diff --git a/src/com/android/settings/fuelgauge/BatteryChartPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryChartPreferenceController.java
index dbbafe6..ffbd2d9 100644
--- a/src/com/android/settings/fuelgauge/BatteryChartPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryChartPreferenceController.java
@@ -189,6 +189,8 @@
         mPrefContext = screen.getContext();
         mAppListPrefGroup = screen.findPreference(mPreferenceKey);
         mAppListPrefGroup.setOrderingAsAdded(false);
+        mAppListPrefGroup.setTitle(
+            mPrefContext.getString(R.string.battery_app_usage_for_past_24));
         mFooterPreference = screen.findPreference(KEY_FOOTER_PREF);
         // Removes footer first until usage data is loaded to avoid flashing.
         if (mFooterPreference != null) {
@@ -216,15 +218,6 @@
         final BatteryHistEntry histEntry = diffEntry.mBatteryHistEntry;
         final String packageName = histEntry.mPackageName;
         final boolean isAppEntry = histEntry.isAppEntry();
-        // Checks whether the package is installed or not.
-        boolean isValidPackage = true;
-        if (isAppEntry) {
-            if (mBatteryUtils == null) {
-                mBatteryUtils = BatteryUtils.getInstance(mPrefContext);
-            }
-            isValidPackage = mBatteryUtils.getPackageUid(packageName)
-                != BatteryUtils.UID_NULL;
-        }
         mMetricsFeatureProvider.action(
             mPrefContext,
             isAppEntry
@@ -233,15 +226,12 @@
             new Pair(ConvertUtils.METRIC_KEY_PACKAGE, packageName),
             new Pair(ConvertUtils.METRIC_KEY_BATTERY_LEVEL, histEntry.mBatteryLevel),
             new Pair(ConvertUtils.METRIC_KEY_BATTERY_USAGE, powerPref.getPercent()));
-        Log.d(TAG, String.format("handleClick() label=%s key=%s isValid:%b\n%s",
-            diffEntry.getAppLabel(), histEntry.getKey(), isValidPackage, histEntry));
-        if (isValidPackage) {
-            AdvancedPowerUsageDetail.startBatteryDetailPage(
+        Log.d(TAG, String.format("handleClick() label=%s key=%s enntry=\n%s",
+                diffEntry.getAppLabel(), histEntry.getKey(), histEntry));
+        AdvancedPowerUsageDetail.startBatteryDetailPage(
                 mActivity, mFragment, diffEntry, powerPref.getPercent(),
                 isValidToShowSummary(packageName), getSlotInformation());
-            return true;
-        }
-        return false;
+        return true;
     }
 
     @Override
@@ -434,6 +424,7 @@
             pref.setSingleLineTitle(true);
             // Sets the BatteryDiffEntry to preference for launching detailed page.
             pref.setBatteryDiffEntry(entry);
+            pref.setEnabled(entry.validForRestriction());
             setPreferenceSummary(pref, entry);
             if (!isAdded) {
                 mAppListPrefGroup.addPreference(pref);
diff --git a/src/com/android/settings/fuelgauge/BatteryDiffEntry.java b/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
index 9db29f3..c6b2d45 100644
--- a/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
+++ b/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
@@ -39,6 +39,8 @@
     static Locale sCurrentLocale = null;
     // Caches app label and icon to improve loading performance.
     static final Map<String, BatteryEntry.NameAndIcon> sResourceCache = new HashMap<>();
+    // Whether a specific item is valid to launch restriction page?
+    static final Map<String, Boolean> sValidForRestriction = new HashMap<>();
 
     /** A comparator for {@link BatteryDiffEntry} based on consumed percentage. */
     public static final Comparator<BatteryDiffEntry> COMPARATOR =
@@ -60,6 +62,7 @@
     @VisibleForTesting String mAppLabel = null;
     @VisibleForTesting Drawable mAppIcon = null;
     @VisibleForTesting boolean mIsLoaded = false;
+    @VisibleForTesting boolean mValidForRestriction = true;
 
     public BatteryDiffEntry(
             Context context,
@@ -129,6 +132,12 @@
             ? mDefaultPackageName : mBatteryHistEntry.mPackageName;
     }
 
+    /** Whether this item is valid for users to launch restriction page? */
+    public boolean validForRestriction() {
+        loadLabelAndIcon();
+        return mValidForRestriction;
+    }
+
     /** Whether the current BatteryDiffEntry is system component or not. */
     public boolean isSystemEntry() {
         switch (mBatteryHistEntry.mConsumerType) {
@@ -146,7 +155,29 @@
         if (mIsLoaded) {
             return;
         }
+        // Checks whether we have cached data or not first before fetching.
+        final BatteryEntry.NameAndIcon nameAndIcon = getCache();
+        if (nameAndIcon != null) {
+            mAppLabel = nameAndIcon.name;
+            mAppIcon = nameAndIcon.icon;
+            mAppIconId = nameAndIcon.iconId;
+        }
+        final Boolean validForRestriction = sValidForRestriction.get(getKey());
+        if (validForRestriction != null) {
+            mValidForRestriction = validForRestriction;
+        }
+        // Both nameAndIcon and restriction configuration have cached data.
+        if (nameAndIcon != null && validForRestriction != null) {
+            Log.w(TAG, String.format("cannot find cache data nameAndIcon:%s "
+                + "validForRestriction:%s", nameAndIcon, validForRestriction));
+            return;
+        }
         mIsLoaded = true;
+
+        // Configures whether we can launch restriction page or not.
+        updateRestrictionFlagState();
+        sValidForRestriction.put(getKey(), Boolean.valueOf(mValidForRestriction));
+
         // Loads application icon and label based on consumer type.
         switch (mBatteryHistEntry.mConsumerType) {
             case ConvertUtils.CONSUMER_TYPE_USER_BATTERY:
@@ -156,6 +187,9 @@
                 if (nameAndIconForUser != null) {
                     mAppIcon = nameAndIconForUser.icon;
                     mAppLabel = nameAndIconForUser.name;
+                    sResourceCache.put(
+                        getKey(),
+                        new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, /*iconId=*/ 0));
                 }
                 break;
             case ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY:
@@ -168,15 +202,12 @@
                         mAppIconId = nameAndIconForSystem.iconId;
                         mAppIcon = mContext.getDrawable(nameAndIconForSystem.iconId);
                     }
+                    sResourceCache.put(
+                        getKey(),
+                        new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, mAppIconId));
                 }
                 break;
             case ConvertUtils.CONSUMER_TYPE_UID_BATTERY:
-                final BatteryEntry.NameAndIcon nameAndIcon = getCache();
-                if (nameAndIcon != null) {
-                    mAppLabel = nameAndIcon.name;
-                    mAppIcon = nameAndIcon.icon;
-                    break;
-                }
                 loadNameAndIconForUid();
                 // Uses application default icon if we cannot find it from package.
                 if (mAppIcon == null) {
@@ -186,13 +217,47 @@
                 mAppIcon = getBadgeIconForUser(mAppIcon);
                 if (mAppLabel != null || mAppIcon != null) {
                     sResourceCache.put(
-                        mBatteryHistEntry.getKey(),
+                        getKey(),
                         new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, /*iconId=*/ 0));
                 }
                 break;
         }
     }
 
+    @VisibleForTesting
+    String getKey() {
+        return mBatteryHistEntry.getKey();
+    }
+
+    @VisibleForTesting
+    void updateRestrictionFlagState() {
+        mValidForRestriction = true;
+        if (!mBatteryHistEntry.isAppEntry()) {
+            return;
+        }
+        final boolean isValidPackage =
+                BatteryUtils.getInstance(mContext).getPackageUid(getPackageName())
+            != BatteryUtils.UID_NULL;
+        if (!isValidPackage) {
+            mValidForRestriction = false;
+            return;
+        }
+        try {
+            mValidForRestriction =
+                mContext.getPackageManager().getPackageInfo(
+                    getPackageName(),
+                    PackageManager.MATCH_DISABLED_COMPONENTS
+                        | PackageManager.MATCH_ANY_USER
+                        | PackageManager.GET_SIGNATURES
+                        | PackageManager.GET_PERMISSIONS)
+                != null;
+        } catch (Exception e) {
+            Log.e(TAG, String.format("getPackageInfo() error %s for package=%s",
+                e.getCause(), getPackageName()));
+            mValidForRestriction = false;
+        }
+    }
+
     private BatteryEntry.NameAndIcon getCache() {
         final Locale locale = Locale.getDefault();
         if (sCurrentLocale != locale) {
@@ -201,7 +266,7 @@
             sCurrentLocale = locale;
             clearCache();
         }
-        return sResourceCache.get(mBatteryHistEntry.getKey());
+        return sResourceCache.get(getKey());
     }
 
     private void loadNameAndIconForUid() {
@@ -258,7 +323,8 @@
     public String toString() {
         final StringBuilder builder = new StringBuilder()
             .append("BatteryDiffEntry{")
-            .append("\n\tname=" + mAppLabel)
+            .append(String.format("\n\tname=%s restrictable=%b",
+                  mAppLabel, mValidForRestriction))
             .append(String.format("\n\tconsume=%.2f%% %f/%f",
                   mPercentOfTotal, mConsumePower, mTotalConsumePower))
             .append(String.format("\n\tforeground:%s background:%s",
@@ -274,6 +340,7 @@
 
     static void clearCache() {
         sResourceCache.clear();
+        sValidForRestriction.clear();
     }
 
     private Drawable getBadgeIconForUser(Drawable icon) {
diff --git a/src/com/android/settings/fuelgauge/BatteryEntry.java b/src/com/android/settings/fuelgauge/BatteryEntry.java
index 636d265..125409c 100644
--- a/src/com/android/settings/fuelgauge/BatteryEntry.java
+++ b/src/com/android/settings/fuelgauge/BatteryEntry.java
@@ -241,7 +241,10 @@
         mBatteryConsumer = null;
         mIsHidden = false;
         mPowerComponentId = powerComponentId;
-        mConsumedPower = devicePowerMah;
+        mConsumedPower =
+            powerComponentId == BatteryConsumer.POWER_COMPONENT_SCREEN
+                ? devicePowerMah
+                : devicePowerMah - appsPowerMah;
         mUsageDurationMs = usageDurationMs;
         mConsumerType = ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY;
 
@@ -264,8 +267,10 @@
         iconId = R.drawable.ic_power_system;
         icon = context.getDrawable(iconId);
         name = powerComponentName;
-
-        mConsumedPower = devicePowerMah;
+        mConsumedPower =
+            powerComponentId == BatteryConsumer.POWER_COMPONENT_SCREEN
+                ? devicePowerMah
+                : devicePowerMah - appsPowerMah;
         mConsumerType = ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY;
     }
 
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryChartPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryChartPreferenceControllerTest.java
index 9e2f65d..606dc19 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryChartPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryChartPreferenceControllerTest.java
@@ -307,6 +307,7 @@
         doReturn(appLabel).when(mBatteryDiffEntry).getAppLabel();
         doReturn(PREF_KEY).when(mBatteryHistEntry).getKey();
         doReturn(null).when(mAppListGroup).findPreference(PREF_KEY);
+        doReturn(false).when(mBatteryDiffEntry).validForRestriction();
 
         mBatteryChartPreferenceController.addPreferenceToScreen(
             Arrays.asList(mBatteryDiffEntry));
@@ -324,6 +325,7 @@
         assertThat(pref.getOrder()).isEqualTo(1);
         assertThat(pref.getBatteryDiffEntry()).isSameInstanceAs(mBatteryDiffEntry);
         assertThat(pref.isSingleLineTitle()).isTrue();
+        assertThat(pref.isEnabled()).isFalse();
     }
 
     @Test
@@ -353,7 +355,7 @@
     }
 
     @Test
-    public void testHandlePreferenceTreeClick_validPackageName_returnTrue() {
+    public void testHandlePreferenceTreeClick_forAppEntry_returnTrue() {
         doReturn(false).when(mBatteryHistEntry).isAppEntry();
         doReturn(mBatteryDiffEntry).when(mPowerGaugePreference).getBatteryDiffEntry();
 
@@ -371,15 +373,13 @@
     }
 
     @Test
-    public void testHandlePreferenceTreeClick_appEntryWithInvalidPackage_returnFalse() {
+    public void testHandlePreferenceTreeClick_forSystemEntry_returnTrue() {
         mBatteryChartPreferenceController.mBatteryUtils = mBatteryUtils;
         doReturn(true).when(mBatteryHistEntry).isAppEntry();
-        doReturn(BatteryUtils.UID_NULL).when(mBatteryUtils)
-            .getPackageUid(mBatteryHistEntry.mPackageName);
         doReturn(mBatteryDiffEntry).when(mPowerGaugePreference).getBatteryDiffEntry();
 
         assertThat(mBatteryChartPreferenceController.handlePreferenceTreeClick(
-            mPowerGaugePreference)).isFalse();
+            mPowerGaugePreference)).isTrue();
         verify(mMetricsFeatureProvider)
             .action(
                 mContext,
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryDiffEntryTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryDiffEntryTest.java
index 5860163..0df53f1 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryDiffEntryTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryDiffEntryTest.java
@@ -17,12 +17,15 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Matchers.anyInt;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.BatteryConsumer;
@@ -56,11 +59,13 @@
     @Mock private Drawable mockDrawable2;
     @Mock private Drawable mockBadgedDrawable;
     @Mock private BatteryHistEntry mBatteryHistEntry;
+    @Mock private PackageInfo mockPackageInfo;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = spy(RuntimeEnvironment.application);
+        doReturn(mContext).when(mContext).getApplicationContext();
         doReturn(mockUserManager).when(mContext).getSystemService(UserManager.class);
         doReturn(mockPackageManager).when(mContext).getPackageManager();
         BatteryDiffEntry.clearCache();
@@ -110,6 +115,7 @@
 
     @Test
     public void testLoadLabelAndIcon_forSystemBattery_returnExpectedResult() {
+        final String expectedName = "Ambient display";
         // Generates fake testing data.
         final ContentValues values = getContentValuesWithType(
             ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY);
@@ -119,13 +125,22 @@
 
         final BatteryDiffEntry entry = createBatteryDiffEntry(10, batteryHistEntry);
 
-        assertThat(entry.getAppLabel()).isEqualTo("Ambient display");
+        assertThat(entry.getAppLabel()).isEqualTo(expectedName);
         assertThat(entry.getAppIconId()).isEqualTo(R.drawable.ic_settings_aod);
-        assertThat(BatteryDiffEntry.sResourceCache).isEmpty();
+        assertThat(BatteryDiffEntry.sResourceCache).hasSize(1);
+        // Verifies the app label in the cache.
+        final BatteryEntry.NameAndIcon nameAndIcon =
+            BatteryDiffEntry.sResourceCache.get(entry.getKey());
+        assertThat(nameAndIcon.name).isEqualTo(expectedName);
+        assertThat(nameAndIcon.iconId).isEqualTo(R.drawable.ic_settings_aod);
+        // Verifies the restrictable flag in the cache.
+        assertThat(entry.mValidForRestriction).isTrue();
+        assertThat(BatteryDiffEntry.sValidForRestriction.get(entry.getKey())).isTrue();
     }
 
     @Test
     public void testLoadLabelAndIcon_forUserBattery_returnExpectedResult() {
+        final String expectedName = "Removed user";
         doReturn(null).when(mockUserManager).getUserInfo(1001);
         // Generates fake testing data.
         final ContentValues values = getContentValuesWithType(
@@ -135,10 +150,18 @@
 
         final BatteryDiffEntry entry = createBatteryDiffEntry(10, batteryHistEntry);
 
-        assertThat(entry.getAppLabel()).isEqualTo("Removed user");
+        assertThat(entry.getAppLabel()).isEqualTo(expectedName);
         assertThat(entry.getAppIcon()).isNull();
         assertThat(entry.getAppIconId()).isEqualTo(0);
-        assertThat(BatteryDiffEntry.sResourceCache).isEmpty();
+        assertThat(BatteryDiffEntry.sResourceCache).hasSize(1);
+        // Verifies the app label in the cache.
+        final BatteryEntry.NameAndIcon nameAndIcon =
+            BatteryDiffEntry.sResourceCache.get(entry.getKey());
+        assertThat(nameAndIcon.name).isEqualTo(expectedName);
+        assertThat(nameAndIcon.iconId).isEqualTo(0);
+        // Verifies the restrictable flag in the cache.
+        assertThat(entry.mValidForRestriction).isTrue();
+        assertThat(BatteryDiffEntry.sValidForRestriction.get(entry.getKey())).isTrue();
     }
 
     @Test
@@ -162,8 +185,11 @@
         assertThat(BatteryDiffEntry.sResourceCache).hasSize(1);
         // Verifies the app label in the cache.
         final BatteryEntry.NameAndIcon nameAndIcon =
-            BatteryDiffEntry.sResourceCache.get(batteryHistEntry.getKey());
+            BatteryDiffEntry.sResourceCache.get(entry.getKey());
         assertThat(nameAndIcon.name).isEqualTo(expectedAppLabel);
+        // Verifies the restrictable flag in the cache.
+        assertThat(entry.mValidForRestriction).isFalse();
+        assertThat(BatteryDiffEntry.sValidForRestriction.get(entry.getKey())).isFalse();
     }
 
     @Test
@@ -179,7 +205,7 @@
         assertThat(BatteryDiffEntry.sResourceCache).hasSize(1);
         // Verifies the app label in the cache.
         final BatteryEntry.NameAndIcon nameAndIcon =
-            BatteryDiffEntry.sResourceCache.get(batteryHistEntry.getKey());
+            BatteryDiffEntry.sResourceCache.get(entry.getKey());
         assertThat(nameAndIcon.name).isEqualTo(expectedAppLabel);
     }
 
@@ -225,11 +251,25 @@
         assertThat(BatteryDiffEntry.sResourceCache).hasSize(1);
         // Verifies the app label in the cache.
         final BatteryEntry.NameAndIcon nameAndIcon =
-            BatteryDiffEntry.sResourceCache.get(entry.mBatteryHistEntry.getKey());
+            BatteryDiffEntry.sResourceCache.get(entry.getKey());
         assertThat(nameAndIcon.icon).isEqualTo(mockBadgedDrawable);
     }
 
     @Test
+    public void testClearCache_clearDataForResourcesAndFlags() {
+        BatteryDiffEntry.sResourceCache.put(
+            "fake application key",
+            new BatteryEntry.NameAndIcon("app label", null, /*iconId=*/ 0));
+        BatteryDiffEntry.sValidForRestriction.put(
+            "fake application key", Boolean.valueOf(false));
+
+        BatteryDiffEntry.clearCache();
+
+        assertThat(BatteryDiffEntry.sResourceCache).isEmpty();
+        assertThat(BatteryDiffEntry.sValidForRestriction).isEmpty();
+    }
+
+    @Test
     public void testClearCache_switchLocale_clearCacheIconAndLabel() throws Exception {
         final int userId = UserHandle.getUserId(1001);
         doReturn(mockBadgedDrawable).when(mockUserManager)
@@ -248,7 +288,7 @@
         assertThat(entry2.getAppIcon()).isEqualTo(mockDrawable2);
         // Verifies the cache is updated into the new drawable.
         final BatteryEntry.NameAndIcon nameAndIcon =
-            BatteryDiffEntry.sResourceCache.get(entry2.mBatteryHistEntry.getKey());
+            BatteryDiffEntry.sResourceCache.get(entry2.getKey());
         assertThat(nameAndIcon.icon).isEqualTo(mockDrawable2);
     }
 
@@ -297,6 +337,40 @@
         assertThat(entry.isSystemEntry()).isTrue();
     }
 
+    @Test
+    public void testUpdateRestrictionFlagState_updateFlagAsExpected() throws Exception {
+        final String expectedAppLabel = "fake app label";
+        final String fakePackageName = "com.fake.google.com";
+        final ContentValues values = getContentValuesWithType(
+            ConvertUtils.CONSUMER_TYPE_UID_BATTERY);
+        values.put("uid", /*invalid uid*/ 10001);
+        values.put("packageName", fakePackageName);
+        final BatteryDiffEntry entry =
+            createBatteryDiffEntry(10, new BatteryHistEntry(values));
+
+        entry.updateRestrictionFlagState();
+        // Sets false if the app entry cannot be found.
+        assertThat(entry.mValidForRestriction).isFalse();
+
+        doReturn(BatteryUtils.UID_NULL).when(mockPackageManager).getPackageUid(
+            entry.getPackageName(), PackageManager.GET_META_DATA);
+        entry.updateRestrictionFlagState();
+        // Sets false if the app is invalid package name.
+        assertThat(entry.mValidForRestriction).isFalse();
+
+        doReturn(1000).when(mockPackageManager).getPackageUid(
+            entry.getPackageName(), PackageManager.GET_META_DATA);
+        entry.updateRestrictionFlagState();
+        // Sets false if the app PackageInfo cannot be found.
+        assertThat(entry.mValidForRestriction).isFalse();
+
+        doReturn(mockPackageInfo).when(mockPackageManager).getPackageInfo(
+            eq(entry.getPackageName()), anyInt());
+        entry.updateRestrictionFlagState();
+        // Sets true if package is valid and PackageInfo can be found.
+        assertThat(entry.mValidForRestriction).isTrue();
+    }
+
     private BatteryDiffEntry createBatteryDiffEntry(
             int consumerType, long uid, boolean isHidden) {
         final ContentValues values = getContentValuesWithType(consumerType);