Examples with UsbDevice android.hardware.usb.UsbDevice used on opensource projects

Example 26 with UsbDevice

use of android.hardware.usb.UsbDevice in project android_frameworks_base by crdroidandroid.

the class UsbAlsaManager method dump.

//
// Logging
//
public void dump(IndentingPrintWriter pw) {
    pw.println("USB Audio Devices:");
    for (UsbDevice device : mAudioDevices.keySet()) {
        pw.println("  " + device.getDeviceName() + ": " + mAudioDevices.get(device));
    }
    pw.println("USB MIDI Devices:");
    for (UsbDevice device : mMidiDevices.keySet()) {
        pw.println("  " + device.getDeviceName() + ": " + mMidiDevices.get(device));
    }
}

Example 27 with UsbDevice

use of android.hardware.usb.UsbDevice in project android_frameworks_base by crdroidandroid.

the class UsbHostManager method usbDeviceRemoved.

/* Called from JNI in monitorUsbHostBus to report USB device removal */
private void usbDeviceRemoved(String deviceName) {
    synchronized (mLock) {
        UsbDevice device = mDevices.remove(deviceName);
        if (device != null) {
            mUsbAlsaManager.usbDeviceRemoved(device);
            getCurrentSettings().deviceDetached(device);
        }
    }
}

Example 28 with UsbDevice

use of android.hardware.usb.UsbDevice in project android_frameworks_base by AOSPA.

the class MtpManager method openDevice.

synchronized MtpDeviceRecord openDevice(int deviceId) throws IOException {
    UsbDevice rawDevice = null;
    for (final UsbDevice candidate : mManager.getDeviceList().values()) {
        if (candidate.getDeviceId() == deviceId) {
            rawDevice = candidate;
            break;
        }
    }
    ensureNotNull(rawDevice, "Not found USB device: " + deviceId);
    if (!mManager.hasPermission(rawDevice)) {
        mManager.grantPermission(rawDevice);
        if (!mManager.hasPermission(rawDevice)) {
            throw new IOException("Failed to grant a device permission.");
        }
    }
    final MtpDevice device = new MtpDevice(rawDevice);
    final UsbDeviceConnection connection = ensureNotNull(mManager.openDevice(rawDevice), "Failed to open a USB connection.");
    if (!device.open(connection)) {
        // We cannot open connection when another application use the device.
        throw new BusyDeviceException();
    }
    // Handle devices that fail to obtain storages just after opening a MTP session.
    final int[] storageIds = ensureNotNull(device.getStorageIds(), "Not found MTP storages in the device.");
    mDevices.put(deviceId, device);
    return createDeviceRecord(rawDevice);
}

Example 29 with UsbDevice

use of android.hardware.usb.UsbDevice in project android_frameworks_base by AOSPA.

the class ReceiverActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(getIntent().getAction())) {
        final UsbDevice device = getIntent().getParcelableExtra(UsbManager.EXTRA_DEVICE);
        try {
            final MtpDocumentsProvider provider = MtpDocumentsProvider.getInstance();
            provider.openDevice(device.getDeviceId());
            final String deviceRootId = provider.getDeviceDocumentId(device.getDeviceId());
            final Uri uri = DocumentsContract.buildRootUri(MtpDocumentsProvider.AUTHORITY, deviceRootId);
            final Intent intent = new Intent(DocumentsContract.ACTION_BROWSE);
            intent.setData(uri);
            intent.addCategory(Intent.CATEGORY_DEFAULT);
            intent.putExtra(DocumentsContract.EXTRA_FANCY_FEATURES, true);
            this.startActivity(intent);
        } catch (IOException exception) {
            Log.e(MtpDocumentsProvider.TAG, "Failed to open device", exception);
        }
    }
    finish();
}

Example 30 with UsbDevice

use of android.hardware.usb.UsbDevice in project android-uploader by nightscout.

the class SyncingService method isG4Connected.

public static boolean isG4Connected(Context c) {
    // Iterate through devices and see if the dexcom is connected
    // Allowing us to start to start syncing if the G4 is already connected
    // vendor-id="8867" product-id="71" class="2" subclass="0" protocol="0"
    UsbManager manager = (UsbManager) c.getSystemService(Context.USB_SERVICE);
    if (manager == null)
        return false;
    HashMap<String, UsbDevice> deviceList = manager.getDeviceList();
    Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();
    boolean g4Connected = false;
    while (deviceIterator.hasNext()) {
        UsbDevice device = deviceIterator.next();
        if (device.getVendorId() == 8867 && device.getProductId() == 71 && device.getDeviceClass() == 2 && device.getDeviceSubclass() == 0 && device.getDeviceProtocol() == 0) {
            g4Connected = true;
        }
    }
    return g4Connected;
}