Examples with BluetoothServerSocket android.bluetooth.BluetoothServerSocket used on opensource projects

Example 1 with BluetoothServerSocket

use of android.bluetooth.BluetoothServerSocket in project kdeconnect-android by KDE.

the class BluetoothLink method sendPackageInternal.

private boolean sendPackageInternal(NetworkPackage np, final Device.SendPackageStatusCallback callback, PublicKey key) {
    try {
        BluetoothServerSocket serverSocket = null;
        if (np.hasPayload()) {
            UUID transferUuid = UUID.randomUUID();
            serverSocket = BluetoothAdapter.getDefaultAdapter().listenUsingRfcommWithServiceRecord("KDE Connect Transfer", transferUuid);
            JSONObject payloadTransferInfo = new JSONObject();
            payloadTransferInfo.put("uuid", transferUuid.toString());
            np.setPayloadTransferInfo(payloadTransferInfo);
        }
        if (key != null) {
            try {
                np = RsaHelper.encrypt(np, key);
            } catch (Exception e) {
                callback.onFailure(e);
                return false;
            }
        }
        sendMessage(np);
        if (serverSocket != null) {
            BluetoothSocket transferSocket = serverSocket.accept();
            try {
                serverSocket.close();
                int idealBufferLength = 4096;
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && transferSocket.getMaxReceivePacketSize() > 0) {
                    idealBufferLength = transferSocket.getMaxReceivePacketSize();
                }
                byte[] buffer = new byte[idealBufferLength];
                int bytesRead;
                long progress = 0;
                InputStream stream = np.getPayload();
                while ((bytesRead = stream.read(buffer)) != -1) {
                    progress += bytesRead;
                    transferSocket.getOutputStream().write(buffer, 0, bytesRead);
                    if (np.getPayloadSize() > 0) {
                        callback.onProgressChanged((int) (100 * progress / np.getPayloadSize()));
                    }
                }
                transferSocket.getOutputStream().flush();
                stream.close();
            } catch (Exception e) {
                callback.onFailure(e);
                return false;
            } finally {
                try {
                    transferSocket.close();
                } catch (IOException ignored) {
                }
            }
        }
        callback.onSuccess();
        return true;
    } catch (Exception e) {
        callback.onFailure(e);
        return false;
    }
}