Merge "Import translations. DO NOT MERGE"
diff --git a/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java b/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
index 049b212..4337b88 100644
--- a/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
@@ -132,7 +132,7 @@
     }
 
     private static NetworkTemplate getTemplate(Context context) {
-        if (DataUsageList.hasReadyMobileRadio(context)) {
+        if (DataUsageUtils.hasReadyMobileRadio(context)) {
             return NetworkTemplate.buildTemplateMobileWildcard();
         }
         if (DataUsageUtils.hasWifiRadio(context)) {
diff --git a/src/com/android/settings/datausage/DataUsageList.java b/src/com/android/settings/datausage/DataUsageList.java
index 057cdd7..a3c9612 100644
--- a/src/com/android/settings/datausage/DataUsageList.java
+++ b/src/com/android/settings/datausage/DataUsageList.java
@@ -479,63 +479,6 @@
         return Math.max(largest, item.total);
     }
 
-    /**
-     * Test if device has a mobile data radio with SIM in ready state.
-     */
-    public static boolean hasReadyMobileRadio(Context context) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains("mobile");
-        }
-
-        final ConnectivityManager conn = ConnectivityManager.from(context);
-        final TelephonyManager tele = TelephonyManager.from(context);
-
-        final List<SubscriptionInfo> subInfoList =
-                SubscriptionManager.from(context).getActiveSubscriptionInfoList();
-        // No activated Subscriptions
-        if (subInfoList == null) {
-            if (LOGD) Log.d(TAG, "hasReadyMobileRadio: subInfoList=null");
-            return false;
-        }
-        // require both supported network and ready SIM
-        boolean isReady = true;
-        for (SubscriptionInfo subInfo : subInfoList) {
-            isReady = isReady & tele.getSimState(subInfo.getSimSlotIndex()) == SIM_STATE_READY;
-            if (LOGD) Log.d(TAG, "hasReadyMobileRadio: subInfo=" + subInfo);
-        }
-        boolean retVal = conn.isNetworkSupported(TYPE_MOBILE) && isReady;
-        if (LOGD) {
-            Log.d(TAG, "hasReadyMobileRadio:"
-                    + " conn.isNetworkSupported(TYPE_MOBILE)="
-                    + conn.isNetworkSupported(TYPE_MOBILE)
-                    + " isReady=" + isReady);
-        }
-        return retVal;
-    }
-
-    /*
-     * TODO: consider adding to TelephonyManager or SubscriptionManager.
-     */
-    public static boolean hasReadyMobileRadio(Context context, int subId) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains("mobile");
-        }
-
-        final ConnectivityManager conn = ConnectivityManager.from(context);
-        final TelephonyManager tele = TelephonyManager.from(context);
-        final int slotId = SubscriptionManager.getSlotIndex(subId);
-        final boolean isReady = tele.getSimState(slotId) == SIM_STATE_READY;
-
-        boolean retVal = conn.isNetworkSupported(TYPE_MOBILE) && isReady;
-        if (LOGD) {
-            Log.d(TAG, "hasReadyMobileRadio: subId=" + subId
-                    + " conn.isNetworkSupported(TYPE_MOBILE)="
-                    + conn.isNetworkSupported(TYPE_MOBILE)
-                    + " isReady=" + isReady);
-        }
-        return retVal;
-    }
-
     private OnItemSelectedListener mCycleListener = new OnItemSelectedListener() {
         @Override
         public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
diff --git a/src/com/android/settings/datausage/DataUsageListV2.java b/src/com/android/settings/datausage/DataUsageListV2.java
index 4a05af3..c3b2bb2 100644
--- a/src/com/android/settings/datausage/DataUsageListV2.java
+++ b/src/com/android/settings/datausage/DataUsageListV2.java
@@ -483,63 +483,6 @@
         return Math.max(largest, item.total);
     }
 
-    /**
-     * Test if device has a mobile data radio with SIM in ready state.
-     */
-    public static boolean hasReadyMobileRadio(Context context) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains("mobile");
-        }
-
-        final ConnectivityManager conn = ConnectivityManager.from(context);
-        final TelephonyManager tele = TelephonyManager.from(context);
-
-        final List<SubscriptionInfo> subInfoList =
-                SubscriptionManager.from(context).getActiveSubscriptionInfoList();
-        // No activated Subscriptions
-        if (subInfoList == null) {
-            if (LOGD) Log.d(TAG, "hasReadyMobileRadio: subInfoList=null");
-            return false;
-        }
-        // require both supported network and ready SIM
-        boolean isReady = true;
-        for (SubscriptionInfo subInfo : subInfoList) {
-            isReady = isReady & tele.getSimState(subInfo.getSimSlotIndex()) == SIM_STATE_READY;
-            if (LOGD) Log.d(TAG, "hasReadyMobileRadio: subInfo=" + subInfo);
-        }
-        boolean retVal = conn.isNetworkSupported(TYPE_MOBILE) && isReady;
-        if (LOGD) {
-            Log.d(TAG, "hasReadyMobileRadio:"
-                    + " conn.isNetworkSupported(TYPE_MOBILE)="
-                    + conn.isNetworkSupported(TYPE_MOBILE)
-                    + " isReady=" + isReady);
-        }
-        return retVal;
-    }
-
-    /*
-     * TODO: consider adding to TelephonyManager or SubscriptionManager.
-     */
-    public static boolean hasReadyMobileRadio(Context context, int subId) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains("mobile");
-        }
-
-        final ConnectivityManager conn = ConnectivityManager.from(context);
-        final TelephonyManager tele = TelephonyManager.from(context);
-        final int slotId = SubscriptionManager.getSlotIndex(subId);
-        final boolean isReady = tele.getSimState(slotId) == SIM_STATE_READY;
-
-        boolean retVal = conn.isNetworkSupported(TYPE_MOBILE) && isReady;
-        if (LOGD) {
-            Log.d(TAG, "hasReadyMobileRadio: subId=" + subId
-                    + " conn.isNetworkSupported(TYPE_MOBILE)="
-                    + conn.isNetworkSupported(TYPE_MOBILE)
-                    + " isReady=" + isReady);
-        }
-        return retVal;
-    }
-
     private OnItemSelectedListener mCycleListener = new OnItemSelectedListener() {
         @Override
         public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
diff --git a/src/com/android/settings/datausage/DataUsageUtils.java b/src/com/android/settings/datausage/DataUsageUtils.java
index 803bc37..096bdfe 100644
--- a/src/com/android/settings/datausage/DataUsageUtils.java
+++ b/src/com/android/settings/datausage/DataUsageUtils.java
@@ -14,7 +14,9 @@
 
 package com.android.settings.datausage;
 
+import static android.net.ConnectivityManager.TYPE_MOBILE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
+import static android.telephony.TelephonyManager.SIM_STATE_READY;
 
 import android.content.Context;
 import android.net.ConnectivityManager;
@@ -31,6 +33,7 @@
 import android.text.BidiFormatter;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;
+import android.util.Log;
 
 import java.util.List;
 
@@ -40,7 +43,9 @@
 public final class DataUsageUtils {
     static final boolean TEST_RADIOS = false;
     static final String TEST_RADIOS_PROP = "test.radios";
+    private static final boolean LOGD = false;
     private static final String ETHERNET = "ethernet";
+    private static final String TAG = "DataUsageUtils";
 
     private DataUsageUtils() {
     }
@@ -99,6 +104,42 @@
     }
 
     /**
+     * Test if device has a mobile data radio with SIM in ready state.
+     */
+    public static boolean hasReadyMobileRadio(Context context) {
+        if (DataUsageUtils.TEST_RADIOS) {
+            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains("mobile");
+        }
+        final List<SubscriptionInfo> subInfoList =
+            SubscriptionManager.from(context).getActiveSubscriptionInfoList();
+        // No activated Subscriptions
+        if (subInfoList == null) {
+            if (LOGD) {
+                Log.d(TAG, "hasReadyMobileRadio: subInfoList=null");
+            }
+            return false;
+        }
+        final TelephonyManager tele = TelephonyManager.from(context);
+        // require both supported network and ready SIM
+        boolean isReady = true;
+        for (SubscriptionInfo subInfo : subInfoList) {
+            isReady = isReady & tele.getSimState(subInfo.getSimSlotIndex()) == SIM_STATE_READY;
+            if (LOGD) {
+                Log.d(TAG, "hasReadyMobileRadio: subInfo=" + subInfo);
+            }
+        }
+        final ConnectivityManager conn = ConnectivityManager.from(context);
+        final boolean retVal = conn.isNetworkSupported(TYPE_MOBILE) && isReady;
+        if (LOGD) {
+            Log.d(TAG, "hasReadyMobileRadio:"
+                + " conn.isNetworkSupported(TYPE_MOBILE)="
+                + conn.isNetworkSupported(TYPE_MOBILE)
+                + " isReady=" + isReady);
+        }
+        return retVal;
+    }
+
+    /**
      * Whether device has a Wi-Fi data radio.
      */
     public static boolean hasWifiRadio(Context context) {
diff --git a/src/com/android/settings/users/UserSettings.java b/src/com/android/settings/users/UserSettings.java
index 6e3174d..5b4055c 100644
--- a/src/com/android/settings/users/UserSettings.java
+++ b/src/com/android/settings/users/UserSettings.java
@@ -344,14 +344,18 @@
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         int pos = 0;
-        UserManager um = getContext().getSystemService(UserManager.class);
-        boolean allowRemoveUser = !um.hasUserRestriction(UserManager.DISALLOW_REMOVE_USER);
-        boolean canSwitchUsers = um.canSwitchUsers();
-        if (!mUserCaps.mIsAdmin && allowRemoveUser && canSwitchUsers) {
+        final boolean canSwitchUsers = mUserManager.canSwitchUsers();
+        if (!mUserCaps.mIsAdmin && canSwitchUsers) {
             String nickname = mUserManager.getUserName();
             MenuItem removeThisUser = menu.add(0, MENU_REMOVE_USER, pos++,
                     getResources().getString(R.string.user_remove_user_menu, nickname));
             removeThisUser.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
+
+            final EnforcedAdmin disallowRemoveUserAdmin =
+                    RestrictedLockUtilsInternal.checkIfRestrictionEnforced(getContext(),
+                            UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId());
+            RestrictedLockUtilsInternal.setMenuItemAsDisabledByAdmin(getContext(), removeThisUser,
+                    disallowRemoveUserAdmin);
         }
         super.onCreateOptionsMenu(menu, inflater);
     }
diff --git a/tests/robotests/src/com/android/settings/users/UserSettingsTest.java b/tests/robotests/src/com/android/settings/users/UserSettingsTest.java
index 02c279e..49a4406 100644
--- a/tests/robotests/src/com/android/settings/users/UserSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/users/UserSettingsTest.java
@@ -18,6 +18,9 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.notNull;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
@@ -26,12 +29,19 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.pm.UserInfo;
 import android.graphics.drawable.Drawable;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
+import android.text.SpannableStringBuilder;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
 import androidx.fragment.app.FragmentActivity;
 import androidx.preference.Preference;
@@ -44,18 +54,30 @@
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.testutils.Robolectric;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowDevicePolicyManager;
+import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settingslib.RestrictedPreference;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.AdditionalMatchers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 import org.robolectric.util.ReflectionHelpers;
 
+import java.util.Collections;
+import java.util.List;
+
 @RunWith(SettingsRobolectricTestRunner.class)
+@Config(
+        shadows = {
+                ShadowUserManager.class,
+                ShadowDevicePolicyManager.class
+        })
 public class UserSettingsTest {
 
     private static final String KEY_USER_GUEST = "user_guest";
@@ -91,7 +113,8 @@
         mUserCapabilities = UserCapabilities.create(mContext);
         when((Object) mActivity.getSystemService(UserManager.class)).thenReturn(mUserManager);
         doReturn(mActivity).when(mFragment).getActivity();
-
+        doReturn(mContext).when(mFragment).getContext();
+        doReturn(mUserManager).when(mContext).getSystemService(UserManager.class);
         mProvisioned = Settings.Global.getInt(mContext.getContentResolver(),
             Settings.Global.DEVICE_PROVISIONED, 0);
         final SharedPreferences prefs = mock(SharedPreferences .class);
@@ -209,7 +232,75 @@
         mFragment.updateUserList();
 
         verify(addUser, never()).setVisible(true);
+    }
 
+    @Test
+    public void withDisallowRemoveUser_ShouldDisableRemoveUser() {
+        // TODO(b/115781615): Tidy robolectric tests
+        // Arrange
+        final int userId = UserHandle.myUserId();
+        final List<UserManager.EnforcingUser> enforcingUsers = Collections.singletonList(
+                new UserManager.EnforcingUser(userId,
+                        UserManager.RESTRICTION_SOURCE_DEVICE_OWNER)
+        );
+        ShadowUserManager.getShadow().setUserRestrictionSources(
+                UserManager.DISALLOW_REMOVE_USER,
+                UserHandle.of(userId),
+                enforcingUsers);
+
+        ShadowDevicePolicyManager.getShadow().setDeviceOwnerComponentOnAnyUser(
+                new ComponentName("test", "test"));
+
+        doReturn(true).when(mUserManager).canSwitchUsers();
+        mUserCapabilities.mIsAdmin = false;
+
+        ReflectionHelpers.setField(mFragment, "mUserCaps", mUserCapabilities);
+        ReflectionHelpers.setField(mFragment, "mUserManager", mUserManager);
+
+        Menu menu = mock(Menu.class);
+        MenuItem menuItem = mock(MenuItem.class);
+        final String title = "title";
+
+        doReturn(title).when(menuItem).getTitle();
+        doReturn(menuItem).when(menu).add(
+                anyInt(), eq(Menu.FIRST), anyInt(), any(CharSequence.class));
+
+        // Act
+        mFragment.onCreateOptionsMenu(menu, mock(MenuInflater.class));
+
+        // Assert
+        // Expect that the click will be overridden and the color will be faded
+        // (by RestrictedLockUtilsInternal)
+        verify(menuItem).setOnMenuItemClickListener(notNull());
+        SpannableStringBuilder defaultTitle = new SpannableStringBuilder(title);
+        verify(menuItem).setTitle(AdditionalMatchers.not(eq(defaultTitle)));
+    }
+
+    @Test
+    public void withoutDisallowRemoveUser_ShouldNotDisableRemoveUser() {
+        // Arrange
+        doReturn(true).when(mUserManager).canSwitchUsers();
+        mUserCapabilities.mIsAdmin = false;
+
+        ReflectionHelpers.setField(mFragment, "mUserCaps", mUserCapabilities);
+        ReflectionHelpers.setField(mFragment, "mUserManager", mock(UserManager.class));
+
+        Menu menu = mock(Menu.class);
+        MenuItem menuItem = mock(MenuItem.class);
+        final String title = "title";
+
+        doReturn(title).when(menuItem).getTitle();
+        doReturn(menuItem).when(menu).add(
+                anyInt(), eq(Menu.FIRST), anyInt(), any(CharSequence.class));
+
+        // Act
+        mFragment.onCreateOptionsMenu(menu, mock(MenuInflater.class));
+
+        // Assert
+        // Expect that a click listener will not be added and the title will not be changed
+        verify(menuItem, never()).setOnMenuItemClickListener(notNull());
+        SpannableStringBuilder defaultTitle = new SpannableStringBuilder(title);
+        verify(menuItem, never()).setTitle(AdditionalMatchers.not(eq(defaultTitle)));
     }
 
     @Test