How to store android application data on sim card using NFC?
问题 I am developing a NFC application. My application will process secret information and I want to store that data on the SIM card. Is it possible, and if it is possible, how can I do this? My phone's android version is Android 2.3.5. 回答1: tl;dr - it is not currently possible without enormous effort. You want to use the SIM card as the Secure Element in Card Emulation mode - this is the approach favoured by GSM Association. To access the Secure Element (on SIM or Integrated Chip), you need to