Restrict DataUsageSummary for guest user

- Don't show DataUsageSummary if the user is a guest

Bug: 262243574
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=DataUsageSummaryTest

Change-Id: I94d0fd18a81dc0f0adba544340e648d58c5d3358

src/com/android/settings/datausage/DataUsageSummary.java

@@ -19,6 +19,7 @@ import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
+import android.os.UserManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.text.BidiFormatter;
@@ -27,6 +28,8 @@ import android.text.SpannableString;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.style.RelativeSizeSpan;
+import android.util.EventLog;
+import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
@@ -83,6 +86,12 @@ public class DataUsageSummary extends DataUsageBaseFragment implements DataUsage
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         Context context = getContext();
+        if (isGuestUser(context)) {
+            Log.e(TAG, "This setting isn't available due to user restriction.");
+            EventLog.writeEvent(0x534e4554, "262243574", -1 /* UID */, "Guest user");
+            finish();
+            return;
+        }
 
         if (!isSimHardwareVisible(context)) {
             finish();
@@ -282,4 +291,11 @@ public class DataUsageSummary extends DataUsageBaseFragment implements DataUsage
         updateState();
         mSummaryController.updateState(mSummaryPreference);
     }
+
+    private static boolean isGuestUser(Context context) {
+        if (context == null) return false;
+        final UserManager userManager = context.getSystemService(UserManager.class);
+        if (userManager == null) return false;
+        return userManager.isGuestUser();
+    }
 }