code: private void saveSettings() {
          mPinViewSettings = new PinViewSettings.Builder()
                  .withColorSplit(mColorSplit)
                  .withColorTextPinBox(mColorTextPinBoxes)
                  .withColorTextTitles(mColorTextTitles)
                  .withCustomDrawablePinBox(mCustomDrawablePinBox)
                  .withDeleteOnClick(isDeleteOnClick())
                  .withNativePinBox(isNativePinBox())
                  .withSplit(getSplit())
                  .withMaskPassword(isMaskPassword())
                  .withKeyboardMandatory(isKeyboardMandatory())
                  .withNumberCharacters(getNumberCharacters())
                  .withSizeSplit(getSizeSplit())
                  .withTextSizePinBox(getTextSizePinBoxes())
                  .withTextSizeTitles(getTextSizeTitles())
                  .withNumberPinBoxes(getNumberPinBoxes())
                  .withPinTitles(getPinTitles())
                  .build();
      }
docs: Save current attributes in {@link PinView#mPinViewSettings}