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android監聽SIM狀態

編輯：關於Android編程

/*
監聽sim狀態改變的廣播，返回sim卡的狀態，有效或者無效。
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。
*/
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.TelephonyManager;
public class SimStateReceive extends BroadcastReceiver {
private final static String ACTION_SIM_STATE_CHANGED = "android.intent.action.SIM_STATE_CHANGED";
private final static int SIM_VALID = 0;
private final static int SIM_INVALID = 1;
private int simState = SIM_INVALID;
public int getSimState() {
return simState;
}
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(ACTION_SIM_STATE_CHANGED)) {
TelephonyManager tm = (TelephonyManager)context.getSystemService(Service.TELEPHONY_SERVICE);
int state = tm.getSimState();
switch (state) {
case TelephonyManager.SIM_STATE_READY :
simState = SIM_VALID;
break;
case TelephonyManager.SIM_STATE_UNKNOWN :
case TelephonyManager.SIM_STATE_ABSENT :
case TelephonyManager.SIM_STATE_PIN_REQUIRED :
case TelephonyManager.SIM_STATE_PUK_REQUIRED :
case TelephonyManager.SIM_STATE_NETWORK_LOCKED :
default:
simState = SIM_INVALID;
break;
}
}
}
}