Wifi列表扫描

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Kernel: v4.4.179

Device: rk3328

Platform Version: Android 9.0

  1. 打开wifi开关
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if (!wifiManager.isWifiEnabled()) {
            if (wifiManager.setWifiEnabled(true)) {
                Log.i(TAG, "Wi-fi enabled");
            } else {
                Log.w(TAG, "Wi-fi could not be enabled!");
                return null;
            }

            int count = 0;
            while (!wifiManager.isWifiEnabled() && count < 10) {
                try {
                    Thread.sleep(1000);
                    ++count;
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
    }

2. **开始扫描** 
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if (wifiManager.isWifiEnabled()) {

           boolean scanned = wifiManager.startScan();
           if (DBG)
               Log.d(TAG, "startScan = " + scanned);
           final List<WifiConfiguration> configs = wifiManager.getConfiguredNetworks();
           if (DBG)
               Log.d(TAG, "configs = " + configs);
           if (configs != null) {
               for (WifiConfiguration config : configs) {
                   AccessPoint accessPoint = new AccessPoint(config);
                   accessPoints.add(accessPoint);
                   apMap.put(accessPoint.ssid, accessPoint);
               }
           }

           int scanCount = 0;
           while (wifiManager.getScanResults().size() == 0 && scanCount < 10) {
               try {
                   Thread.sleep(1000);
                   ++scanCount;
               } catch (InterruptedException e) {
                   e.printStackTrace();
               }
           }

           List<ScanResult> results = wifiManager.getScanResults();
           if (results != null) {
               for (ScanResult result : results) {
                   // Ignore hidden and ad-hoc networks.
                   if (result.SSID == null || result.SSID.length() == 0 ||
                           result.capabilities.contains("[IBSS]")) {
                       continue;
                   }
                   boolean found = false;
                   for (AccessPoint accessPoint : apMap.getAll(result.SSID)) {
                       if (accessPoint.update(result))
                           found = true;
                   }
                   if (!found) {
                       AccessPoint accessPoint = new AccessPoint(result);
                       accessPoints.add(accessPoint);
                       apMap.put(accessPoint.ssid, accessPoint);
                   }
               }
           }
           Collections.sort(accessPoints);
       }

转载请注明出处：http://www.wolfnx.com/2017/12/27/WifiScan

作者 : wolfnx
邮箱 : wolfnx@outlook.com
邮箱2 : lostnx@gmail.com

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