How can i tell when the network status has changed on a device?
What permissions would i need?
You should make an BroadcastReceiver that will be triggered when the connectivity status has changed
public class InternetConnectionChangeReceiver extends BroadcastReceiver
{
public void onReceive(Context context, Intent intent) {
boolean noConnectivity = intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
String reason = intent.getStringExtra(ConnectivityManager.EXTRA_REASON);
boolean isFailover = intent.getBooleanExtra(ConnectivityManager.EXTRA_IS_FAILOVER, false);
NetworkInfo currentNetworkInfo = (NetworkInfo) intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
NetworkInfo otherNetworkInfo = (NetworkInfo) intent.getParcelableExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO);
if(currentNetworkInfo.isConnected()){
Toast.makeText(getApplicationContext(), "Connected", Toast.LENGTH_LONG).show();
}else{
Toast.makeText(getApplicationContext(), "Not Connected", Toast.LENGTH_LONG).show();
}
}
}
add below permission in your manifest file.
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
Register your broadcast receiver in manifest file.
<receiver android:name="InternetConnectionChangeReceiver">
<intent-filter>
<action android:name="android.net.conn.CONNECTIVITY_CHANGE"/>
</intent-filter>
</receiver>