一、通过意图打开网络设置
startActivity(new Intent(Settings.ACTION_SETTINGS));
二、判断网络是否可用
ConnectivityManager conMan = (ConnectivityManager) mActivity.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netWorkInfo = conMan.getActiveNetworkInfo(); // 获取可用的网络信息
if (netWorkInfo != null) {
// 判断网络是否连接
if (netWorkInfo.isConnected()) {
mTextView.setVisibility(View.GONE);
return;
}
}