cocal · April 28, 2014 00:55 · Dec 21, 2012
diff --git a/WifiProxyManager.java b/WifiProxyManager.java
@@ -0,0 +1,97 @@
+package me.madeye;
+
+import android.content.Context;
+import android.net.ProxyProperties;
+import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiManager;
+import android.os.Handler;
+import android.util.Log;
+
+import java.util.List;
+
+public class WifiProxyManager {
+
+  private static int networkID = -1;
+
+  private static final String TAG = "WifiProxyManager";
+
+  public static boolean setWifiProxy(String proxy, int port, Context context) {
+
+    try {
+
+      Handler handler = new Handler(context.getMainLooper());
+
+      final WifiManager manager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
+
+      if (!manager.isWifiEnabled()) return true;
+      List<WifiConfiguration> configurationList = manager.getConfiguredNetworks();
+      WifiConfiguration configuration = null;
+      int cur = manager.getConnectionInfo().getNetworkId();
+      for (WifiConfiguration wifiConfiguration : configurationList) {
+        if (wifiConfiguration.networkId == cur)
+          configuration = wifiConfiguration;
+      }
+      if (configuration == null) return true;
+
+      WifiConfiguration config = new WifiConfiguration(configuration);
+      config.ipAssignment = WifiConfiguration.IpAssignment.UNASSIGNED;
+      config.proxySettings = WifiConfiguration.ProxySettings.STATIC;
+      config.linkProperties.clear();
+
+      config.linkProperties.setHttpProxy(new ProxyProperties("127.0.0.1", port, ""));
+      manager.updateNetwork(config);
+
+      manager.setWifiEnabled(false);
+      handler.postDelayed(new Runnable() {
+        @Override
+        public void run() {
+          manager.setWifiEnabled(true);
+        }
+      }, 1000);
+
+      networkID = cur;
+    } catch (Exception ignored) {
+      // Ignore all private API exception
+      Log.d(TAG, "Non support API", ignored);
+      return false;
+    }
+    return true;
+  }
+
+  public static void clearWifiProxy(Context context) {
+    if (networkID == -1) return;
+    try {
+
+      Handler handler = new Handler(context.getMainLooper());
+
+      final WifiManager manager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
+      List<WifiConfiguration> configurationList = manager.getConfiguredNetworks();
+      WifiConfiguration configuration = null;
+      for (WifiConfiguration wifiConfiguration : configurationList) {
+        if (wifiConfiguration.networkId == networkID)
+          configuration = wifiConfiguration;
+      }
+      if (configuration == null) return;
+
+      WifiConfiguration config = new WifiConfiguration(configuration);
+      config.ipAssignment = WifiConfiguration.IpAssignment.UNASSIGNED;
+      config.proxySettings = WifiConfiguration.ProxySettings.NONE;
+      config.linkProperties.clear();
+
+      manager.updateNetwork(config);
+
+      manager.setWifiEnabled(false);
+      handler.postDelayed(new Runnable() {
+        @Override
+        public void run() {
+          manager.setWifiEnabled(true);
+        }
+      }, 1000);
+
+      networkID = -1;
+    } catch (Exception ignored) {
+      // Ignore all private API exception
+      Log.d(TAG, "Non support API", ignored);
+    }
+  }
+}