[英]How to check if the Internet connection (Wifi/Mobile data) is ENABLED?
[英]Android check mobile data and wifi connection
我只想实现一个查询,检查每次单击按钮时启用了哪些 WiFi/移动设置。 我的代码得到了奇怪的结果。
如何实现正确的行为,以便知道哪些适配器已打开,哪些未打开?
private fun check() {
val connectivityManager = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
connectivityManager.run {
connectivityManager.getNetworkCapabilities(connectivityManager.activeNetwork)?.run {
if (hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
Log.d("TAG", "WIFI YES")
} else {
Log.d("TAG", "WIFI NO")
}
if (hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
Log.d("TAG", "MOBILE YES")
} else {
Log.d("TAG", "MOBILE NO")
}
}
}
}
WiFi Mobile --output--> WiFi Mobile
× × no output
✓ × yes no
× ✓ no no
✓ ✓ yes no
根据您的要求尝试以下代码行检查连接,您可以使用它
public static boolean isNetworkConnected() {
ConnectivityManager connectivityManager = (ConnectivityManager)TaxiappApplication.getInstance().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifi = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
NetworkInfo mobile = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
NetworkInfo bluetooth = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_BLUETOOTH);
NetworkInfo wimax = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIMAX);
if (wifi == null && mobile == null && bluetooth == null && wimax == null) {
return false;
}
if (wifi != null && wifi.isConnected()) {
return true;
}
if (mobile != null && mobile.isConnected()) {
return true;
}
if (bluetooth != null && bluetooth.isConnected()) {
return true;
}
if (wimax != null && wimax.isConnected()) {
return true;
}
return false;
}
希望对你有帮助
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.