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Android實時獲得機器network的狀態

編輯：中級開發

IntentFilter mNetworkStateChangedFilter = new IntentFilter();
mNetworkStateChangedFilter
         .addAction(ConnectivityManager.CONNECTIVITY_ACTION);

mNetworkStateIntentReceiver = new BroadcastReceiver() {
      @Override
      public void onReceive(Context context, Intent intent) {

         if (intent.getAction().equals(
                  ConnectivityManager.CONNECTIVITY_ACTION)) {
            boolean down = intent.getBooleanExtra(
                     ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
            //對network的up or down 進行處理
            onNetworkToggle(!down);
         }
      }
};
egisterReceiver(mNetworkStateIntentReceiver,
         mNetworkStateChangedFilter);