Java UsbInterface.getInterfaceClass方法代碼示例

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
public static UsbHidDevice[] enumerate(Context context, int vid, int pid) throws Exception {
    UsbManager usbManager = (UsbManager) context.getApplicationContext().getSystemService(Context.USB_SERVICE);
    if (usbManager == null) {
        throw new Exception("no usb service");
    }

    Map<String, UsbDevice> devices = usbManager.getDeviceList();
    List<UsbHidDevice> usbHidDevices = new ArrayList<>();
    for (UsbDevice device : devices.values()) {
        if ((vid == 0 || device.getVendorId() == vid) && (pid == 0 || device.getProductId() == pid)) {
            for (int i = 0; i < device.getInterfaceCount(); i++) {
                UsbInterface usbInterface = device.getInterface(i);
                if (usbInterface.getInterfaceClass() == INTERFACE_CLASS_HID) {
                    UsbHidDevice hidDevice = new UsbHidDevice(device, usbInterface, usbManager);
                    usbHidDevices.add(hidDevice);
                }
            }
        }
    }
    return usbHidDevices.toArray(new UsbHidDevice[usbHidDevices.size()]);
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
public static boolean isCdcDevice(UsbDevice device)
{
    int iIndex = device.getInterfaceCount();
    for(int i=0;i<=iIndex-1;i++)
    {
        UsbInterface iface = device.getInterface(i);
        if(iface.getInterfaceClass() == UsbConstants.USB_CLASS_CDC_DATA)
            return true;
    }
    return false;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
/**
 * Request a device access permission if there is a MIDI interface in the device.
 *
 * @param device a USB device
 */
private void requestDevicePermissionIfNecessary(UsbDevice device) {
    for (UsbDevice d : mRequestedDevices) {
        if (d.getDeviceId() == device.getDeviceId()) {
            // It is already requested.
            return;
        }
    }

    for (int i = 0; i < device.getInterfaceCount(); ++i) {
        UsbInterface iface = device.getInterface(i);
        if (iface.getInterfaceClass() == UsbConstants.USB_CLASS_AUDIO
                && iface.getInterfaceSubclass() == UsbMidiDeviceAndroid.MIDI_SUBCLASS) {
            // There is at least one interface supporting MIDI.
            mUsbManager.requestPermission(device,
                    PendingIntent.getBroadcast(ContextUtils.getApplicationContext(), 0,
                            new Intent(ACTION_USB_PERMISSION), 0));
            mRequestedDevices.add(device);
            break;
        }
    }
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
/**
 * Constructs a UsbMidiDeviceAndroid.
 * @param manager
 * @param device The USB device which this object is assocated with.
 */
UsbMidiDeviceAndroid(UsbManager manager, UsbDevice device) {
    mConnection = manager.openDevice(device);
    mEndpointMap = new HashMap<Integer, UsbEndpoint>();
    mRequestMap = new HashMap<UsbEndpoint, UsbRequest>();

    for (int i = 0; i < device.getInterfaceCount(); ++i) {
        UsbInterface iface = device.getInterface(i);
        if (iface.getInterfaceClass() != UsbConstants.USB_CLASS_AUDIO ||
            iface.getInterfaceSubclass() != MIDI_SUBCLASS) {
            continue;
        }
        mConnection.claimInterface(iface, true);
        for (int j = 0; j < iface.getEndpointCount(); ++j) {
            UsbEndpoint endpoint = iface.getEndpoint(j);
            if (endpoint.getDirection() == UsbConstants.USB_DIR_OUT) {
                mEndpointMap.put(endpoint.getEndpointNumber(), endpoint);
            }
        }
    }
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
private UsbInterface findUsbInterface(UsbDevice device) {
    //Log.d (TAG, "findAdbInterface " + device.getDeviceName());
    int count = device.getInterfaceCount();
    for (int i = 0; i < count; i++) {
        UsbInterface intf = device.getInterface(i);
        Log.d (TAG, "Interface " +i + " Class " +intf.getInterfaceClass() +" Prot " +intf.getInterfaceProtocol());
        if (intf.getInterfaceClass() == 6
            //255 && intf.getInterfaceSubclass() == 66 && intf.getInterfaceProtocol() == 1
                ) {
            return intf;
        }
    }
    return null;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
protected UsbInterface findUsbInterface(UsbDevice device) {
	//Log.d (TAG, "findAdbInterface " + device.getDeviceName());
	int count = device.getInterfaceCount();
	for (int i = 0; i < count; i++) {
		UsbInterface intf = device.getInterface(i);
		Log.d (TAG, "Interface " +i + " Class " +intf.getInterfaceClass() +" Prot " +intf.getInterfaceProtocol());
		if (intf.getInterfaceClass() == 6
				//255 && intf.getInterfaceSubclass() == 66 && intf.getInterfaceProtocol() == 1
				) {
			return intf;
		}
	}
	return null;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
static private UsbInterface findAdbInterface(UsbDevice device) {
    Log.d(TAG, "findAdbInterface " + device);
    int count = device.getInterfaceCount();
    for (int i = 0; i < count; i++) {
        UsbInterface intf = device.getInterface(i);
        if (intf.getInterfaceClass() == 255 && intf.getInterfaceSubclass() == 66 &&
                intf.getInterfaceProtocol() == 1) {
            return intf;
        }
    }
    return null;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
static private UsbInterface findAdbInterface(android.hardware.usb.UsbDevice device) {

        int count = device.getInterfaceCount();
        for (int i = 0; i < count; i++) {
            UsbInterface intf = device.getInterface(i);
            if (intf.getInterfaceClass() == 3
                    && intf.getInterfaceSubclass() == 0
                    && intf.getInterfaceProtocol() == 0) {
                return intf;
            }
        }
        return null;
    }
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
/**
 * Tests to see if a {@link android.hardware.usb.UsbDevice}
 * supports the PTP protocol (typically used by digital cameras)
 *
 * @param device the device to test
 * @return true if the device is a PTP device.
 */
static public boolean isCamera(UsbDevice device) {
    int count = device.getInterfaceCount();
    for (int i = 0; i < count; i++) {
        UsbInterface intf = device.getInterface(i);
        if (intf.getInterfaceClass() == UsbConstants.USB_CLASS_STILL_IMAGE &&
                intf.getInterfaceSubclass() == 1 &&
                intf.getInterfaceProtocol() == 1) {
            return true;
        }
    }
    return false;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
/**
 * Constructs a UsbMidiDeviceAndroid.
 * @param manager
 * @param device The USB device which this object is assocated with.
 */
UsbMidiDeviceAndroid(UsbManager manager, UsbDevice device) {
    mConnection = manager.openDevice(device);
    mEndpointMap = new SparseArray<UsbEndpoint>();
    mRequestMap = new HashMap<UsbEndpoint, UsbRequest>();
    mHandler = new Handler();
    mUsbDevice = device;
    mIsClosed = false;
    mHasInputThread = false;
    mNativePointer = 0;

    for (int i = 0; i < device.getInterfaceCount(); ++i) {
        UsbInterface iface = device.getInterface(i);
        if (iface.getInterfaceClass() != UsbConstants.USB_CLASS_AUDIO
                || iface.getInterfaceSubclass() != MIDI_SUBCLASS) {
            continue;
        }
        mConnection.claimInterface(iface, true);
        for (int j = 0; j < iface.getEndpointCount(); ++j) {
            UsbEndpoint endpoint = iface.getEndpoint(j);
            if (endpoint.getDirection() == UsbConstants.USB_DIR_OUT) {
                mEndpointMap.put(endpoint.getEndpointNumber(), endpoint);
            }
        }
    }
    // Start listening for input endpoints.
    // This function will create and run a thread if there is USB-MIDI endpoints in the
    // device. Note that because UsbMidiDevice is shared among all tabs and the thread
    // will be terminated when the device is disconnected, at most one thread can be created
    // for each connected USB-MIDI device.
    startListen(device);
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
/**
 * Enumerates USB-MIDI devices.
 * If there are devices having USB-MIDI interfaces, this function requests permission for
 * accessing the device to the user.
 * When the permission request is accepted or rejected onRequestDone will be called.
 *
 * If there are no USB-MIDI interfaces, this function returns false.
 * @return true if some permission requests are in progress.
 */
@CalledByNative
boolean enumerateDevices(Context context) {
    mUsbManager = (UsbManager)context.getSystemService(Context.USB_SERVICE);
    Map<String, UsbDevice> devices = mUsbManager.getDeviceList();
    PendingIntent pendingIntent = PendingIntent.getBroadcast(
            context, 0, new Intent(ACTION_USB_PERMISSION), 0);
    mRequestedDevices = new HashSet<UsbDevice>();
    for (UsbDevice device : devices.values()) {
        boolean found = false;
        for (int i = 0; i < device.getInterfaceCount() && !found; ++i) {
            UsbInterface iface = device.getInterface(i);
            if (iface.getInterfaceClass() == UsbConstants.USB_CLASS_AUDIO &&
                iface.getInterfaceSubclass() == UsbMidiDeviceAndroid.MIDI_SUBCLASS) {
                found = true;
            }
        }
        if (found) {
            mUsbManager.requestPermission(device, pendingIntent);
            mRequestedDevices.add(device);
        }
    }
    if (mRequestedDevices.isEmpty()) {
        // No USB-MIDI devices are found.
        return false;
    }

    IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
    mReceiver = new BroadcastReceiver() {
        public void onReceive(Context context, Intent intent) {
            if (ACTION_USB_PERMISSION.equals(intent.getAction())) {
                onRequestDone(context, intent);
            }
        }
    };
    context.registerReceiver(mReceiver, filter);
    return true;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
public static UsbInterface findMidiInterface(UsbDevice device) {
  int count = device.getInterfaceCount();
  for (int i = 0; i < count; i++) {
    UsbInterface usbIf = device.getInterface(i);
    if (usbIf.getInterfaceClass() == 1 && usbIf.getInterfaceSubclass() == 3) {
      return usbIf;
    }
  }
  return null;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
private final void refreshDevice() {
	if (mUsbMonitor == null) {
		return;
	}
	camList = null;
	List<UsbDevice> allDev = mUsbMonitor.getDeviceList();

	if (allDev.size() <= 0) {
		return;
	}
	
	for (UsbDevice d : allDev) {
		boolean isVideoDev = false;

		if (d.getInterfaceCount() <= 0) {
			if (d.getDeviceClass() == 239 && d.getDeviceSubclass() == 2) {
				isVideoDev = true;
			}
		} else {
			for (int i = 0; i < d.getInterfaceCount(); i++) {
				UsbInterface in = d.getInterface(0);
				if (in == null) {
					continue;
				}
				if (in.getInterfaceClass() == 14) {
					isVideoDev = true;
					break;
				}
			}
		}

		if (isVideoDev) {
			if (camList == null) {
				camList = new ArrayList<UsbDevice>();
			}
			camList.add(d);
		}

	}
	if (camList == null) {
		System.out.println("v4l no device");
	} else {
		Collections.sort(camList, new Comparator<UsbDevice>(){
			@Override
			public int compare(UsbDevice left, UsbDevice right) {
				return (left.getDeviceName().compareTo(right.getDeviceName()));
			}
		});
	}
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
private boolean filterDevice(UsbDevice device, JSONArray filters) throws JSONException {
    if (filters == null) {
        return true;
    }
    Log.d(TAG, "filtering " + filters);
    for (int filterIdx = 0; filterIdx < filters.length(); filterIdx++) {
        JSONObject filter = filters.getJSONObject(filterIdx);
        int vendorId = filter.optInt("vendorId", -1);
        if (vendorId != -1) {
            if (device.getVendorId() != vendorId) {
                continue;
            }
        }
        int productId = filter.optInt("productId", -1);
        if (productId != -1) {
            if (device.getProductId() != productId) {
                continue;
            }
        }
        int interfaceClass = filter.optInt("interfaceClass", -1);
        int interfaceSubclass = filter.optInt("interfaceSubclass", -1);
        int interfaceProtocol = filter.optInt("interfaceProtocol", -1);
        if (interfaceClass == -1 && interfaceSubclass == -1 && interfaceProtocol == -1) {
            return true;
        }
        int interfaceCount = device.getInterfaceCount();
        for (int interfaceIdx = 0; interfaceIdx < interfaceCount; interfaceIdx++) {
            UsbInterface usbInterface = device.getInterface(interfaceIdx);
            if (interfaceClass != -1) {
                if (interfaceClass != usbInterface.getInterfaceClass()) {
                    continue;
                }
            }
            if (interfaceSubclass != -1) {
                if (interfaceSubclass != usbInterface.getInterfaceSubclass()) {
                    continue;
                }
            }
            if (interfaceProtocol != -1) {
                if (interfaceProtocol != usbInterface.getInterfaceProtocol()) {
                    continue;
                }
            }
            return true;
        }
    }
    return false;
}
 

import android.hardware.usb.UsbInterface; //導入方法依賴的package包/類
public synchronized void open() throws IOException {
    if (usbDevice == null) throw new IllegalArgumentException("Device can't be null");

    if (usbInterface == null) {
        for (int i = 0; i < usbDevice.getInterfaceCount(); i++) {
            UsbInterface usbIf = usbDevice.getInterface(i);
            if (usbIf.getInterfaceClass() == UsbConstants.USB_CLASS_CSCID) {
                usbInterface = usbIf;
            }
        }
        if (usbInterface == null)
            throw new IllegalStateException("The device hasn't a smart card reader");
    }

    usbConnection = usbManager.openDevice(usbDevice);
    usbConnection.claimInterface(usbInterface, true);
    sequence = 0;

    //Get the interfaces
    for (int i = 0; i < usbInterface.getEndpointCount(); i++) {
        UsbEndpoint usbEp = usbInterface.getEndpoint(i);
        if (usbEp.getDirection() == UsbConstants.USB_DIR_IN && usbEp.getType() == UsbConstants.USB_ENDPOINT_XFER_INT) {
            usbInterrupt = usbEp;
        }
        if (usbEp.getDirection() == UsbConstants.USB_DIR_OUT && usbEp.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
            usbOut = usbEp;
        }
        if (usbEp.getDirection() == UsbConstants.USB_DIR_IN && usbEp.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK) {
            usbIn = usbEp;
        }
    }

    //check for pinPad
    CCIDDescriptor desc = CCIDDescriptor.Parse(usbConnection.getRawDescriptors()).get(usbInterface.getId());
    pinPad = desc.getPinSupports().contains(CCIDDescriptor.PINSupport.Verification);
    supportApdu = desc.getFeatures().contains(CCIDDescriptor.Feature.ShortAPDU) || desc.getFeatures().contains(CCIDDescriptor.Feature.ShortAndExtendedAPDU);
    autoInit = desc.getFeatures().contains(CCIDDescriptor.Feature.AutoParamConfigViaATR);

    //Listen for state changes
    setupStateListener();
}