问 如何在android 10中验证wifi密码和连接/断开特定wifi网络

EN

    private void connectToWifi(final String ssid, String password) {
    count=0;
    wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
    if (!wifiManager.isWifiEnabled()){
        wifiManager.setWifiEnabled(true);
        System.out.println("Wifi is enabled");
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
        System.out.println("Android sdk version is 29 above");
        final WifiNetworkSuggestion suggestion1 =
                new WifiNetworkSuggestion.Builder()
                        .setSsid(ssid)
                        .setIsAppInteractionRequired(true) // Optional (Needs location permission)
                        .build();
        final WifiNetworkSuggestion suggestion2 =
                new WifiNetworkSuggestion.Builder()
                        .setSsid(ssid)
                        .setWpa2Passphrase(password)
                        .setIsAppInteractionRequired(true) // Optional (Needs location permission)
                        .build();
        final WifiNetworkSuggestion suggestion3 =
                new WifiNetworkSuggestion.Builder()
                        .setSsid(ssid)
                        .setWpa3Passphrase(password)
                        .setIsAppInteractionRequired(true) // Optional (Needs location permission)
                        .build();
        final List<WifiNetworkSuggestion> suggestionsList =
                new ArrayList<WifiNetworkSuggestion>();
        suggestionsList.add(suggestion1);
        suggestionsList.add(suggestion2);
        suggestionsList.add(suggestion3);
        WifiNetworkSpecifier.Builder builder = new WifiNetworkSpecifier.Builder();
        builder.setSsid(ssid);
        builder.setWpa2Passphrase(password);
        final int status = wifiManager.addNetworkSuggestions(suggestionsList);
        if (status != WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS) {
            System.out.println("Status:" +status);
            // do error handling here…
        WifiNetworkSpecifier wifiNetworkSpecifier = builder.build();
        NetworkRequest.Builder networkRequestBuilder1 = new NetworkRequest.Builder();
        networkRequestBuilder1.addTransportType(NetworkCapabilities.TRANSPORT_WIFI);
        networkRequestBuilder1.setNetworkSpecifier(wifiNetworkSpecifier);
        NetworkRequest nr = networkRequestBuilder1.build();
        final ConnectivityManager cm = (ConnectivityManager)
                getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        final ConnectivityManager.NetworkCallback networkCallback = new
                ConnectivityManager.NetworkCallback() {
                    @Override
                    public void onAvailable(Network network) {
                        super.onAvailable(network);
                        Log.d("MainActivity", "onAvailable:" + network);
                        cm.bindProcessToNetwork(network);
                    @Override
                    public void onLosing(@NonNull Network network, int maxMsToLive) {
                        super.onLosing(network, maxMsToLive);
                        System.out.println("onLosing" + network);
                    @Override
                    public void onLost(@NonNull Network network) {
                        super.onLost(network);
                        System.out.println("onLost" + network);
                    @Override
                    public void onUnavailable() {
                        super.onUnavailable();
                        System.out.println("onUnavaliable");
                        Toast.makeText(MainActivity.this, "Your Password is incorrect", Toast.LENGTH_SHORT).show();
        cm.requestNetwork(nr, networkCallback);
        final IntentFilter intentFilter = new IntentFilter(WifiManager.ACTION_WIFI_NETWORK_SUGGESTION_POST_CONNECTION);
        final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
            @Override public void onReceive(Context context, Intent intent) {
                if (!intent.getAction().equals(WifiManager.ACTION_WIFI_NETWORK_SUGGESTION_POST_CONNECTION)) {
                    System.out.println("ACTION_WIFI_NETWORK_SUGGESTION_POST_CONNECTION Failed");
                    return;
                }else {
                    System.out.println("Connection Successful..........");
                // Post connection
        getApplicationContext().registerReceiver(broadcastReceiver, intentFilter);
    }  else{
        try {
            WifiConfiguration wifiConfig = new WifiConfiguration();
            wifiConfig.SSID = "\"" + ssid + "\"";
            wifiConfig.preSharedKey = "\"" + password + "\"";
            int  netId = wifiManager.addNetwork(wifiConfig);
            wifiManager.disconnect();
            wifiManager.enableNetwork(netId, true);
            wifiManager.reconnect();
            IntentFilter wifiStatusIntentFilter = new IntentFilter();
            wifiStatusIntentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
            wifiStatusIntentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);
            //wifiStatusIntentFilter.addAction(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION);
                       final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
                           @Override public void onReceive(Context context, Intent intent) {
                               String action = intent.getAction();
                               if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(action)) {
                                   NetworkInfo info = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
                                   WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                                   String str = wifiInfo.getSSID().replace("\"", "");
                                   switch (info.getState())
                                       case CONNECTING:
                                           System.out.println("Connecting");
                                           System.out.print("\nWifiInfo: " +str);
                                           System.out.print("\nUserInput SSID: " +ssid);
                                           break;
                                       case CONNECTED:
                                           if(str.equals(ssid)) {
                                               System.out.println("Connected ... str.equals(ssid) " + count);
                                               System.out.println("Connected" );
                                               passwordIsCoorectError="correct";
                                               returnWifConnection("1234", "correct");
                                            //   return "correct";
                                           //count = 1;
                                           break;
                                       case DISCONNECTING:
                                           System.out.println("Disconnecting");
                                           break;
                                       case DISCONNECTED:
                                           System.out.println("Disconnected");
                                           System.out.println("Disconnected->str" +str);
                                           System.out.println("Disconnected->ssid" +ssid);
                                           count ++;
                                           if(str.equals(ssid))
                                               System.out.println("count str.equals(ssid) "+count);
                                           //   count = 1;
                                           if(count==5)
                                               System.out.println("count===5 "+count);
                                            //   Toast.makeText(MainActivity.this, "Your Password is incorrect", Toast.LENGTH_SHORT).show();
                                         passwordIsCoorectError="wrong";
                                         returnWifConnection("1234", "wrong");
                                              // return "wrong";
                                           break;
                                       case SUSPENDED:
                                           System.out.println("Suspended");
                                           break;
            getApplicationContext().registerReceiver(broadcastReceiver, wifiStatusIntentFilter);
        } catch (Exception e) {
            e.printStackTrace();
}