diff --git a/src/com/android/settings/AppListPreference.java b/src/com/android/settings/AppListPreference.java
index 96897ae..3cc91cd 100644
--- a/src/com/android/settings/AppListPreference.java
+++ b/src/com/android/settings/AppListPreference.java
@@ -23,15 +23,17 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.graphics.drawable.Drawable;
+import android.os.Parcel;
+import android.os.Parcelable;
 import android.preference.ListPreference;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.CheckedTextView;
 import android.widget.ImageView;
 import android.widget.ListAdapter;
+import android.widget.TextView;
 
 /**
  * Extends ListPreference to allow us to show the icons for a given list of applications. We do this
@@ -56,10 +58,10 @@
         public View getView(int position, View convertView, ViewGroup parent) {
             LayoutInflater inflater = ((Activity)getContext()).getLayoutInflater();
             View view = inflater.inflate(R.layout.app_preference_item, parent, false);
-            CheckedTextView checkedTextView = (CheckedTextView)view.findViewById(R.id.app_label);
-            checkedTextView.setText(getItem(position));
+            TextView textView = (TextView) view.findViewById(R.id.app_label);
+            textView.setText(getItem(position));
             if (position == mSelectedIndex) {
-                checkedTextView.setChecked(true);
+                view.findViewById(R.id.default_label).setVisibility(View.VISIBLE);
             }
             ImageView imageView = (ImageView)view.findViewById(R.id.app_image);
             imageView.setImageDrawable(mImageDrawables[position]);
@@ -76,14 +78,14 @@
         super(context, attrs);
     }
 
-    public void setPackageNames(String[] packageNames, String defaultPackageName) {
+    public void setPackageNames(CharSequence[] packageNames, CharSequence defaultPackageName) {
         // Look up all package names in PackageManager. Skip ones we can't find.
         int foundPackages = 0;
         PackageManager pm = getContext().getPackageManager();
         ApplicationInfo[] appInfos = new ApplicationInfo[packageNames.length];
         for (int i = 0; i < packageNames.length; i++) {
             try {
-                appInfos[i] = pm.getApplicationInfo(packageNames[i], 0);
+                appInfos[i] = pm.getApplicationInfo(packageNames[i].toString(), 0);
                 foundPackages++;
             } catch (NameNotFoundException e) {
                 // Leave appInfos[i] uninitialized; it will be skipped in the list.
@@ -123,4 +125,61 @@
         builder.setAdapter(adapter, this);
         super.onPrepareDialogBuilder(builder);
     }
+
+    @Override
+    protected Parcelable onSaveInstanceState() {
+        Parcelable superState = super.onSaveInstanceState();
+        return new SavedState(getEntryValues(), getValue(), superState);
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Parcelable state) {
+        if (state instanceof SavedState) {
+            SavedState savedState = (SavedState) state;
+            setPackageNames(savedState.entryValues, savedState.value);
+            super.onRestoreInstanceState(savedState.superState);
+        } else {
+            super.onRestoreInstanceState(state);
+        }
+    }
+
+    private static class SavedState implements Parcelable {
+
+        public final CharSequence[] entryValues;
+        public final CharSequence value;
+        public final Parcelable superState;
+
+        public SavedState(CharSequence[] entryValues, CharSequence value, Parcelable superState) {
+            this.entryValues = entryValues;
+            this.value = value;
+            this.superState = superState;
+        }
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeCharSequenceArray(entryValues);
+            dest.writeCharSequence(value);
+            dest.writeParcelable(superState, flags);
+        }
+
+        public static Creator<SavedState> CREATOR = new Creator<SavedState>() {
+            @Override
+            public SavedState createFromParcel(Parcel source) {
+                CharSequence[] entryValues = source.readCharSequenceArray();
+                CharSequence value = source.readCharSequence();
+                Parcelable superState = source.readParcelable(getClass().getClassLoader());
+                return new SavedState(entryValues, value, superState);
+            }
+
+            @Override
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
 }
diff --git a/src/com/android/settings/WirelessSettings.java b/src/com/android/settings/WirelessSettings.java
index 000aa30..e8c3e15 100644
--- a/src/com/android/settings/WirelessSettings.java
+++ b/src/com/android/settings/WirelessSettings.java
@@ -22,7 +22,6 @@
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
 import android.content.ActivityNotFoundException;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -38,7 +37,6 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.preference.Preference;
-import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.PreferenceScreen;
 import android.preference.SwitchPreference;
 import android.provider.SearchIndexableResource;
@@ -49,20 +47,17 @@
 
 import com.android.ims.ImsManager;
 import com.android.internal.logging.MetricsLogger;
-import com.android.internal.telephony.SmsApplication;
-import com.android.internal.telephony.SmsApplication.SmsApplicationData;
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.telephony.TelephonyProperties;
 import com.android.settings.nfc.NfcEnabler;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.List;
 
-public class WirelessSettings extends SettingsPreferenceFragment
-        implements OnPreferenceChangeListener, Indexable {
+public class WirelessSettings extends SettingsPreferenceFragment implements Indexable {
     private static final String TAG = "WirelessSettings";
 
     private static final String KEY_TOGGLE_AIRPLANE = "toggle_airplane";
@@ -74,7 +69,6 @@
     private static final String KEY_PROXY_SETTINGS = "proxy_settings";
     private static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings";
     private static final String KEY_MANAGE_MOBILE_PLAN = "manage_mobile_plan";
-    private static final String KEY_SMS_APPLICATION = "sms_application";
     private static final String KEY_TOGGLE_NSD = "toggle_nsd"; //network service discovery
     private static final String KEY_CELL_BROADCAST_SETTINGS = "cell_broadcast_settings";
     private static final String KEY_WFC_SETTINGS = "wifi_calling_settings";
@@ -96,7 +90,6 @@
     private static final int MANAGE_MOBILE_PLAN_DIALOG_ID = 1;
     private static final String SAVED_MANAGE_MOBILE_PLAN_MSG = "mManageMobilePlanMessage";
 
-    private AppListPreference mSmsApplicationPreference;
     private PreferenceScreen mButtonWfc;
 
     /**
@@ -187,27 +180,6 @@
         }
     }
 
-    private void initSmsApplicationSetting() {
-        log("initSmsApplicationSetting:");
-        Collection<SmsApplicationData> smsApplications =
-                SmsApplication.getApplicationCollection(getActivity());
-
-        // If the list is empty the dialog will be empty, but we will not crash.
-        int count = smsApplications.size();
-        String[] packageNames = new String[count];
-        int i = 0;
-        for (SmsApplicationData smsApplicationData : smsApplications) {
-            packageNames[i] = smsApplicationData.mPackageName;
-            i++;
-        }
-        String defaultPackageName = null;
-        ComponentName appName = SmsApplication.getDefaultSmsApplication(getActivity(), true);
-        if (appName != null) {
-            defaultPackageName = appName.getPackageName();
-        }
-        mSmsApplicationPreference.setPackageNames(packageNames, defaultPackageName);
-    }
-
     @Override
     public Dialog onCreateDialog(int dialogId) {
         log("onCreateDialog: dialogId=" + dialogId);
@@ -233,11 +205,6 @@
         Log.d(TAG, s);
     }
 
-    private boolean isSmsSupported() {
-        // Some tablet has sim card but could not do telephony operations. Skip those.
-        return mTm.isSmsCapable();
-    }
-
     @Override
     protected int getMetricsCategory() {
         return MetricsLogger.WIRELESS;
@@ -260,7 +227,6 @@
 
         final int myUserId = UserHandle.myUserId();
         final boolean isSecondaryUser = myUserId != UserHandle.USER_OWNER;
-        final boolean isRestrictedUser = mUm.getUserInfo(myUserId).isRestricted();
 
         final Activity activity = getActivity();
         mAirplaneModePreference = (SwitchPreference) findPreference(KEY_TOGGLE_AIRPLANE);
@@ -271,15 +237,6 @@
         mAirplaneModeEnabler = new AirplaneModeEnabler(activity, mAirplaneModePreference);
         mNfcEnabler = new NfcEnabler(activity, nfc, androidBeam);
 
-        mSmsApplicationPreference = (AppListPreference) findPreference(KEY_SMS_APPLICATION);
-        // Restricted users cannot currently read/write SMS.
-        if (isRestrictedUser) {
-            removePreference(KEY_SMS_APPLICATION);
-        } else {
-            mSmsApplicationPreference.setOnPreferenceChangeListener(this);
-            initSmsApplicationSetting();
-        }
-
         if (ImsManager.isWfcEnabledByPlatform(activity)) {
             mButtonWfc = (PreferenceScreen) findPreference(KEY_WFC_SETTINGS);
         } else {
@@ -355,11 +312,6 @@
             }
         }
 
-        // Remove SMS Application if the device does not support SMS
-        if (!isSmsSupported()) {
-            removePreference(KEY_SMS_APPLICATION);
-        }
-
         // Remove Airplane Mode settings if it's a stationary device such as a TV.
         if (mPm.hasSystemFeature(PackageManager.FEATURE_TELEVISION)) {
             removePreference(KEY_TOGGLE_AIRPLANE);
@@ -410,13 +362,6 @@
     }
 
     @Override
-    public void onStart() {
-        super.onStart();
-
-        initSmsApplicationSetting();
-    }
-
-    @Override
     public void onResume() {
         super.onResume();
 
@@ -473,15 +418,6 @@
         return R.string.help_url_more_networks;
     }
 
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        if (preference == mSmsApplicationPreference && newValue != null) {
-            SmsApplication.setDefaultApplication(newValue.toString(), getActivity());
-            return true;
-        }
-        return false;
-    }
-
     /**
      * For Search.
      */
@@ -504,7 +440,6 @@
                 final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
                 final int myUserId = UserHandle.myUserId();
                 final boolean isSecondaryUser = myUserId != UserHandle.USER_OWNER;
-                final boolean isRestrictedUser = um.getUserInfo(myUserId).isRestricted();
                 final boolean isWimaxEnabled = !isSecondaryUser
                         && context.getResources().getBoolean(
                         com.android.internal.R.bool.config_wimaxEnabled);
@@ -542,13 +477,6 @@
                     result.add(KEY_MANAGE_MOBILE_PLAN);
                 }
 
-                // Remove SMS Application if the device does not support SMS
-                TelephonyManager tm =
-                        (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
-                if (!tm.isSmsCapable() || isRestrictedUser) {
-                    result.add(KEY_SMS_APPLICATION);
-                }
-
                 final PackageManager pm = context.getPackageManager();
 
                 // Remove Airplane Mode settings if it's a stationary device such as a TV.
diff --git a/src/com/android/settings/applications/AdvancedAppSettings.java b/src/com/android/settings/applications/AdvancedAppSettings.java
index ee47c68..8c5e65f 100644
--- a/src/com/android/settings/applications/AdvancedAppSettings.java
+++ b/src/com/android/settings/applications/AdvancedAppSettings.java
@@ -16,35 +16,27 @@
 package com.android.settings.applications;
 
 import android.app.Activity;
-import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
 import android.preference.Preference;
-import android.provider.SearchIndexableResource;
 import android.util.Log;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.ApplicationsState.AppEntry;
-import com.android.settings.applications.ApplicationsState.Callbacks;
 import com.android.settings.applications.ApplicationsState.Session;
-import com.android.settings.applications.PermissionsInfo.Callback;
-import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.search.Indexable;
 
 import java.util.ArrayList;
-import java.util.List;
 
-public class AdvancedAppSettings extends SettingsPreferenceFragment implements Callbacks, Callback,
-        Indexable {
+public class AdvancedAppSettings extends SettingsPreferenceFragment implements
+        ApplicationsState.Callbacks, PermissionsInfo.Callback {
 
     static final String TAG = "AdvancedAppSettings";
     static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
     private static final String KEY_APP_PERM = "manage_perms";
     private static final String KEY_APP_DOMAIN_URLS = "domain_urls";
-    private static final String KEY_DEFAULT_EMERGENCY_APP = "default_emergency_app";
 
     private ApplicationsState mApplicationsState;
     private Session mSession;
@@ -63,10 +55,6 @@
         mAppPermsPreference = findPreference(KEY_APP_PERM);
         mAppDomainURLsPreference = findPreference(KEY_APP_DOMAIN_URLS);
         updateUI();
-
-        if (!DefaultEmergencyPreference.isAvailable(getActivity())) {
-            removePreference(KEY_DEFAULT_EMERGENCY_APP);
-        }
     }
 
     private void updateUI() {
@@ -142,26 +130,4 @@
                 mPermissionsInfo.getRuntimePermAppsGrantedCount(),
                 mPermissionsInfo.getRuntimePermAppsCount()));
     }
-
-    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider() {
-        @Override
-        public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
-                boolean enabled) {
-            ArrayList<SearchIndexableResource> result = new ArrayList<>(1);
-            SearchIndexableResource sir = new SearchIndexableResource(context);
-            sir.xmlResId = R.xml.advanced_apps;
-            result.add(sir);
-            return result;
-        }
-
-        @Override
-        public List<String> getNonIndexableKeys(Context context) {
-            ArrayList<String> result = new ArrayList<>(1);
-            if (!DefaultEmergencyPreference.isAvailable(context)) {
-                result.add(KEY_DEFAULT_EMERGENCY_APP);
-            }
-            return result;
-        }
-    };
 }
diff --git a/src/com/android/settings/applications/DefaultBrowserPreference.java b/src/com/android/settings/applications/DefaultBrowserPreference.java
index b9ea9c0..da7f112 100644
--- a/src/com/android/settings/applications/DefaultBrowserPreference.java
+++ b/src/com/android/settings/applications/DefaultBrowserPreference.java
@@ -22,15 +22,14 @@
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.UserHandle;
-import android.preference.ListPreference;
-import android.util.ArrayMap;
 import android.util.AttributeSet;
 
-import com.android.settings.R;
+import com.android.settings.AppListPreference;
 
+import java.util.ArrayList;
 import java.util.List;
 
-public class DefaultBrowserPreference extends ListPreference {
+public class DefaultBrowserPreference extends AppListPreference {
 
     final private PackageManager mPm;
 
@@ -42,14 +41,13 @@
     }
 
     private void loadBrowserApps() {
-        ArrayMap<String, CharSequence> browsers = resolveBrowserApps();
+        List<String> browsers = resolveBrowserApps();
 
-        setEntries(browsers.values().toArray(new CharSequence[browsers.size()]));
-        setEntryValues(browsers.keySet().toArray(new String[browsers.size()]));
+        setPackageNames(browsers.toArray(new String[browsers.size()]), null);
     }
 
-    private ArrayMap<String, CharSequence> resolveBrowserApps() {
-        ArrayMap<String, CharSequence> result = new ArrayMap<>();
+    private List<String> resolveBrowserApps() {
+        List<String> result = new ArrayList<>();
 
         // Create an Intent that will match ALL Browser Apps
         Intent intent = new Intent();
@@ -58,22 +56,17 @@
         intent.setData(Uri.parse("http:"));
 
         // Resolve that intent and check that the handleAllWebDataURI boolean is set
-        PackageManager packageManager = getContext().getPackageManager();
-        List<ResolveInfo> list = packageManager.queryIntentActivitiesAsUser(intent, 0,
-                UserHandle.myUserId());
+        List<ResolveInfo> list = mPm.queryIntentActivitiesAsUser(intent, 0, UserHandle.myUserId());
 
         final int count = list.size();
         for (int i=0; i<count; i++) {
             ResolveInfo info = list.get(i);
-            if (info.activityInfo == null || result.containsKey(info.activityInfo.packageName)
+            if (info.activityInfo == null || result.contains(info.activityInfo.packageName)
                     || !info.handleAllWebDataURI) {
                 continue;
             }
 
-            String packageName = info.activityInfo.packageName;
-            CharSequence label = info.activityInfo.applicationInfo.loadLabel(packageManager);
-
-            result.put(packageName, label);
+            result.add(info.activityInfo.packageName);
         }
 
         return result;
diff --git a/src/com/android/settings/applications/DefaultEmergencyPreference.java b/src/com/android/settings/applications/DefaultEmergencyPreference.java
index 97418fc..3fc702b 100644
--- a/src/com/android/settings/applications/DefaultEmergencyPreference.java
+++ b/src/com/android/settings/applications/DefaultEmergencyPreference.java
@@ -24,22 +24,22 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.AsyncTask;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.preference.ListPreference;
 import android.provider.Settings;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
-import android.util.ArrayMap;
+import android.util.ArraySet;
 import android.util.AttributeSet;
 
+import com.android.settings.AppListPreference;
+
 import java.util.List;
 import java.util.Objects;
+import java.util.Set;
 
 /**
  * A preference for choosing the default emergency app
  */
-public class DefaultEmergencyPreference extends ListPreference {
+public class DefaultEmergencyPreference extends AppListPreference {
 
     private final ContentResolver mContentResolver;
 
@@ -53,25 +53,6 @@
     }
 
     @Override
-    protected Parcelable onSaveInstanceState() {
-        Parcelable superState = super.onSaveInstanceState();
-        return new SavedState(getEntries(), getEntryValues(), getSummary(), superState);
-    }
-
-    @Override
-    protected void onRestoreInstanceState(Parcelable state) {
-        if (state instanceof SavedState) {
-            SavedState savedState = (SavedState) state;
-            setEntries(savedState.entries);
-            setEntryValues(savedState.entryValues);
-            setSummary(savedState.summary);
-            super.onRestoreInstanceState(savedState.superState);
-        } else {
-            super.onRestoreInstanceState(state);
-        }
-    }
-
-    @Override
     protected boolean persistString(String value) {
         String previousValue = Settings.Secure.getString(mContentResolver,
                 Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
@@ -86,25 +67,23 @@
     }
 
     private void load() {
-        new AsyncTask<Void, Void, ArrayMap<String, CharSequence>>() {
+        new AsyncTask<Void, Void, Set<String>>() {
             @Override
-            protected ArrayMap<String, CharSequence> doInBackground(Void[] params) {
+            protected Set<String> doInBackground(Void[] params) {
                 return resolveAssistPackageAndQueryApps();
             }
 
             @Override
-            protected void onPostExecute(ArrayMap<String, CharSequence> entries) {
-                setEntries(entries.values().toArray(new CharSequence[entries.size()]));
-                setEntryValues(entries.keySet().toArray(new String[entries.size()]));
-
-                setValue(Settings.Secure.getString(mContentResolver,
-                        Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION));
+            protected void onPostExecute(Set<String> entries) {
+                String currentPkg = Settings.Secure.getString(mContentResolver,
+                        Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
+                setPackageNames(entries.toArray(new String[entries.size()]), currentPkg);
             }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
-    private ArrayMap<String, CharSequence> resolveAssistPackageAndQueryApps() {
-        ArrayMap<String, CharSequence> packages = new ArrayMap<>();
+    private Set<String> resolveAssistPackageAndQueryApps() {
+        Set<String> packages = new ArraySet<>();
 
         Intent queryIntent = new Intent(TelephonyManager.ACTION_EMERGENCY_ASSISTANCE);
         PackageManager packageManager = getContext().getPackageManager();
@@ -113,15 +92,13 @@
         PackageInfo bestMatch = null;
         for (int i = 0; i < infos.size(); i++) {
             if (infos.get(i) == null || infos.get(i).activityInfo == null
-                    || packages.containsKey(infos.get(i).activityInfo.packageName)) {
+                    || packages.contains(infos.get(i).activityInfo.packageName)) {
                 continue;
             }
 
             String packageName = infos.get(i).activityInfo.packageName;
-            CharSequence label = infos.get(i).activityInfo.applicationInfo
-                    .loadLabel(packageManager);
 
-            packages.put(packageName, label);
+            packages.add(packageName);
 
             PackageInfo packageInfo;
             try {
@@ -142,7 +119,7 @@
         String defaultPackage = Settings.Secure.getString(mContentResolver,
                 Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
         boolean defaultMissing = TextUtils.isEmpty(defaultPackage)
-                || !packages.containsKey(defaultPackage);
+                || !packages.contains(defaultPackage);
         if (bestMatch != null && defaultMissing) {
             Settings.Secure.putString(mContentResolver,
                     Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
@@ -161,49 +138,4 @@
         return info.applicationInfo != null
                 && (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
     }
-
-    private static class SavedState implements Parcelable {
-
-        public final CharSequence[] entries;
-        public final CharSequence[] entryValues;
-        public final CharSequence summary;
-        public final Parcelable superState;
-
-        public SavedState(CharSequence[] entries, CharSequence[] entryValues,
-                CharSequence summary, Parcelable superState) {
-            this.entries = entries;
-            this.entryValues = entryValues;
-            this.summary = summary;
-            this.superState = superState;
-        }
-
-        @Override
-        public int describeContents() {
-            return 0;
-        }
-
-        @Override
-        public void writeToParcel(Parcel dest, int flags) {
-            dest.writeCharSequenceArray(entries);
-            dest.writeCharSequenceArray(entryValues);
-            dest.writeCharSequence(summary);
-            dest.writeParcelable(superState, flags);
-        }
-
-        public Creator<SavedState> CREATOR = new Creator<SavedState>() {
-            @Override
-            public SavedState createFromParcel(Parcel source) {
-                CharSequence[] entries = source.readCharSequenceArray();
-                CharSequence[] entryValues = source.readCharSequenceArray();
-                CharSequence summary = source.readCharSequence();
-                Parcelable superState = source.readParcelable(getClass().getClassLoader());
-                return new SavedState(entries, entryValues, summary, superState);
-            }
-
-            @Override
-            public SavedState[] newArray(int size) {
-                return new SavedState[size];
-            }
-        };
-    }
 }
diff --git a/src/com/android/settings/applications/DefaultSmsPreference.java b/src/com/android/settings/applications/DefaultSmsPreference.java
new file mode 100644
index 0000000..bf616c3
--- /dev/null
+++ b/src/com/android/settings/applications/DefaultSmsPreference.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+
+import com.android.internal.telephony.SmsApplication;
+import com.android.internal.telephony.SmsApplication.SmsApplicationData;
+import com.android.settings.AppListPreference;
+
+import java.util.Collection;
+import java.util.Objects;
+
+public class DefaultSmsPreference extends AppListPreference {
+
+    public DefaultSmsPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        loadSmsApps();
+    }
+
+    private void loadSmsApps() {
+        Collection<SmsApplicationData> smsApplications =
+                SmsApplication.getApplicationCollection(getContext());
+
+        int count = smsApplications.size();
+        String[] packageNames = new String[count];
+        int i = 0;
+        for (SmsApplicationData smsApplicationData : smsApplications) {
+            packageNames[i++] = smsApplicationData.mPackageName;
+        }
+        setPackageNames(packageNames, getDefaultPackage());
+    }
+
+    private String getDefaultPackage() {
+        ComponentName appName = SmsApplication.getDefaultSmsApplication(getContext(), true);
+        if (appName != null) {
+            return appName.getPackageName();
+        }
+        return null;
+    }
+
+    @Override
+    protected boolean persistString(String value) {
+        if (!TextUtils.isEmpty(value) && !Objects.equals(value, getDefaultPackage())) {
+            SmsApplication.setDefaultApplication(value, getContext());
+        }
+        setSummary(getEntry());
+        return true;
+    }
+
+    public static boolean isAvailable(Context context) {
+        TelephonyManager tm =
+                (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
+        return tm.isSmsCapable();
+    }
+
+}
diff --git a/src/com/android/settings/applications/ManageDefaultApps.java b/src/com/android/settings/applications/ManageDefaultApps.java
index 87fc78e..e2f8c6b 100644
--- a/src/com/android/settings/applications/ManageDefaultApps.java
+++ b/src/com/android/settings/applications/ManageDefaultApps.java
@@ -17,26 +17,37 @@
 package com.android.settings.applications;
 
 import android.annotation.Nullable;
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.preference.Preference;
+import android.provider.SearchIndexableResource;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
-import com.android.settings.InstrumentedFragment;
-import com.android.settings.SettingsPreferenceFragment;
 
+import com.android.settings.InstrumentedFragment;
 import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.search.Indexable;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 public class ManageDefaultApps extends SettingsPreferenceFragment
-        implements Preference.OnPreferenceClickListener {
+        implements Preference.OnPreferenceClickListener, Indexable {
 
     private static final String TAG = ManageDefaultApps.class.getSimpleName();
 
     private static final String KEY_DEFAULT_BROWSER = "default_browser";
+    private static final String KEY_SMS_APPLICATION = "default_sms_app";
+    private static final String KEY_DEFAULT_EMERGENCY_APP = "default_emergency_app";
 
     private DefaultBrowserPreference mDefaultBrowserPreference;
     private PackageManager mPm;
@@ -63,6 +74,18 @@
                         return mPm.setDefaultBrowserPackageName(packageName.toString(), myUserId);
                     }
         });
+        final boolean isRestrictedUser = UserManager.get(getActivity())
+                .getUserInfo(myUserId).isRestricted();
+
+        // Restricted users cannot currently read/write SMS.
+        // Remove SMS Application if the device does not support SMS
+        if (isRestrictedUser || !DefaultSmsPreference.isAvailable(getActivity())) {
+            removePreference(KEY_SMS_APPLICATION);
+        }
+
+        if (!DefaultEmergencyPreference.isAvailable(getActivity())) {
+            removePreference(KEY_DEFAULT_EMERGENCY_APP);
+        }
     }
 
     @Override
@@ -96,4 +119,33 @@
     public boolean onPreferenceClick(Preference preference) {
         return false;
     }
+
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+        new BaseSearchIndexProvider() {
+            @Override
+            public List<SearchIndexableResource> getXmlResourcesToIndex(
+                    Context context, boolean enabled) {
+                SearchIndexableResource sir = new SearchIndexableResource(context);
+                sir.xmlResId = R.xml.default_apps;
+                return Arrays.asList(sir);
+            }
+
+            @Override
+            public List<String> getNonIndexableKeys(Context context) {
+                final ArrayList<String> result = new ArrayList<String>();
+
+                // Remove SMS Application if the device does not support SMS
+                final boolean isRestrictedUser = UserManager.get(context)
+                        .getUserInfo(UserHandle.myUserId()).isRestricted();
+                if (!DefaultSmsPreference.isAvailable(context) || isRestrictedUser) {
+                    result.add(KEY_SMS_APPLICATION);
+                }
+
+                if (!DefaultEmergencyPreference.isAvailable(context)) {
+                    result.add(KEY_DEFAULT_EMERGENCY_APP);
+                }
+
+                return result;
+            }
+    };
 }
diff --git a/src/com/android/settings/search/Ranking.java b/src/com/android/settings/search/Ranking.java
index 2143d0d..e1eec5f 100644
--- a/src/com/android/settings/search/Ranking.java
+++ b/src/com/android/settings/search/Ranking.java
@@ -31,6 +31,7 @@
 import com.android.settings.WirelessSettings;
 import com.android.settings.accessibility.AccessibilitySettings;
 import com.android.settings.applications.AdvancedAppSettings;
+import com.android.settings.applications.ManageDefaultApps;
 import com.android.settings.bluetooth.BluetoothSettings;
 import com.android.settings.deviceinfo.StorageSettings;
 import com.android.settings.deviceinfo.UsbSettings;
@@ -138,6 +139,7 @@
 
         // Advanced app settings
         sRankMap.put(AdvancedAppSettings.class.getName(), RANK_APPS);
+        sRankMap.put(ManageDefaultApps.class.getName(), RANK_APPS);
 
         // Users
         sRankMap.put(UserSettings.class.getName(), RANK_USERS);
diff --git a/src/com/android/settings/search/SearchIndexableResources.java b/src/com/android/settings/search/SearchIndexableResources.java
index b7bb062..a3d2ddc 100644
--- a/src/com/android/settings/search/SearchIndexableResources.java
+++ b/src/com/android/settings/search/SearchIndexableResources.java
@@ -33,6 +33,7 @@
 import com.android.settings.WirelessSettings;
 import com.android.settings.accessibility.AccessibilitySettings;
 import com.android.settings.applications.AdvancedAppSettings;
+import com.android.settings.applications.ManageDefaultApps;
 import com.android.settings.bluetooth.BluetoothSettings;
 import com.android.settings.deviceinfo.StorageSettings;
 import com.android.settings.deviceinfo.UsbSettings;
@@ -201,10 +202,17 @@
         sResMap.put(AdvancedAppSettings.class.getName(),
                 new SearchIndexableResource(
                         Ranking.getRankForClassName(AdvancedAppSettings.class.getName()),
-                        NO_DATA_RES_ID,
+                        R.xml.advanced_apps,
                         AdvancedAppSettings.class.getName(),
                         R.drawable.ic_settings_applications));
 
+        sResMap.put(ManageDefaultApps.class.getName(),
+                new SearchIndexableResource(
+                        Ranking.getRankForClassName(ManageDefaultApps.class.getName()),
+                        NO_DATA_RES_ID,
+                        ManageDefaultApps.class.getName(),
+                        R.drawable.ic_settings_applications));
+
         sResMap.put(UserSettings.class.getName(),
                 new SearchIndexableResource(
                         Ranking.getRankForClassName(UserSettings.class.getName()),