Connect to Wifi in Android Q Programmatically

Connect to Wifi in Android Q programmatically

So, the solution for me is compile your app with targetSdkVersion 28.
and for connection to wifi use this function

connectToWifi(String ssid, String key)

it's just a workaround for the moment, waiting Google to publish a fix for this bug, for more information the issue reported to Google : issuetracker.google.com/issues/138335744

public void connectToWifi(String ssid, String key) {

Log.e(TAG, "connection wifi pre Q");
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.SSID = "\"" + ssid + "\"";
wifiConfig.preSharedKey = "\"" + key + "\"";
int netId = wifiManager.addNetwork(wifiConfig);
if (netId == -1) netId = getExistingNetworkId(wifiConfig.SSID);

    wifiManager.disconnect();
    wifiManager.enableNetwork(netId, true);
    wifiManager.reconnect();
}

Connect to WiFi Access Point programmatically with Android 10

I struggle couple days ago with wifi connection on Andrdoid Q, the link of my question in stackOverflow.

So, the solution is compile your app with targetSdkVersion 28.
and for connection to wifi use this function :

 public void connectToWifi(String ssid, String key) {

    Log.e(TAG, "connection wifi pre Q");
    WifiConfiguration wifiConfig = new WifiConfiguration();
    wifiConfig.SSID = "\"" + ssid + "\"";
    wifiConfig.preSharedKey = "\"" + key + "\"";
    int netId = wifiManager.addNetwork(wifiConfig);
    if (netId == -1) netId = getExistingNetworkId(wifiConfig.SSID);

    wifiManager.disconnect();
    wifiManager.enableNetwork(netId, true);
    wifiManager.reconnect();
}

Connect To Wifi Android Q

This is my code :

val wifiManager = applicationContext.getSystemService(WIFI_SERVICE) as WifiManager?
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
        try {
            val wifiConfig = WifiConfiguration()
            wifiConfig.SSID = "\"" + yourSsid + "\""
            wifiConfig.preSharedKey = "\"" + password + "\""
            val netId = wifiManager!!.addNetwork(wifiConfig)
            wifiManager.disconnect()
            wifiManager.enableNetwork(netId, true)
            wifiManager.reconnect()
            if (isWifiConnected("\"" + deviceId + "\"")) {
                doSomethingHere()
            }
        } catch (e: Exception) {
            e.printStackTrace()
        }
    } else {
        val wifiNetworkSpecifier = WifiNetworkSpecifier.Builder()
                .setSsid( yourSsid!! )
                .setWpa2Passphrase(password)
                .build()

        val networkRequest = NetworkRequest.Builder()
                .addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
                .setNetworkSpecifier(wifiNetworkSpecifier)
                .build()

        connectivityManager = Boron.instance.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager?

        networkCallback = object : ConnectivityManager.NetworkCallback() {
            override fun onUnavailable() {
                super.onUnavailable()
            }

            override fun onLosing(network: Network, maxMsToLive: Int) {
                super.onLosing(network, maxMsToLive)

            }

            override fun onAvailable(network: Network) {
                super.onAvailable(network)
                connectivityManager?.bindProcessToNetwork(network)
            }

            override fun onLost(network: Network) {
                super.onLost(network)

            }
        }
        connectivityManager?.requestNetwork(networkRequest,networkCallback)
    }

Then in onDestroy
connectivityManager?.unregisterNetworkCallback(networkCallback)

Permissions needed :

 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-feature android:name="android.permission.WRITE_SETTINGS"
    android:required="false"/>

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