private void executeAPDUCommands(final byte[][] commands) { reader.sleep(); cordova .getThreadPool() .execute( new Runnable() { @Override public void run() { reader.setMute(false); reader.reset( new AudioJackReader.OnResetCompleteListener() { @Override public void onResetComplete(AudioJackReader audioJackReader) { if (!reader.piccPowerOn(5, 0x8F)) Log.w(TAG, "Error"); for (byte[] command : commands) { reader.piccTransmit(5, command); } reader.piccPowerOff(); } }); } }); }