android監聽SIM狀態

android監聽SIM狀態

1. /*
2. 監聽sim狀態改變的廣播，返回sim卡的狀態， 有效或者無效。
3. 雙卡中只要有一張卡的狀態有效即返回狀態為有效，兩張卡都無效則返回無效。
4. */
5. import android.app.Service;
6. import android.content.BroadcastReceiver;
7. import android.content.Context;
8. import android.content.Intent;
9. import android.telephony.TelephonyManager;
10.  
11. public class SimStateReceive extends BroadcastReceiver {
12. private final static String ACTION_SIM_STATE_CHANGED = "android.intent.action.SIM_STATE_CHANGED";
13. private final static int SIM_VALID = 0;
14. private final static int SIM_INVALID = 1;
15. private int simState = SIM_INVALID;
16.  
17. public int getSimState() {
18. return simState;
19. }
20.  
21. @Override
22. public void onReceive(Context context, Intent intent) {
23. if (intent.getAction().equals(ACTION_SIM_STATE_CHANGED)) {
24. TelephonyManager tm = (TelephonyManager)context.getSystemService(Service.TELEPHONY_SERVICE);
25. int state = tm.getSimState();
26. switch (state) {
27. case TelephonyManager.SIM_STATE_READY :
28. simState = SIM_VALID;
29. break;
30. case TelephonyManager.SIM_STATE_UNKNOWN :
31. case TelephonyManager.SIM_STATE_ABSENT :
32. case TelephonyManager.SIM_STATE_PIN_REQUIRED :
33. case TelephonyManager.SIM_STATE_PUK_REQUIRED :
34. case TelephonyManager.SIM_STATE_NETWORK_LOCKED :
35. default:
36. simState = SIM_INVALID;
37. break;
38. }
39. }
40. }
41.  
42. }