetDevice = isTargetDevice(device); Log.d(TAG,"searchUsbDevice(), deviceName = " + device.getDeviceName() + ", " + device.getVendorId() + ", " + device.getProductId() + ", isTargetDevice = " + isTargetDevice); if (isTargetDevice) { mTargetDevice = device; break; } } //申请USB使用权限 //获取到UsbDevice后需要检查该UsbDevice是否已经获取到使用权限。如果没有权限则要申请USB使用权限 boolean hasPermission = mUsbManager.hasPermission(mTargetDevice); Log.d("lixm","searchDevice() hasPermission = " + hasPermission + ", mTargetDevice = " + mTargetDevice); if (!hasPermission) { IntentFilter filter = new IntentFilter(ACTION_DEVICE_PERMISSION); this.registerReceiver(mUsbPermissionReceiver, filter); PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_DEVICE_PERMISSION), 0); mUsbManager.requestPermission(mTargetDevice, pendingIntent); // 申请获取权限 } if(mTargetDevice != null){ usbDeviceInit(mTargetDevice); } } private void initMaps(){ if(mUsbEndpointOutMap == null){ mUsbEndpointOutMap = new HashMap<>(); }else{ mUsbEndpointOutMap.clear(); } if(mUsbEndpointInMap == null){ mUsbEndpointInMap = new HashMap<>(); }else{ mUsbEndpointInMap.clear(); } if(mUsbDeviceConnectionMap == null){ mUsbDeviceConnectionMap = new HashMap<>(); }else{ mUsbEndpointInMap.clear(); } } /** * 发送数据到USB设备 * * @param view */ public void sendData2UsbDevice(View view) { if(mTargetDevice != null){ readContent(mTargetDevice.getDeviceName()); }else{ Log.d("lixm","sendData2UsbDevice(), mTargetDevice = " + mTargetDevice); } } /** * 授权结果的监听 */ private BroadcastReceiver mUsbPermissionReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (ACTION_DEVICE_PERMISSION.equals(action)) { UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false); if (granted) { //获得了usb使用权限 usbDeviceInit(device); }else{ } } } }; /** * 获取UsbInterface以及对应得UsbEndpoints，UsbDeviceConnection * @param device */ private void usbDeviceInit(UsbDevice device) { mTargetDevice = device; int interfaceCount = device.getInterfaceCount(); UsbInterface usbInterface = null; for (int i = 0; i < interfaceCount; i++) { usbInterface = device.getInterface(i); int interfaceClass = usbInterface.getInterfaceClass(); Log.d("lixm","usbInterface.getInterfaceClass() = " + interfaceClass); if (interfaceClass == UsbConstants.USB_CLASS_CSCID) { break; } } if (usbInterface != null) { //获取UsbDeviceConnection UsbDeviceConnection connection = mUsbManager.openDevice(device); mUsbDeviceConnectionMap.put(device.getDeviceName(),connection); if (connection != null) { if (connection.claimInterface(usbInterface, true)) { for (int j = 0; j < usbInterface.getEndpointCount(); j++) { UsbEndpoint endpoint = usbInterface.getEndpoint(j); //类型为大块传输 if (endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) { if (endpoint.getDirection() == UsbConstants.USB_DIR_OUT) { mUsbEndpointOutMap.put(device.getDeviceName(), endpoint); } else { mUsbEndpointInMap.put(device.getDeviceName(), endpoint); } } } } } } } /** * 读取身份证信息 * @param deviceName * @return */ public int readContent(String deviceName) { Log.d("lixm","readContent start , deviceName = " + deviceName); byte[] recvbuffer = new byte[65536