[Battery usage U] [UI] Add a threshold to filter out very small battery usage items in the app list

Bug: 264840285
Fix: 264840285
Test: manual
Change-Id: I36a6c0dc284d09efcf82316db1541d289c37b16f

src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java

@@ -35,6 +35,11 @@ public interface PowerUsageFeatureProvider {
      */
     boolean isBatteryUsageEnabled();
 
+    /**
+     * Returns a threshold (mA) for the minimal comsume power in battery usage list
+     */
+    double getBatteryUsageListConsumePowerThreshold();
+
     /**
      * Returns an allowlist of app names combined into the system-apps item
      */
@@ -46,7 +51,7 @@ public interface PowerUsageFeatureProvider {
     boolean isLocationSettingEnabled(String[] packages);
 
     /**
-     * Gets an {@link Intent} to show additional battery info.
+     * Gets an {@link Intent} to show additional battery info
      */
     Intent getAdditionalBatteryInfoIntent();
 
@@ -61,37 +66,37 @@ public interface PowerUsageFeatureProvider {
     boolean isTypeSystem(int uid, String[] packages);
 
     /**
-     * Returns an improved prediction for battery time remaining.
+     * Returns an improved prediction for battery time remaining
      */
     Estimate getEnhancedBatteryPrediction(Context context);
 
     /**
-     * Returns an improved projection curve for future battery level.
+     * Returns an improved projection curve for future battery level
      *
      * @param zeroTime timestamps (array keys) are shifted by this amount
      */
     SparseIntArray getEnhancedBatteryPredictionCurve(Context context, long zeroTime);
 
     /**
-     * Checks whether the toggle for enhanced battery predictions is enabled.
+     * Checks whether the toggle for enhanced battery predictions is enabled
      */
     boolean isEnhancedBatteryPredictionEnabled(Context context);
 
     /**
-     * Checks whether debugging should be enabled for battery estimates.
+     * Checks whether debugging should be enabled for battery estimates
      */
     boolean isEstimateDebugEnabled();
 
     /**
      * Converts the provided string containing the remaining time into a debug string for enhanced
-     * estimates.
+     * estimates
      *
      * @return A string containing the estimate and a label indicating it is an enhanced estimate
      */
     String getEnhancedEstimateDebugString(String timeRemaining);
 
     /**
-     * Converts the provided string containing the remaining time into a debug string.
+     * Converts the provided string containing the remaining time into a debug string
      *
      * @return A string containing the estimate and a label indicating it is a normal estimate
      */
@@ -103,7 +108,7 @@ public interface PowerUsageFeatureProvider {
     boolean isSmartBatterySupported();
 
     /**
-     * Checks whether we should show usage information by slots or not.
+     * Checks whether we should show usage information by slots or not
      */
     boolean isChartGraphSlotsEnabled(Context context);
 
@@ -123,7 +128,7 @@ public interface PowerUsageFeatureProvider {
     boolean isExtraDefend();
 
     /**
-     * Returns {@code true} if delay the hourly job when device is booting.
+     * Returns {@code true} if delay the hourly job when device is booting
      */
     boolean delayHourlyJobWhenBooting();
 
@@ -133,27 +138,27 @@ public interface PowerUsageFeatureProvider {
     Intent getResumeChargeIntent(boolean isDockDefender);
 
     /**
-     * Returns {@link Set} for the system component ids which are combined into others.
+     * Returns {@link Set} for the system component ids which are combined into others
      */
     Set<Integer> getOthersSystemComponentSet();
 
     /**
-     * Returns {@link Set} for hiding system component ids in the usage screen.
+     * Returns {@link Set} for hiding system component ids in the usage screen
      */
     Set<Integer> getHideSystemComponentSet();
 
     /**
-     * Returns {@link Set} for hiding application package names in the usage screen.
+     * Returns {@link Set} for hiding application package names in the usage screen
      */
     Set<String> getHideApplicationSet();
 
     /**
-     * Returns {@link Set} for hiding applications background usage time.
+     * Returns {@link Set} for hiding applications background usage time
      */
     Set<String> getHideBackgroundUsageTimeSet();
 
     /**
-     * Returns {@link Set} for ignoring task root class names for screen on time.
+     * Returns {@link Set} for ignoring task root class names for screen on time
      */
     Set<String> getIgnoreScreenOnTimeTaskRootSet();
 }

src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java

@@ -71,6 +71,11 @@ public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider
         return true;
     }
 
+    @Override
+    public double getBatteryUsageListConsumePowerThreshold() {
+        return 0.0;
+    }
+
     @Override
     public List<String> getSystemAppsAllowlist() {
         return null;

src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java

@@ -48,7 +48,7 @@ public class BatteryDiffData {
         if (!isAccumulated) {
             final PowerUsageFeatureProvider featureProvider =
                     FeatureFactory.getFactory(context).getPowerUsageFeatureProvider(context);
-            purgeFakeAndHiddenPackages(featureProvider);
+            purgeBatteryDiffData(featureProvider);
             combineBatteryDiffEntry(context, featureProvider);
         }
 
@@ -65,9 +65,9 @@ public class BatteryDiffData {
     }
 
     /** Removes fake usage data and hidden packages. */
-    private void purgeFakeAndHiddenPackages(final PowerUsageFeatureProvider featureProvider) {
-        purgeFakeAndHiddenPackages(featureProvider, mAppEntries);
-        purgeFakeAndHiddenPackages(featureProvider, mSystemEntries);
+    private void purgeBatteryDiffData(final PowerUsageFeatureProvider featureProvider) {
+        purgeBatteryDiffData(featureProvider, mAppEntries);
+        purgeBatteryDiffData(featureProvider, mSystemEntries);
     }
 
     /** Combines into SystemAppsBatteryDiffEntry and OthersBatteryDiffEntry. */
@@ -89,9 +89,11 @@ public class BatteryDiffData {
         Collections.sort(mSystemEntries, BatteryDiffEntry.COMPARATOR);
     }
 
-    private static void purgeFakeAndHiddenPackages(
+    private static void purgeBatteryDiffData(
             final PowerUsageFeatureProvider featureProvider,
             final List<BatteryDiffEntry> entries) {
+        final double consumePowerThreshold =
+                featureProvider.getBatteryUsageListConsumePowerThreshold();
         final Set<Integer> hideSystemComponentSet = featureProvider.getHideSystemComponentSet();
         final Set<String> hideBackgroundUsageTimeSet =
                 featureProvider.getHideBackgroundUsageTimeSet();
@@ -99,9 +101,11 @@ public class BatteryDiffData {
         final Iterator<BatteryDiffEntry> iterator = entries.iterator();
         while (iterator.hasNext()) {
             final BatteryDiffEntry entry = iterator.next();
+            final double comsumePower = entry.mConsumePower;
             final String packageName = entry.getPackageName();
             final Integer componentId = entry.mBatteryHistEntry.mDrainType;
-            if (ConvertUtils.FAKE_PACKAGE_NAME.equals(packageName)
+            if (comsumePower < consumePowerThreshold
+                    || ConvertUtils.FAKE_PACKAGE_NAME.equals(packageName)
                     || hideSystemComponentSet.contains(componentId)
                     || (packageName != null && hideApplicationSet.contains(packageName))) {
                 iterator.remove();

tests/robotests/src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImplTest.java

@@ -67,6 +67,11 @@ public class PowerUsageFeatureProviderImplTest {
         assertThat(mPowerFeatureProvider.isBatteryUsageEnabled()).isTrue();
     }
 
+    @Test
+    public void testGetBatteryUsageListConsumePowerThreshold_return0() {
+        assertThat(mPowerFeatureProvider.getBatteryUsageListConsumePowerThreshold()).isEqualTo(0.0);
+    }
+
     @Test
     public void testIsTypeSystem_uidRoot_returnTrue() {
         assertThat(mPowerFeatureProvider.isTypeSystem(Process.ROOT_UID, null)).isTrue();