Java WifiInfo.getSupplicantState方法代码示例

import android.net.wifi.WifiInfo; //导入方法依赖的package包/类
/**
 * Check whether WiFi is connected
 * @param context a Context instance
 * @return true if Wifi is connected
 */
// @RequiresPermission(value = Manifest.permission.ACCESS_WIFI_STATE)
public static boolean isWifiConnected(Context context) {
    WifiManager wifiManager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
    if (wifiManager == null || !wifiManager.isWifiEnabled()) return false;
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    if (wifiInfo == null || wifiInfo.getNetworkId() == -1) return false;
    return wifiInfo.getSupplicantState() == SupplicantState.ASSOCIATED;
}
 

import android.net.wifi.WifiInfo; //导入方法依赖的package包/类
/**
 *    This method connects a network.
 *
 *    @param    callbackContext        A Cordova callback context
 *    @param    data                JSON Array, with [0] being SSID to connect
 *    @return    true if network connected, false if failed
 */
private boolean connectNetwork(CallbackContext callbackContext, JSONArray data) {
    Log.d(TAG, "WifiWizard: connectNetwork entered.");
    if(!validateData(data)) {
        callbackContext.error("WifiWizard: connectNetwork invalid data");
        Log.d(TAG, "WifiWizard: connectNetwork invalid data.");
        return false;
    }
    String ssidToConnect = "";

    try {
        ssidToConnect = data.getString(0);
    }
    catch (Exception e) {
        callbackContext.error(e.getMessage());
        Log.d(TAG, e.getMessage());
        return false;
    }

    int networkIdToConnect = ssidToNetworkId(ssidToConnect);

    if (networkIdToConnect >= 0) {
        // We disable the network before connecting, because if this was the last connection before
        // a disconnect(), this will not reconnect.
        wifiManager.disableNetwork(networkIdToConnect);
        wifiManager.enableNetwork(networkIdToConnect, true);

        SupplicantState supState;
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        supState = wifiInfo.getSupplicantState();
        callbackContext.success(supState.toString());
        return true;

    }else{
        callbackContext.error("WifiWizard: cannot connect to network");
        return false;
    }
}
 

import android.net.wifi.WifiInfo; //导入方法依赖的package包/类
private void getWiFiInfo()
    {
        initNetwork();
        if (wifiManager != null)
        {
            final WifiInfo wifiInfo = wifiManager.getConnectionInfo();
            fullInfo.setProperty("WIFI_SSID",
            String.valueOf(Helperfunctions.removeQuotationsInCurrentSSIDForJellyBean(wifiInfo.getSSID())));
            		
            /*
             * fullInfo.setProperty("WIFI_LINKSPEED",
             * String.valueOf(wifiInfo.getLinkSpeed()));
             */
            fullInfo.setProperty("WIFI_BSSID", String.valueOf(wifiInfo.getBSSID()));
            fullInfo.setProperty("WIFI_NETWORK_ID", String.valueOf(wifiInfo.getNetworkId()));
            /*
             * fullInfo.setProperty("WIFI_RSSI",
             * String.valueOf(wifiInfo.getRssi()));
             */
            final SupplicantState wifiState = wifiInfo.getSupplicantState();
            fullInfo.setProperty("WIFI_SUPPLICANT_STATE", String.valueOf(wifiState.name()));
            final DetailedState wifiDetail = WifiInfo.getDetailedStateOf(wifiState);
            fullInfo.setProperty("WIFI_SUPPLICANT_STATE_DETAIL", String.valueOf(wifiDetail.name()));
            
            if (getNetwork() == NETWORK_WIFI)
            {
                
                final int rssi = wifiInfo.getRssi();
                if (rssi != -1 && rssi >= ACCEPT_WIFI_RSSI_MIN)
                {
                    int linkSpeed = wifiInfo.getLinkSpeed();
                    if (linkSpeed < 0) {
                        linkSpeed = 0;
                    }
                    
                    final SignalItem signalItem = SignalItem.getWifiSignalItem(linkSpeed, rssi);
                    if (this.collectInformation) {
                        signals.add(signalItem);	
                    }
                    lastSignalItem.set(signalItem);
                    signal.set(rssi);
                    signalType.set(SINGAL_TYPE_WLAN);

                    if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
                        CellInformationWrapper cellInformationWrapper = new CellInformationWrapper(wifiInfo);
                        cellInformationWrapper.setActive(true);
                        this.lastCellInfos.add(cellInformationWrapper);
                        this.registeredCells.clear();
                        this.registeredCells.add(cellInformationWrapper);
                        this.cellInfos.add(cellInformationWrapper);
                    }
//                    Log.i(DEBUG_TAG, "Signals1: " + signals.toString());
                }
            }
        }
    }
 

import android.net.wifi.WifiInfo; //导入方法依赖的package包/类
public SupplicantState getWifiState() {
  WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
  WifiInfo wifiInfo = wifiManager.getConnectionInfo();
  SupplicantState state = wifiInfo.getSupplicantState();
  return state;
}