question: protected void startNfcSettingsActivity ( ) { if ( android . os . Build . VERSION . SDK_INT >= 16 ) { startActivity ( new Intent ( ACTION_NFC_SETTINGS ) ) ; } else { startActivity ( new Intent ( android . provider . Settings . ACTION_WIRELESS_SETTINGS ) ) ; } }
target:  Launch an activity for NFC (or wireless) settings, so that the user might enable or disable nfc