VISAだけVISAのタッチ決済という名称 0820名無しさん@ご利用は計画的に (HappyBirthday! MMd2-hvmM)2019/11/20(水) 10:46:22.08ID:+KZThR0aMHAPPY>>811 https://developer.android.com/guide/topics/connectivity/nfc/hce Current Android implementations turn the NFC controller and the application processor off completely when the screen of the device is turned off. HCE services will therefore not work when the screen is off.