Android中检查是否联网

    /**
     * 检查网络是否连接
     * @return
     */
    private boolean checkedNetwork() {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mobNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

        if (!mobNetworkInfo.isConnected() && !wifiNetworkInfo.isConnected()) {
            ToastUtils.showToast(context, "你已经进入没有网络的异次元世界");
            return false;
        }
        return true;
    }