diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index bcb68ff..2099d85 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -60,6 +60,7 @@
 import android.media.MediaRoute2Info;
 import android.media.MediaRouter2Manager;
 import android.net.ConnectivityManager;
+import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.Network;
 import android.net.wifi.WifiManager;
@@ -116,7 +117,6 @@
 import com.android.settings.password.ChooseLockSettingsHelper;
 import com.android.settingslib.widget.ActionBarShadowController;
 
-import java.net.InetAddress;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
@@ -237,13 +237,13 @@
 
     private static String formatIpAddresses(LinkProperties prop) {
         if (prop == null) return null;
-        final Iterator<InetAddress> iter = prop.getAllAddresses().iterator();
+        final Iterator<LinkAddress> iter = prop.getAllLinkAddresses().iterator();
         // If there are no entries, return null
         if (!iter.hasNext()) return null;
         // Concatenate all available addresses, comma separated
         String addresses = "";
         while (iter.hasNext()) {
-            addresses += iter.next().getHostAddress();
+            addresses += iter.next().getAddress().getHostAddress();
             if (iter.hasNext()) addresses += "\n";
         }
         return addresses;
diff --git a/src/com/android/settings/development/AdbIpAddressPreferenceController.java b/src/com/android/settings/development/AdbIpAddressPreferenceController.java
index 45fe51b..ce5a851 100644
--- a/src/com/android/settings/development/AdbIpAddressPreferenceController.java
+++ b/src/com/android/settings/development/AdbIpAddressPreferenceController.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 import android.debug.IAdbManager;
 import android.net.ConnectivityManager;
+import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.wifi.WifiManager;
 import android.os.RemoteException;
@@ -135,7 +136,7 @@
             return null;
         }
 
-        Iterator<InetAddress> iter = prop.getAllAddresses().iterator();
+        Iterator<LinkAddress> iter = prop.getAllLinkAddresses().iterator();
         // If there are no entries, return null
         if (!iter.hasNext()) {
             return null;
@@ -144,7 +145,7 @@
         // Concatenate all available addresses, newline separated
         StringBuilder addresses = new StringBuilder();
         while (iter.hasNext()) {
-            InetAddress addr = iter.next();
+            InetAddress addr = iter.next().getAddress();
             if (addr instanceof Inet4Address) {
                 // adb only supports ipv4 at the moment
                 addresses.append(addr.getHostAddress());
diff --git a/src/com/android/settings/homepage/contextualcards/conditional/AirplaneModeConditionController.java b/src/com/android/settings/homepage/contextualcards/conditional/AirplaneModeConditionController.java
index 2f55b3f..8bd3028 100644
--- a/src/com/android/settings/homepage/contextualcards/conditional/AirplaneModeConditionController.java
+++ b/src/com/android/settings/homepage/contextualcards/conditional/AirplaneModeConditionController.java
@@ -40,11 +40,13 @@
     private final ConditionManager mConditionManager;
     private final Context mAppContext;
     private final Receiver mReceiver;
+    private final ConnectivityManager mConnectivityManager;
 
     public AirplaneModeConditionController(Context appContext, ConditionManager conditionManager) {
         mAppContext = appContext;
         mConditionManager = conditionManager;
         mReceiver = new Receiver();
+        mConnectivityManager = mAppContext.getSystemService(ConnectivityManager.class);
     }
 
     @Override
@@ -65,7 +67,7 @@
 
     @Override
     public void onActionClick() {
-        ConnectivityManager.from(mAppContext).setAirplaneMode(false);
+        mConnectivityManager.setAirplaneMode(false);
     }
 
     @Override
diff --git a/src/com/android/settings/wifi/WifiConfigController.java b/src/com/android/settings/wifi/WifiConfigController.java
index f6fda6d..566833c 100644
--- a/src/com/android/settings/wifi/WifiConfigController.java
+++ b/src/com/android/settings/wifi/WifiConfigController.java
@@ -825,9 +825,12 @@
                     .get(mEapSimSpinner.getSelectedItemPosition()).getCarrierId();
         }
 
-        config.setIpConfiguration(
-                new IpConfiguration(mIpAssignment, mProxySettings,
-                                    mStaticIpConfiguration, mHttpProxy));
+        final IpConfiguration ipConfig = new IpConfiguration();
+        ipConfig.setIpAssignment(mIpAssignment);
+        ipConfig.setProxySettings(mProxySettings);
+        ipConfig.setStaticIpConfiguration(mStaticIpConfiguration);
+        ipConfig.setHttpProxy(mHttpProxy);
+        config.setIpConfiguration(ipConfig);
         if (mMeteredSettingsSpinner != null) {
             config.meteredOverride = mMeteredSettingsSpinner.getSelectedItemPosition();
         }
@@ -1400,18 +1403,18 @@
                 StaticIpConfiguration staticConfig = config.getIpConfiguration()
                         .getStaticIpConfiguration();
                 if (staticConfig != null) {
-                    if (staticConfig.ipAddress != null) {
+                    if (staticConfig.getIpAddress() != null) {
                         mIpAddressView.setText(
-                                staticConfig.ipAddress.getAddress().getHostAddress());
-                        mNetworkPrefixLengthView.setText(Integer.toString(staticConfig.ipAddress
-                                .getPrefixLength()));
+                                staticConfig.getIpAddress().getAddress().getHostAddress());
+                        mNetworkPrefixLengthView.setText(Integer.toString(
+                                staticConfig.getIpAddress().getPrefixLength()));
                     }
 
-                    if (staticConfig.gateway != null) {
-                        mGatewayView.setText(staticConfig.gateway.getHostAddress());
+                    if (staticConfig.getGateway() != null) {
+                        mGatewayView.setText(staticConfig.getGateway().getHostAddress());
                     }
 
-                    Iterator<InetAddress> dnsIterator = staticConfig.dnsServers.iterator();
+                    Iterator<InetAddress> dnsIterator = staticConfig.getDnsServers().iterator();
                     if (dnsIterator.hasNext()) {
                         mDns1View.setText(dnsIterator.next().getHostAddress());
                     }
diff --git a/src/com/android/settings/wifi/WifiConfigController2.java b/src/com/android/settings/wifi/WifiConfigController2.java
index 06fbc88..e6b153e 100644
--- a/src/com/android/settings/wifi/WifiConfigController2.java
+++ b/src/com/android/settings/wifi/WifiConfigController2.java
@@ -807,9 +807,12 @@
                 return null;
         }
 
-        config.setIpConfiguration(
-                new IpConfiguration(mIpAssignment, mProxySettings,
-                                    mStaticIpConfiguration, mHttpProxy));
+        final IpConfiguration ipConfig = new IpConfiguration();
+        ipConfig.setIpAssignment(mIpAssignment);
+        ipConfig.setProxySettings(mProxySettings);
+        ipConfig.setStaticIpConfiguration(mStaticIpConfiguration);
+        ipConfig.setHttpProxy(mHttpProxy);
+        config.setIpConfiguration(ipConfig);
         if (mMeteredSettingsSpinner != null) {
             config.meteredOverride = mMeteredSettingsSpinner.getSelectedItemPosition();
         }
@@ -958,7 +961,7 @@
                     return R.string.wifi_ip_settings_invalid_dns;
                 }
                 dnsServers.add(dnsAddr);
-                staticIpConfiguration.dnsServers.add(dnsAddr);
+                staticIpConfiguration.getDnsServers().add(dnsAddr);
             }
 
             if (mDns2View.length() > 0) {
@@ -968,7 +971,7 @@
                     return R.string.wifi_ip_settings_invalid_dns;
                 }
                 dnsServers.add(dnsAddr);
-                staticIpConfiguration.dnsServers.add(dnsAddr);
+                staticIpConfiguration.getDnsServers().add(dnsAddr);
             }
             staticIPBuilder.setDnsServers(dnsServers);
             return 0;
@@ -1393,7 +1396,7 @@
                                 staticConfig.getIpAddress().getPrefixLength()));
                     }
 
-                    if (staticConfig.gateway != null) {
+                    if (staticConfig.getGateway() != null) {
                         mGatewayView.setText(staticConfig.getGateway().getHostAddress());
                     }
 
diff --git a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
index b30360c..b4d4290 100644
--- a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
@@ -901,7 +901,8 @@
         // Find IPv4 default gateway.
         String gateway = null;
         for (RouteInfo routeInfo : mLinkProperties.getRoutes()) {
-            if (routeInfo.isIPv4Default() && routeInfo.hasGateway()) {
+            if (routeInfo.hasGateway() && routeInfo.isDefaultRoute()
+                    && routeInfo.getDestination().getAddress() instanceof Inet4Address) {
                 gateway = routeInfo.getGateway().getHostAddress();
                 break;
             }
diff --git a/src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java b/src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java
index e432b07..3f8ab18 100644
--- a/src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java
+++ b/src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java
@@ -838,7 +838,8 @@
         // Find IPv4 default gateway.
         String gateway = null;
         for (RouteInfo routeInfo : mLinkProperties.getRoutes()) {
-            if (routeInfo.isIPv4Default() && routeInfo.hasGateway()) {
+            if (routeInfo.hasGateway() && routeInfo.isDefaultRoute()
+                    && routeInfo.getDestination().getAddress() instanceof Inet4Address) {
                 gateway = routeInfo.getGateway().getHostAddress();
                 break;
             }