diff --git a/res/layout/wifi_dialog.xml b/res/layout/wifi_dialog.xml
index bce8fb0..c5e554d 100644
--- a/res/layout/wifi_dialog.xml
+++ b/res/layout/wifi_dialog.xml
@@ -107,7 +107,7 @@
                             android:prompt="@string/wifi_eap_method"
                             android:entries="@array/wifi_eap_method" />
                 </LinearLayout>
-                
+
                 <LinearLayout android:id="@+id/l_phase2"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
@@ -145,6 +145,18 @@
                             android:prompt="@string/wifi_eap_ca_cert" />
                 </LinearLayout>
 
+                <LinearLayout android:id="@+id/no_ca_cert_warning"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:visibility="gone"
+                        style="@style/wifi_item" >
+                    <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            style="@style/wifi_item_warning"
+                            android:text="@string/wifi_do_not_validate_eap_server_warning" />
+                </LinearLayout>
+
                 <LinearLayout android:id="@+id/l_user_cert"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
@@ -301,7 +313,7 @@
                     android:layout_height="wrap_content"
                     style="@style/wifi_section"
                     android:visibility="gone">
-                <LinearLayout 
+                <LinearLayout
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         style="@style/wifi_item">
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 364a2ea..399db32 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1636,9 +1636,15 @@
     <!-- Hint for unchanged fields -->
     <string name="wifi_unchanged">(unchanged)</string>
     <!-- Hint for unspecified fields -->
-    <string name="wifi_unspecified">(unspecified)</string>
+    <string name="wifi_unspecified">Please select</string>
     <!-- Hint for multiple certificates being added to the configuration -->
     <string name="wifi_multiple_cert_added">(Multiple certificates added)</string>
+    <!-- Menu option for not providing an EAP user certificate -->
+    <string name="wifi_do_not_provide_eap_user_cert">Do not provide</string>
+    <!-- Menu option for not validating the EAP server -->
+    <string name="wifi_do_not_validate_eap_server">Do not validate</string>
+    <!-- Warning message displayed if user choses not to validate the EAP server -->
+    <string name="wifi_do_not_validate_eap_server_warning">No certificate specified. Your connection will not be private.</string>
     <!-- Substring of status line when Wi-Fi Protected Setup (WPS) is available and
          string is listed first [CHAR LIMIT=20]-->
     <string name="wifi_wps_available_first_item">WPS available</string>
@@ -5299,10 +5305,6 @@
     <string name="user_enable_calling_and_sms_confirm_title">Turn on phone calls &amp; SMS?</string>
     <!-- Message for confirmation of turning on calls and SMS [CHAR LIMIT=none] -->
     <string name="user_enable_calling_and_sms_confirm_message">Call and SMS history will be shared with this user.</string>
-    <!-- Title for the emergency info preference [CHAR LIMIT=40] -->
-    <string name="emergency_info_title">Emergency information</string>
-    <!-- Description of the emergency info preference [CHAR LIMIT=80] -->
-    <string name="emergency_info_subtitle">Accessible through lock screen in the emergency dialer</string>
 
     <!-- Application Restrictions screen title [CHAR LIMIT=45] -->
     <string name="application_restrictions">Allow apps and content</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 7065265..df5490b 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -204,6 +204,14 @@
         <item name="android:textColor">?android:attr/textColorSecondary</item>
     </style>
 
+    <style name="wifi_item_warning">
+        <item name="android:paddingStart">8dip</item>
+        <item name="android:textSize">12sp</item>
+        <item name="android:textAlignment">viewStart</item>
+        <item name="android:textAppearance">@android:style/TextAppearance.Material.Body1</item>
+        <item name="android:textColor">@color/warning</item>
+    </style>
+
     <style name="wifi_item_content">
         <item name="android:textAlignment">viewStart</item>
         <item name="android:textAppearance">@android:style/TextAppearance.Material.Subhead</item>
diff --git a/res/xml/tts_settings.xml b/res/xml/tts_settings.xml
index 3e5e097..dbdf469 100644
--- a/res/xml/tts_settings.xml
+++ b/res/xml/tts_settings.xml
@@ -24,13 +24,16 @@
 
     <PreferenceCategory android:key="tts_general_section"
          android:title="@string/tts_general_section_title">
-        <ListPreference
+        <com.android.settings.SeekBarPreference
             android:key="tts_default_rate"
             android:title="@string/tts_default_rate_title"
             android:summary="@string/tts_default_rate_summary"
             android:persistent="false"
-            android:entries="@array/tts_rate_entries"
-            android:entryValues="@array/tts_rate_values" />
+            android:defaultValue="50"
+            android:max="400" />
+        <SwitchPreference
+            android:key="tts_default_higher_speech_rate_enabled"
+            android:title="Higher speech rate" />
     </PreferenceCategory>
 
     <Preference android:key="tts_play_example"
diff --git a/res/xml/user_settings.xml b/res/xml/user_settings.xml
index ac2685f..4fefc10 100644
--- a/res/xml/user_settings.xml
+++ b/res/xml/user_settings.xml
@@ -35,9 +35,5 @@
                 android:key="add_users_when_locked"
                 android:title="@string/user_add_on_lockscreen_menu"
                 android:summary="@string/user_add_on_lockscreen_menu_summary" />
-        <Preference
-                android:key="emergency_info"
-                android:title="@string/emergency_info_title"
-                android:summary="@string/emergency_info_subtitle"/>
     </PreferenceCategory>
 </PreferenceScreen>
diff --git a/src/com/android/settings/CustomDialogPreference.java b/src/com/android/settings/CustomDialogPreference.java
index edd5416..383163f 100644
--- a/src/com/android/settings/CustomDialogPreference.java
+++ b/src/com/android/settings/CustomDialogPreference.java
@@ -29,7 +29,8 @@
 
     private CustomPreferenceDialogFragment mFragment;
 
-    public CustomDialogPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+    public CustomDialogPreference(Context context, AttributeSet attrs, int defStyleAttr,
+            int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
     }
 
diff --git a/src/com/android/settings/datausage/CellDataPreference.java b/src/com/android/settings/datausage/CellDataPreference.java
index fa333f1..d64bef4 100644
--- a/src/com/android/settings/datausage/CellDataPreference.java
+++ b/src/com/android/settings/datausage/CellDataPreference.java
@@ -48,7 +48,7 @@
 
     private static final String TAG = "CellDataPreference";
 
-    public int mSubId;
+    public int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
     public boolean mChecked;
     public boolean mMultiSimDialog;
     private TelephonyManager mTelephonyManager;
@@ -65,8 +65,10 @@
         mTelephonyManager = TelephonyManager.from(getContext());
         mChecked = state.mChecked;
         mMultiSimDialog = state.mMultiSimDialog;
-        mSubId = state.mSubId;
-        setKey(getKey() + mSubId);
+        if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            mSubId = state.mSubId;
+            setKey(getKey() + mSubId);
+        }
         notifyChanged();
     }
 
@@ -110,7 +112,6 @@
 
     @Override
     protected void performClick(View view) {
-        super.performClick(view);
         MetricsLogger.action(getContext(), MetricsEvent.ACTION_CELL_DATA_TOGGLE, !mChecked);
         if (mChecked) {
             // disabling data; show confirmation dialog which eventually
diff --git a/src/com/android/settings/datausage/DataUsageSummary.java b/src/com/android/settings/datausage/DataUsageSummary.java
index e1936ed..3195641 100644
--- a/src/com/android/settings/datausage/DataUsageSummary.java
+++ b/src/com/android/settings/datausage/DataUsageSummary.java
@@ -138,6 +138,7 @@
         TemplatePreferenceCategory category = (TemplatePreferenceCategory)
                 inflatePreferences(R.xml.data_usage_cellular);
         category.setTemplate(getNetworkTemplate(subId), subId, services);
+        category.pushTemplates(services);
     }
 
     private void addWifiSection() {
diff --git a/src/com/android/settings/fuelgauge/FakeUid.java b/src/com/android/settings/fuelgauge/FakeUid.java
index 9d3e2ad..d616010 100644
--- a/src/com/android/settings/fuelgauge/FakeUid.java
+++ b/src/com/android/settings/fuelgauge/FakeUid.java
@@ -16,6 +16,7 @@
 
 package com.android.settings.fuelgauge;
 
+import android.os.BatteryStats;
 import android.os.BatteryStats.Timer;
 import android.os.BatteryStats.Uid;
 import android.util.ArrayMap;
@@ -73,16 +74,6 @@
     }
 
     @Override
-    public long getWifiControllerActivity(int type, int which) {
-        return 0;
-    }
-
-    @Override
-    public long getBluetoothControllerActivity(int type, int which) {
-        return 0;
-    }
-
-    @Override
     public void noteWifiRunningLocked(long elapsedRealtime) {
     }
 
@@ -258,4 +249,19 @@
     public long getCpuPowerMaUs(int which) {
         return 0;
     }
+
+    @Override
+    public BatteryStats.ControllerActivityCounter getWifiControllerActivity() {
+        return null;
+    }
+
+    @Override
+    public BatteryStats.ControllerActivityCounter getBluetoothControllerActivity() {
+        return null;
+    }
+
+    @Override
+    public BatteryStats.ControllerActivityCounter getModemControllerActivity() {
+        return null;
+    }
 }
diff --git a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
index 838989e..1318a1b 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
@@ -348,7 +348,9 @@
 
     private static String getLocaleNames(Context context) {
         final LocaleList locales = LocalePicker.getLocales();
-        return LocaleHelper.getDisplayLocaleList(locales, Locale.getDefault());
+        final Locale displayLocale = Locale.getDefault();
+        return LocaleHelper.toSentenceCase(
+                LocaleHelper.getDisplayLocaleList(locales, displayLocale), displayLocale);
     }
 
     private void saveInputMethodSelectorVisibility(String value) {
diff --git a/src/com/android/settings/tts/TextToSpeechSettings.java b/src/com/android/settings/tts/TextToSpeechSettings.java
index 2d30ecf..be10dd3 100644
--- a/src/com/android/settings/tts/TextToSpeechSettings.java
+++ b/src/com/android/settings/tts/TextToSpeechSettings.java
@@ -26,7 +26,7 @@
 import android.speech.tts.TextToSpeech.EngineInfo;
 import android.speech.tts.TtsEngines;
 import android.speech.tts.UtteranceProgressListener;
-import android.support.v7.preference.ListPreference;
+import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceCategory;
 import android.text.TextUtils;
@@ -35,6 +35,7 @@
 
 import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settings.R;
+import com.android.settings.SeekBarPreference;
 import com.android.settings.SettingsActivity;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.tts.TtsEnginePreference.RadioButtonGroupState;
@@ -49,6 +50,7 @@
 
 import static android.provider.Settings.Secure.TTS_DEFAULT_RATE;
 import static android.provider.Settings.Secure.TTS_DEFAULT_SYNTH;
+import static android.provider.Settings.Secure.TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED;
 
 public class TextToSpeechSettings extends SettingsPreferenceFragment implements
         Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener,
@@ -63,6 +65,10 @@
     /** Preference key for the TTS rate selection dialog. */
     private static final String KEY_DEFAULT_RATE = "tts_default_rate";
 
+    /** Preference key for the TTS advanced speech rate switch. */
+    private static final String KEY_HIGHER_RATE_SWITCH =
+        "tts_default_higher_speech_rate_enabled";
+
     /** Preference key for the TTS status field. */
     private static final String KEY_STATUS = "tts_status";
 
@@ -78,14 +84,26 @@
     private static final int GET_SAMPLE_TEXT = 1983;
     private static final int VOICE_DATA_INTEGRITY_CHECK = 1977;
 
+    /**
+     * Maximum speech rate values.
+     */
+    private static final int MAX_SPEECH_RATE = 400;
+    private static final int MAX_HIGHER_SPEECH_RATE = 600;
+
     private PreferenceCategory mEnginePreferenceCategory;
-    private ListPreference mDefaultRatePref;
+    private SeekBarPreference mDefaultRatePref;
+    private SwitchPreference mHigherRateSwitchPref;
     private Preference mPlayExample;
     private Preference mEngineStatus;
 
     private int mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE;
 
     /**
+     * Whether higher speech rate is enabled.
+     */
+    private boolean mHigherRateSwitch = false;
+
+    /**
      * The currently selected engine.
      */
     private String mCurrentEngine;
@@ -161,7 +179,8 @@
 
         mEnginePreferenceCategory = (PreferenceCategory) findPreference(
                 KEY_ENGINE_PREFERENCE_SECTION);
-        mDefaultRatePref = (ListPreference) findPreference(KEY_DEFAULT_RATE);
+        mDefaultRatePref = (SeekBarPreference) findPreference(KEY_DEFAULT_RATE);
+        mHigherRateSwitchPref = (SwitchPreference) findPreference(KEY_HIGHER_RATE_SWITCH);
 
         mEngineStatus = findPreference(KEY_STATUS);
         updateEngineStatus(R.string.tts_status_checking);
@@ -223,13 +242,25 @@
         // Set up the default rate.
         try {
             mDefaultRate = android.provider.Settings.Secure.getInt(resolver, TTS_DEFAULT_RATE);
+            mHigherRateSwitch = android.provider.Settings.Secure.getInt(resolver,
+                    TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED) == 1;
         } catch (SettingNotFoundException e) {
             // Default rate setting not found, initialize it
             mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE;
+            mHigherRateSwitch = false;
         }
-        mDefaultRatePref.setValue(String.valueOf(mDefaultRate));
+        mDefaultRatePref.setProgress(mDefaultRate);
         mDefaultRatePref.setOnPreferenceChangeListener(this);
 
+        mHigherRateSwitchPref.setChecked(mHigherRateSwitch);
+        mHigherRateSwitchPref.setOnPreferenceChangeListener(this);
+
+        if (mHigherRateSwitch) {
+            mDefaultRatePref.setMax(MAX_HIGHER_SPEECH_RATE);
+        } else {
+            mDefaultRatePref.setMax(MAX_SPEECH_RATE);
+        }
+
         mCurrentEngine = mTts.getCurrentEngine();
 
         SettingsActivity activity = null;
@@ -447,7 +478,7 @@
     public boolean onPreferenceChange(Preference preference, Object objValue) {
         if (KEY_DEFAULT_RATE.equals(preference.getKey())) {
             // Default rate
-            mDefaultRate = Integer.parseInt((String) objValue);
+            mDefaultRate = ((Integer) objValue).intValue();
             try {
                 android.provider.Settings.Secure.putInt(getContentResolver(),
                         TTS_DEFAULT_RATE, mDefaultRate);
@@ -458,8 +489,21 @@
             } catch (NumberFormatException e) {
                 Log.e(TAG, "could not persist default TTS rate setting", e);
             }
+        } else if (KEY_HIGHER_RATE_SWITCH.equals(preference.getKey())) {
+            // Adjust range of speech rate depending on switch setting.
+            mHigherRateSwitch = ((Boolean) objValue).booleanValue();
+            try {
+              android.provider.Settings.Secure.putInt(getContentResolver(),
+                  TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED, mHigherRateSwitch ? 1 : 0);
+              if (mHigherRateSwitch) {
+                mDefaultRatePref.setMax(MAX_HIGHER_SPEECH_RATE);
+              } else {
+                mDefaultRatePref.setMax(MAX_SPEECH_RATE);
+              }
+            } catch (NumberFormatException e) {
+              Log.e(TAG, "could not persist default higher speech rate setting", e);
+            }
         }
-
         return true;
     }
 
diff --git a/src/com/android/settings/users/UserSettings.java b/src/com/android/settings/users/UserSettings.java
index bf03ff9..1837a2c 100644
--- a/src/com/android/settings/users/UserSettings.java
+++ b/src/com/android/settings/users/UserSettings.java
@@ -101,7 +101,6 @@
     private static final String KEY_USER_LIST = "user_list";
     private static final String KEY_USER_ME = "user_me";
     private static final String KEY_ADD_USER = "user_add";
-    private static final String KEY_EMERGENCY_INFO = "emergency_info";
 
     private static final int MENU_REMOVE_USER = Menu.FIRST;
 
@@ -135,7 +134,6 @@
     private DimmableIconPreference mAddUser;
     private PreferenceGroup mLockScreenSettings;
     private RestrictedSwitchPreference mAddUserWhenLocked;
-    private Preference mEmergencyInfoPreference;
     private int mRemovingUserId = -1;
     private int mAddedUserId = 0;
     private boolean mAddingUser;
@@ -231,8 +229,6 @@
         }
         mLockScreenSettings = (PreferenceGroup) findPreference("lock_screen_settings");
         mAddUserWhenLocked = (RestrictedSwitchPreference) findPreference("add_users_when_locked");
-        mEmergencyInfoPreference = findPreference(KEY_EMERGENCY_INFO);
-        mEmergencyInfoPreference.setOnPreferenceClickListener(this);
         loadProfile();
         setHasOptionsMenu(true);
         IntentFilter filter = new IntentFilter(Intent.ACTION_USER_REMOVED);
@@ -921,9 +917,6 @@
             } else {
                 onAddUserClicked(USER_TYPE_USER);
             }
-        } else if (pref == mEmergencyInfoPreference) {
-            Intent intent = new Intent("com.android.emergency.EDIT_EMERGENGY_INFO");
-            startActivity(intent);
         }
         return false;
     }
diff --git a/src/com/android/settings/wifi/WifiConfigController.java b/src/com/android/settings/wifi/WifiConfigController.java
index 335c40b..3bb1473 100644
--- a/src/com/android/settings/wifi/WifiConfigController.java
+++ b/src/com/android/settings/wifi/WifiConfigController.java
@@ -100,14 +100,14 @@
     public static final int WIFI_EAP_METHOD_AKA_PRIME  = 6;
 
     /* These values come from "wifi_peap_phase2_entries" resource array */
-    public static final int WIFI_PEAP_PHASE2_NONE 	    = 0;
-    public static final int WIFI_PEAP_PHASE2_MSCHAPV2 	= 1;
+    public static final int WIFI_PEAP_PHASE2_NONE       = 0;
+    public static final int WIFI_PEAP_PHASE2_MSCHAPV2   = 1;
     public static final int WIFI_PEAP_PHASE2_GTC        = 2;
 
     /* Phase2 methods supported by PEAP are limited */
-    private final ArrayAdapter<String> PHASE2_PEAP_ADAPTER;
+    private final ArrayAdapter<String> mPhase2PeapAdapter;
     /* Full list of phase2 methods */
-    private final ArrayAdapter<String> PHASE2_FULL_ADAPTER;
+    private final ArrayAdapter<String> mPhase2FullAdapter;
 
     private final Handler mTextViewChangedHandler;
 
@@ -115,16 +115,20 @@
     private int mAccessPointSecurity;
     private TextView mPasswordView;
 
-    private String unspecifiedCert = "unspecified";
-    private static final int unspecifiedCertIndex = 0;
-    private String multipleCertSet = "multipleCert";
-    private static final int multipleCertSetIndex = 1;
+    private String mUnspecifiedCertString;
+    private String mMultipleCertSetString;
+    private static final int UNSPECIFIED_CERT_INDEX = 0;
+    private static final int NO_CERT_INDEX = 1;
+    private static final int MULTIPLE_CERT_SET_INDEX = 2;
+
+    private String mDoNotProvideEapUserCertString;
+    private String mDoNotValidateEapServerString;
 
     private Spinner mSecuritySpinner;
     private Spinner mEapMethodSpinner;
     private Spinner mEapCaCertSpinner;
     private Spinner mPhase2Spinner;
-    // Associated with mPhase2Spinner, one of PHASE2_FULL_ADAPTER or PHASE2_PEAP_ADAPTER
+    // Associated with mPhase2Spinner, one of mPhase2FullAdapter or mPhase2PeapAdapter
     private ArrayAdapter<String> mPhase2Adapter;
     private Spinner mEapUserCertSpinner;
     private TextView mEapIdentityView;
@@ -171,18 +175,23 @@
         final Resources res = mContext.getResources();
 
         mLevels = res.getStringArray(R.array.wifi_signal);
-        PHASE2_PEAP_ADAPTER = new ArrayAdapter<String>(
+        mPhase2PeapAdapter = new ArrayAdapter<String>(
             mContext, android.R.layout.simple_spinner_item,
             res.getStringArray(R.array.wifi_peap_phase2_entries));
-        PHASE2_PEAP_ADAPTER.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mPhase2PeapAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 
-        PHASE2_FULL_ADAPTER = new ArrayAdapter<String>(
+        mPhase2FullAdapter = new ArrayAdapter<String>(
                 mContext, android.R.layout.simple_spinner_item,
                 res.getStringArray(R.array.wifi_phase2_entries));
-        PHASE2_FULL_ADAPTER.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mPhase2FullAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 
-        unspecifiedCert = mContext.getString(R.string.wifi_unspecified);
-        multipleCertSet = mContext.getString(R.string.wifi_multiple_cert_added);
+        mUnspecifiedCertString = mContext.getString(R.string.wifi_unspecified);
+        mMultipleCertSetString = mContext.getString(R.string.wifi_multiple_cert_added);
+        mDoNotProvideEapUserCertString =
+            mContext.getString(R.string.wifi_do_not_provide_eap_user_cert);
+        mDoNotValidateEapServerString =
+            mContext.getString(R.string.wifi_do_not_validate_eap_server);
+
         mIpSettingsSpinner = (Spinner) mView.findViewById(R.id.ip_settings);
         mIpSettingsSpinner.setOnItemSelectedListener(this);
         mProxySettingsSpinner = (Spinner) mView.findViewById(R.id.proxy_settings);
@@ -201,10 +210,9 @@
             showIpConfigFields();
             showProxyFields();
             mView.findViewById(R.id.wifi_advanced_toggle).setVisibility(View.VISIBLE);
-            ((CheckBox)mView.findViewById(R.id.wifi_advanced_togglebox))
+            ((CheckBox) mView.findViewById(R.id.wifi_advanced_togglebox))
                     .setOnCheckedChangeListener(this);
 
-
             mConfigUi.setSubmitButton(res.getString(R.string.wifi_save));
         } else {
             mConfigUi.setTitle(mAccessPoint.getSsid());
@@ -221,7 +229,7 @@
                     StaticIpConfiguration staticConfig = config.getStaticIpConfiguration();
                     if (staticConfig != null && staticConfig.ipAddress != null) {
                         addRow(group, R.string.wifi_ip_address,
-                           staticConfig.ipAddress.getAddress().getHostAddress());
+                                staticConfig.ipAddress.getAddress().getHostAddress());
                     }
                 } else {
                     mIpSettingsSpinner.setSelection(DHCP);
@@ -242,8 +250,9 @@
                     mProxySettingsSpinner.setSelection(PROXY_NONE);
                 }
                 if (config != null && config.isPasspoint()) {
-                    addRow(group, R.string.passpoint_label, String.format(
-                        mContext.getString(R.string.passpoint_content), config.providerFriendlyName));
+                    addRow(group, R.string.passpoint_label,
+                            String.format(mContext.getString(R.string.passpoint_content),
+                            config.providerFriendlyName));
                 }
             }
 
@@ -253,10 +262,10 @@
                 showIpConfigFields();
                 showProxyFields();
                 mView.findViewById(R.id.wifi_advanced_toggle).setVisibility(View.VISIBLE);
-                ((CheckBox)mView.findViewById(R.id.wifi_advanced_togglebox))
-                    .setOnCheckedChangeListener(this);
+                ((CheckBox) mView.findViewById(R.id.wifi_advanced_togglebox))
+                        .setOnCheckedChangeListener(this);
                 if (showAdvancedFields) {
-                    ((CheckBox)mView.findViewById(R.id.wifi_advanced_togglebox)).setChecked(true);
+                    ((CheckBox) mView.findViewById(R.id.wifi_advanced_togglebox)).setChecked(true);
                     mView.findViewById(R.id.wifi_advanced_fields).setVisibility(View.VISIBLE);
                 }
             }
@@ -340,7 +349,7 @@
         group.addView(row);
     }
 
-    private String getSignalString(){
+    private String getSignalString() {
         final int level = mAccessPoint.getLevel();
 
         return (level > -1 && level < mLevels.length) ? mLevels[level] : null;
@@ -372,27 +381,46 @@
         boolean enabled = false;
         boolean passwordInvalid = false;
 
-        if (mPasswordView != null &&
-                ((mAccessPointSecurity == AccessPoint.SECURITY_WEP && mPasswordView.length() == 0) ||
-                        (mAccessPointSecurity == AccessPoint.SECURITY_PSK && mPasswordView.length() < 8))) {
+        if (mPasswordView != null
+                && ((mAccessPointSecurity == AccessPoint.SECURITY_WEP
+                        && mPasswordView.length() == 0)
+                    || (mAccessPointSecurity == AccessPoint.SECURITY_PSK
+                           && mPasswordView.length() < 8))) {
             passwordInvalid = true;
         }
 
-        if ((mSsidView != null && mSsidView.length() == 0) ||
-                ((mAccessPoint == null || !mAccessPoint.isSaved()) &&
-                        passwordInvalid)) {
+        if ((mSsidView != null && mSsidView.length() == 0)
+                || ((mAccessPoint == null || !mAccessPoint.isSaved()) && passwordInvalid)) {
             enabled = false;
         } else {
             enabled = ipAndProxyFieldsAreValid();
         }
-        if (mEapCaCertSpinner != null &&
-                mView.findViewById(R.id.l_ca_cert).getVisibility() != View.GONE &&
-                ((String)mEapCaCertSpinner.getSelectedItem()).equals(unspecifiedCert)) {
+        if (mEapCaCertSpinner != null
+                && mView.findViewById(R.id.l_ca_cert).getVisibility() != View.GONE
+                && ((String) mEapCaCertSpinner.getSelectedItem()).equals(mUnspecifiedCertString)) {
+            enabled = false;
+        }
+        if (mEapUserCertSpinner != null
+                && mView.findViewById(R.id.l_user_cert).getVisibility() != View.GONE
+                && ((String) mEapUserCertSpinner.getSelectedItem())
+                       .equals(mUnspecifiedCertString)) {
             enabled = false;
         }
         return enabled;
     }
 
+    void showWarningMessageIfAppropriate() {
+        mView.findViewById(R.id.no_ca_cert_warning).setVisibility(View.GONE);
+        if (mEapCaCertSpinner != null
+                && mView.findViewById(R.id.l_ca_cert).getVisibility() != View.GONE
+                && ((String) mEapCaCertSpinner.getSelectedItem())
+                       .equals(mDoNotValidateEapServerString)) {
+            // Display warning if user chooses not to validate the EAP server with a user-supplied
+            // CA certificate in an EAP network configuration.
+            mView.findViewById(R.id.no_ca_cert_warning).setVisibility(View.VISIBLE);
+        }
+    }
+
     /* package */ WifiConfiguration getConfig() {
         if (mMode == WifiConfigUiBase.MODE_VIEW) {
             return null;
@@ -427,8 +455,8 @@
                     int length = mPasswordView.length();
                     String password = mPasswordView.getText().toString();
                     // WEP-40, WEP-104, and 256-bit WEP (WEP-232?)
-                    if ((length == 10 || length == 26 || length == 58) &&
-                            password.matches("[0-9A-Fa-f]*")) {
+                    if ((length == 10 || length == 26 || length == 58)
+                            && password.matches("[0-9A-Fa-f]*")) {
                         config.wepKeys[0] = password;
                     } else {
                         config.wepKeys[0] = '"' + password + '"';
@@ -458,7 +486,7 @@
                 switch (eapMethod) {
                     case Eap.PEAP:
                         // PEAP supports limited phase2 values
-                        // Map the index from the PHASE2_PEAP_ADAPTER to the one used
+                        // Map the index from the mPhase2PeapAdapter to the one used
                         // by the API which has the full list of PEAP methods.
                         switch(phase2Method) {
                             case WIFI_PEAP_PHASE2_NONE:
@@ -476,27 +504,36 @@
                         }
                         break;
                     default:
-                        // The default index from PHASE2_FULL_ADAPTER maps to the API
+                        // The default index from mPhase2FullAdapter maps to the API
                         config.enterpriseConfig.setPhase2Method(phase2Method);
                         break;
                 }
                 String caCert = (String) mEapCaCertSpinner.getSelectedItem();
-                if (caCert.equals(unspecifiedCert)) {
+                if (caCert.equals(mUnspecifiedCertString)
+                        || caCert.equals(mDoNotValidateEapServerString)) {
+                    // Note: |caCert| should not be able to take the value |unspecifiedCert|,
+                    // since we prevent such configurations from being saved.
                     config.enterpriseConfig.setCaCertificateAliases(null);
-                } else if (caCert.equals(multipleCertSet)) {
+                } else if (caCert.equals(mMultipleCertSetString)) {
                     if (mAccessPoint != null) {
                         if (!mAccessPoint.isSaved()) {
                             Log.e(TAG, "Multiple certs can only be set when editing saved network");
                         }
                         config.enterpriseConfig.setCaCertificateAliases(
-                                mAccessPoint.getConfig().enterpriseConfig.getCaCertificateAliases());
+                                mAccessPoint.getConfig().enterpriseConfig
+                                        .getCaCertificateAliases());
                     }
                 } else {
                     config.enterpriseConfig.setCaCertificateAliases(new String[] {caCert});
                 }
 
                 String clientCert = (String) mEapUserCertSpinner.getSelectedItem();
-                if (clientCert.equals(unspecifiedCert)) clientCert = "";
+                if (clientCert.equals(mUnspecifiedCertString)
+                        || clientCert.equals(mDoNotProvideEapUserCertString)) {
+                    // Note: |clientCert| should not be able to take the value |unspecifiedCert|,
+                    // since we prevent such configurations from being saved.
+                    clientCert = "";
+                }
                 config.enterpriseConfig.setClientCertificateAlias(clientCert);
                 if (eapMethod == Eap.SIM || eapMethod == Eap.AKA || eapMethod == Eap.AKA_PRIME) {
                     config.enterpriseConfig.setIdentity("");
@@ -533,9 +570,11 @@
     }
 
     private boolean ipAndProxyFieldsAreValid() {
-        mIpAssignment = (mIpSettingsSpinner != null &&
-                mIpSettingsSpinner.getSelectedItemPosition() == STATIC_IP) ?
-                IpAssignment.STATIC : IpAssignment.DHCP;
+        mIpAssignment =
+                (mIpSettingsSpinner != null
+                    && mIpSettingsSpinner.getSelectedItemPosition() == STATIC_IP)
+                ? IpAssignment.STATIC
+                : IpAssignment.DHCP;
 
         if (mIpAssignment == IpAssignment.STATIC) {
             mStaticIpConfiguration = new StaticIpConfiguration();
@@ -584,7 +623,7 @@
     private Inet4Address getIPv4Address(String text) {
         try {
             return (Inet4Address) NetworkUtils.numericToInetAddress(text);
-        } catch (IllegalArgumentException|ClassCastException e) {
+        } catch (IllegalArgumentException | ClassCastException e) {
             return null;
         }
     }
@@ -619,7 +658,7 @@
                 //Extract a default gateway from IP address
                 InetAddress netPart = NetworkUtils.getNetworkPart(inetAddr, networkPrefixLength);
                 byte[] addr = netPart.getAddress();
-                addr[addr.length-1] = 1;
+                addr[addr.length - 1] = 1;
                 mGatewayView.setText(InetAddress.getByAddress(addr).getHostAddress());
             } catch (RuntimeException ee) {
             } catch (java.net.UnknownHostException u) {
@@ -700,11 +739,14 @@
             mEapCaCertSpinner = (Spinner) mView.findViewById(R.id.ca_cert);
             mEapCaCertSpinner.setOnItemSelectedListener(this);
             mEapUserCertSpinner = (Spinner) mView.findViewById(R.id.user_cert);
+            mEapUserCertSpinner.setOnItemSelectedListener(this);
             mEapIdentityView = (TextView) mView.findViewById(R.id.identity);
             mEapAnonymousView = (TextView) mView.findViewById(R.id.anonymous);
 
-            loadCertificates(mEapCaCertSpinner, Credentials.CA_CERTIFICATE, false);
-            loadCertificates(mEapUserCertSpinner, Credentials.USER_PRIVATE_KEY, false);
+            loadCertificates(mEapCaCertSpinner, Credentials.CA_CERTIFICATE, false,
+                    mDoNotValidateEapServerString);
+            loadCertificates(mEapUserCertSpinner, Credentials.USER_PRIVATE_KEY, false,
+                    mDoNotProvideEapUserCertString);
 
             // Modifying an existing network
             if (mAccessPoint != null && mAccessPoint.isSaved()) {
@@ -736,14 +778,14 @@
                 }
                 String[] caCerts = enterpriseConfig.getCaCertificateAliases();
                 if (caCerts == null) {
-                    setSelection(mEapCaCertSpinner, unspecifiedCert);
+                    setSelection(mEapCaCertSpinner, mUnspecifiedCertString);
                 } else if (caCerts.length == 1) {
                     setSelection(mEapCaCertSpinner, caCerts[0]);
                 } else {
                     // Reload the cert spinner with an extra "multiple certificates added" item
                     loadCertificates(mEapCaCertSpinner,
-                            Credentials.CA_CERTIFICATE, true);
-                    mEapCaCertSpinner.setSelection(multipleCertSetIndex);
+                            Credentials.CA_CERTIFICATE, true, mDoNotValidateEapServerString);
+                    mEapCaCertSpinner.setSelection(MULTIPLE_CERT_SET_INDEX);
                 }
                 setSelection(mEapUserCertSpinner, enterpriseConfig.getClientCertificateAlias());
                 mEapIdentityView.setText(enterpriseConfig.getIdentity());
@@ -804,8 +846,8 @@
                 break;
             case WIFI_EAP_METHOD_PEAP:
                 // Reset adapter if needed
-                if (mPhase2Adapter != PHASE2_PEAP_ADAPTER) {
-                    mPhase2Adapter = PHASE2_PEAP_ADAPTER;
+                if (mPhase2Adapter != mPhase2PeapAdapter) {
+                    mPhase2Adapter = mPhase2PeapAdapter;
                     mPhase2Spinner.setAdapter(mPhase2Adapter);
                 }
                 mView.findViewById(R.id.l_phase2).setVisibility(View.VISIBLE);
@@ -814,8 +856,8 @@
                 break;
             case WIFI_EAP_METHOD_TTLS:
                 // Reset adapter if needed
-                if (mPhase2Adapter != PHASE2_FULL_ADAPTER) {
-                    mPhase2Adapter = PHASE2_FULL_ADAPTER;
+                if (mPhase2Adapter != mPhase2FullAdapter) {
+                    mPhase2Adapter = mPhase2FullAdapter;
                     mPhase2Spinner.setAdapter(mPhase2Adapter);
                 }
                 mView.findViewById(R.id.l_phase2).setVisibility(View.VISIBLE);
@@ -847,12 +889,12 @@
 
     private void setCaCertInvisible() {
         mView.findViewById(R.id.l_ca_cert).setVisibility(View.GONE);
-        mEapCaCertSpinner.setSelection(unspecifiedCertIndex);
+        mEapCaCertSpinner.setSelection(UNSPECIFIED_CERT_INDEX);
     }
 
     private void setUserCertInvisible() {
         mView.findViewById(R.id.l_user_cert).setVisibility(View.GONE);
-        mEapUserCertSpinner.setSelection(unspecifiedCertIndex);
+        mEapUserCertSpinner.setSelection(UNSPECIFIED_CERT_INDEX);
     }
 
     private void setAnonymousIdentInvisible() {
@@ -976,13 +1018,15 @@
         }
     }
 
-    private void loadCertificates(Spinner spinner, String prefix, boolean showMultipleCerts) {
+    private void loadCertificates(
+            Spinner spinner, String prefix, boolean showMultipleCerts, String noCertificateString) {
         final Context context = mConfigUi.getContext();
 
         ArrayList<String> certs = new ArrayList<String>();
-        certs.add(unspecifiedCert);
+        certs.add(UNSPECIFIED_CERT_INDEX, mUnspecifiedCertString);
+        certs.add(NO_CERT_INDEX, noCertificateString);
         if (showMultipleCerts) {
-            certs.add(multipleCertSet);
+            certs.add(MULTIPLE_CERT_SET_INDEX, mMultipleCertSetString);
         }
         certs.addAll(
                 Arrays.asList(KeyStore.getInstance().list(prefix, android.os.Process.WIFI_UID)));
@@ -1056,12 +1100,11 @@
     public void onCheckedChanged(CompoundButton view, boolean isChecked) {
         if (view.getId() == R.id.show_password) {
             int pos = mPasswordView.getSelectionEnd();
-            mPasswordView.setInputType(
-                    InputType.TYPE_CLASS_TEXT | (isChecked ?
-                            InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD :
-                                InputType.TYPE_TEXT_VARIATION_PASSWORD));
+            mPasswordView.setInputType(InputType.TYPE_CLASS_TEXT
+                    | (isChecked ? InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
+                                 : InputType.TYPE_TEXT_VARIATION_PASSWORD));
             if (pos >= 0) {
-                ((EditText)mPasswordView).setSelection(pos);
+                ((EditText) mPasswordView).setSelection(pos);
             }
         } else if (view.getId() == R.id.wifi_advanced_togglebox) {
             if (isChecked) {
@@ -1084,6 +1127,7 @@
         } else {
             showIpConfigFields();
         }
+        showWarningMessageIfAppropriate();
         enableSubmitIfAppropriate();
     }
 
@@ -1097,11 +1141,10 @@
      */
     public void updatePassword() {
         TextView passwdView = (TextView) mView.findViewById(R.id.password);
-        passwdView.setInputType(
-                InputType.TYPE_CLASS_TEXT |
-                (((CheckBox) mView.findViewById(R.id.show_password)).isChecked() ?
-                InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD :
-                InputType.TYPE_TEXT_VARIATION_PASSWORD));
+        passwdView.setInputType(InputType.TYPE_CLASS_TEXT
+                | (((CheckBox) mView.findViewById(R.id.show_password)).isChecked()
+                   ? InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
+                   : InputType.TYPE_TEXT_VARIATION_PASSWORD));
     }
 
     public AccessPoint getAccessPoint() {