--- /dev/null
+package com.example.xub3.speakerlocator;
+
+/**
+ * Created by xubin on 4/27/16.
+ */
+
+import de.hadizadeh.positioning.model.SignalInformation;
+import android.content.Context;
+import android.net.wifi.ScanResult;
+import android.net.wifi.WifiManager;
+import de.hadizadeh.positioning.controller.Technology;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class WifiTechnology extends Technology {
+ private WifiManager wifiManager;
+
+ public WifiTechnology(Context context, String name, List<String> keyWhiteList) {
+ super(name, keyWhiteList);
+ wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
+ }
+
+ @Override
+ public Map<String, SignalInformation> getSignalData() {
+ Map<String, SignalInformation> signalData =
+ new HashMap<String, SignalInformation>();
+
+ wifiManager.startScan();
+ List<ScanResult> scanResults = wifiManager.getScanResults();
+ for (ScanResult scanResult : scanResults) {
+ signalData.put(scanResult.BSSID, new SignalInformation(scanResult.level));
+ }
+ return signalData;
+ }
+}
+
+
+