Android to determine whether the phone is connected to an instance _android

This article is an example of Android to determine whether the mobile phone network method, share for everyone to reference. The specific steps are as follows:

First, add the permissions associated with the connection network in Androidmanifest.xml:

Copy Code code as follows:

<uses-permission android:name= "Android.permission.INTERNET" ></uses-permission>
<uses-permission android:name= "Android.permission.ACCESS_NETWORK_STATE" ></uses-permission>
<uses-permission android:name= "Android.permission.ACCESS_WIFI_STATE" ></uses-permission>

To determine the networking code is as follows:

Copy Code code as follows:

Connectivitymanager Connectivitymanager = (connectivitymanager) getsystemservice (Connectivity_service);
Networkinfo networkinfo = Connectivitymanager.getactivenetworkinfo ();
if (Networkinfo = null | |!networkinfo.isavailable ())
{
There are currently available networks
}
Else
{
No network currently available
}

I hope this article will help you with your Android program.