PhoneStateMonitor.java 文件源码

@Override
public void onServiceStateChanged(ServiceState serviceState){      
  if (serviceState.getState() == ServiceState.STATE_IN_SERVICE ) {
    Intent intent = new Intent(ServiceAvailableEvent.ACTION_NAME);
    context.sendBroadcast(intent);
    serviceAvailable = true;
  } else {
    serviceAvailable = false;
  }
}