Examples with ParcelFileDescriptor android.os.ParcelFileDescriptor used on opensource projects

Example 66 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project XobotOS by xamarin.

the class BluetoothHealthProfileHandler method onHealthDeviceChannelChanged.

/*package*/
void onHealthDeviceChannelChanged(String devicePath, String channelPath, boolean exists) {
    debugLog("onHealthDeviceChannelChanged: devicePath: " + devicePath + "ChannelPath: " + channelPath + "Exists: " + exists);
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    String address = mBluetoothService.getAddressFromObjectPath(devicePath);
    if (address == null)
        return;
    BluetoothDevice device = adapter.getRemoteDevice(address);
    BluetoothHealthAppConfiguration config;
    int state, prevState = BluetoothHealth.STATE_CHANNEL_DISCONNECTED;
    ParcelFileDescriptor fd;
    HealthChannel channel;
    config = findHealthApplication(device, channelPath);
    if (exists) {
        channel = findConnectingChannel(device, config);
        if (channel == null) {
            channel = new HealthChannel(device, config, null, false, channelPath);
            channel.mState = BluetoothHealth.STATE_CHANNEL_DISCONNECTED;
            mHealthChannels.add(channel);
        }
        channel.mChannelPath = channelPath;
        fd = mBluetoothService.getChannelFdNative(channelPath);
        if (fd == null) {
            errorLog("Error obtaining fd for channel:" + channelPath);
            disconnectChannel(device, config, channel.mId);
            return;
        }
        boolean mainChannel = getMainChannel(device, config) == null ? false : true;
        if (!mainChannel) {
            String mainChannelPath = mBluetoothService.getMainChannelNative(devicePath);
            if (mainChannelPath == null) {
                errorLog("Main Channel Path is null for devicePath:" + devicePath);
                return;
            }
            if (mainChannelPath.equals(channelPath))
                mainChannel = true;
        }
        channel.mChannelFd = fd;
        channel.mMainChannel = mainChannel;
        prevState = channel.mState;
        state = BluetoothHealth.STATE_CHANNEL_CONNECTED;
    } else {
        channel = findChannelByPath(device, channelPath);
        if (channel == null) {
            errorLog("Channel not found:" + config + ":" + channelPath);
            return;
        }
        mHealthChannels.remove(channel);
        channel.mChannelFd = null;
        prevState = channel.mState;
        state = BluetoothHealth.STATE_CHANNEL_DISCONNECTED;
    }
    channel.mState = state;
    callHealthChannelCallback(config, device, prevState, state, channel.mChannelFd, channel.mId);
}

Example 67 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project XobotOS by xamarin.

the class SoundPool method load.

/**
     * Load the sound from the specified path.
     *
     * @param path the path to the audio file
     * @param priority the priority of the sound. Currently has no effect. Use
     *                 a value of 1 for future compatibility.
     * @return a sound ID. This value can be used to play or unload the sound.
     */
public int load(String path, int priority) {
    // pass network streams to player
    if (path.startsWith("http:"))
        return _load(path, priority);
    // try local path
    int id = 0;
    try {
        File f = new File(path);
        if (f != null) {
            ParcelFileDescriptor fd = ParcelFileDescriptor.open(f, ParcelFileDescriptor.MODE_READ_ONLY);
            if (fd != null) {
                id = _load(fd.getFileDescriptor(), 0, f.length(), priority);
                fd.close();
            }
        }
    } catch (java.io.IOException e) {
        Log.e(TAG, "error loading " + path);
    }
    return id;
}

Example 68 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class SerialManager method openSerialPort.

/**
     * Opens and returns the {@link android.hardware.SerialPort} with the given name.
     * The speed of the serial port must be one of:
     * 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600,
     * 19200, 38400, 57600, 115200, 230400, 460800, 500000, 576000, 921600, 1000000, 1152000,
     * 1500000, 2000000, 2500000, 3000000, 3500000 or 4000000
     *
     * @param name of the serial port
     * @param speed at which to open the serial port
     * @return the serial port
     */
public SerialPort openSerialPort(String name, int speed) throws IOException {
    try {
        ParcelFileDescriptor pfd = mService.openSerialPort(name);
        if (pfd != null) {
            SerialPort port = new SerialPort(name);
            port.open(pfd, speed);
            return port;
        } else {
            throw new IOException("Could not open serial port " + name);
        }
    } catch (RemoteException e) {
        throw e.rethrowFromSystemServer();
    }
}

Example 69 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class DocumentsProvider method openAssetFile.

/**
     * Implementation is provided by the parent class. Cannot be overriden.
     *
     * @see #openDocument(String, String, CancellationSignal)
     */
@Override
@SuppressWarnings("resource")
public final AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException {
    enforceTree(uri);
    final ParcelFileDescriptor fd = openDocument(getDocumentId(uri), mode, null);
    return fd != null ? new AssetFileDescriptor(fd, 0, -1) : null;
}

Example 70 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class DocumentsContract method openImageThumbnail.

/**
     * Open the given image for thumbnail purposes, using any embedded EXIF
     * thumbnail if available, and providing orientation hints from the parent
     * image.
     *
     * @hide
     */
public static AssetFileDescriptor openImageThumbnail(File file) throws FileNotFoundException {
    final ParcelFileDescriptor pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
    Bundle extras = null;
    try {
        final ExifInterface exif = new ExifInterface(file.getAbsolutePath());
        switch(exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1)) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 90);
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 180);
                break;
            case ExifInterface.ORIENTATION_ROTATE_270:
                extras = new Bundle(1);
                extras.putInt(EXTRA_ORIENTATION, 270);
                break;
        }
        final long[] thumb = exif.getThumbnailRange();
        if (thumb != null) {
            return new AssetFileDescriptor(pfd, thumb[0], thumb[1], extras);
        }
    } catch (IOException e) {
    }
    return new AssetFileDescriptor(pfd, 0, AssetFileDescriptor.UNKNOWN_LENGTH, extras);
}