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diff --git a/src/com/android/emergency/util/PreferenceUtils.java b/src/com/android/emergency/util/PreferenceUtils.java
new file mode 100644
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+++ b/src/com/android/emergency/util/PreferenceUtils.java
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+/*
+ * Copyright (C) 2017 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.emergency.util;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.support.v7.preference.PreferenceManager;
+import android.text.TextUtils;
+
+import com.android.emergency.PreferenceKeys;
+import com.android.emergency.edit.EditInfoActivity;
+import com.android.emergency.preferences.EmergencyContactsPreference;
+import com.android.internal.annotations.VisibleForTesting;
+
+import java.util.Collections;
+
+/** Utility methods for dealing with preferences. */
+public class PreferenceUtils {
+    @VisibleForTesting
+    public static final String SETTINGS_SUGGESTION_ACTIVITY_ALIAS = ".edit.EditInfoSuggestion";
+
+    /** Returns true if there is at least one preference set. */
+    public static boolean hasAtLeastOnePreferenceSet(Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        for (String key : PreferenceKeys.KEYS_VIEW_EMERGENCY_INFO) {
+            if (!TextUtils.isEmpty(prefs.getString(key, ""))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /** Returns true if there is at least one valid (still existing) emergency contact. */
+    public static boolean hasAtLeastOneEmergencyContact(Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        String emergencyContactsString = "";
+        try {
+            emergencyContactsString = prefs.getString(PreferenceKeys.KEY_EMERGENCY_CONTACTS, "");
+        } catch (ClassCastException e) {
+            // Protect against b/28194605: We used to store the contacts using a string set.
+            // If it is a string set, ignore its value. If it is not a string set it will throw
+            // a ClassCastException
+            prefs.getStringSet(
+                    PreferenceKeys.KEY_EMERGENCY_CONTACTS,
+                    Collections.<String>emptySet());
+        }
+
+        return !EmergencyContactsPreference.deserializeAndFilter(
+                PreferenceKeys.KEY_EMERGENCY_CONTACTS,
+                context,
+                emergencyContactsString).isEmpty();
+    }
+
+    /**
+     * Enables or disables the settings suggestion for this application, depending on whether any
+     * emergency settings exist.
+     */
+    public static void updateSettingsSuggestionState(Context context) {
+        int state = hasAtLeastOnePreferenceOrContactSet(context) ?
+            PackageManager.COMPONENT_ENABLED_STATE_DISABLED :
+            PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
+        setSettingsSuggestionState(context, state);
+    }
+
+    /** Enables the settings suggestion for this application. */
+    public static void enableSettingsSuggestion(Context context) {
+        setSettingsSuggestionState(context, PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
+    }
+
+    private static boolean hasAtLeastOnePreferenceOrContactSet(Context context) {
+        return hasAtLeastOnePreferenceSet(context) || hasAtLeastOneEmergencyContact(context);
+    }
+
+    private static void setSettingsSuggestionState(Context context, int state) {
+        String packageName = context.getPackageName();
+        String targetClass = packageName + SETTINGS_SUGGESTION_ACTIVITY_ALIAS;
+        ComponentName name = new ComponentName(packageName, targetClass);
+        PackageManager pm = context.getPackageManager();
+        pm.setComponentEnabledSetting(name, state, PackageManager.DONT_KILL_APP);
+    }
+}