Check if SSID List Contains Key - Android android.net.wifi

Android examples for android.net.wifi:Wifi SSID

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  2. Android
  3. android.net.wifi
  4. Wifi SSID

Description

Check if SSID List Contains Key

Demo Code

import java.util.List;

import android.content.Context;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiManager;

public class Main {

  public static boolean getSSIDListContainsKey(final Context context, String targetSSID) {
    if (targetSSID == null)
      return false;
    List<ScanResult> apList = getScanResults(context);
    if (apList == null)
      return false;
    for (ScanResult ap : apList) {
      if (ap.SSID.equals(targetSSID)) {
        return true;
      }/*w  ww  .ja v  a  2  s  .  com*/
    }
    return false;
  }

  public static List<ScanResult> getScanResults(final Context context) {
    WifiManager manager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    if (manager.getWifiState() != WifiManager.WIFI_STATE_ENABLED)
      return null;
    context.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE,
        "need permission: CHANGE_WIFI_STATE");
    manager.startScan();
    return manager.getScanResults();
  }

}

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