This code takes care of requesting the location permission which is needed on Android 8+:
Manifest editor:
Depends on: Phone, JavaObject and RuntimePermissions
Usage example:
Other WifiInfo methods: https://developer.android.com/reference/android/net/wifi/WifiInfo
Note that the information will not be available on Android 8+ if location services are disabled.
B4X:
Sub GetWifiInfo As ResumableSub
Dim p As Phone
Dim WifiManager As JavaObject
Dim WifiInfo As JavaObject
WifiManager = WifiManager.InitializeContext.RunMethod("getSystemService", Array("wifi"))
If p.SdkVersion >= 27 Then
Dim rp As RuntimePermissions
rp.CheckAndRequest(rp.PERMISSION_ACCESS_FINE_LOCATION)
Wait For Activity_PermissionResult (Permission As String, Result As Boolean)
If Result = False Then Return WifiInfo
End If
WifiInfo = WifiManager.RunMethod("getConnectionInfo", Null)
Return WifiInfo
End Sub
B4X:
AddPermission(android.permission.ACCESS_WIFI_STATE)
AddPermission(android.permission.ACCESS_FINE_LOCATION)Usage example:
B4X:
Sub Activity_Create(FirstTime As Boolean)
Wait For (GetWifiInfo) Complete (WifiInfo As JavaObject)
If WifiInfo.IsInitialized Then
Log(WifiInfo.RunMethod("getSSID", Null))
End If
End SubNote that the information will not be available on Android 8+ if location services are disabled.