Check state of SIM Card - Android android.telephony

Android examples for android.telephony:TelephonyManager

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Description

Check state of SIM Card

Demo Code

import android.content.Context;
import android.telephony.TelephonyManager;

public class Main {

  public static String readSIMCard(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    switch (tm.getSimState()) {
    case TelephonyManager.SIM_STATE_ABSENT:
      return "ABSENT";
    case TelephonyManager.SIM_STATE_UNKNOWN:
      return "UNKNOWN";
    case TelephonyManager.SIM_STATE_NETWORK_LOCKED:
      return "NETWORK_LOCKED";
    case TelephonyManager.SIM_STATE_PIN_REQUIRED:
      return "PIN_REQUIRED";
    case TelephonyManager.SIM_STATE_PUK_REQUIRED:
      return "PUK_REQUIRED";
    }/* w  w w  .j  ava 2s .com*/
    return "";
  }

}

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