Remove redundant methods and refactor

Remove the summary method and write the code in AOSP directly instead to
force string consistency. Also refactor a bit after the modification.

Fixes: 276399056
Test: robotests
Change-Id: I76ad740b694363a3cdfb3748e41c840fb678b93d

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

@@ -16,77 +16,16 @@
 
 package com.android.settings.fuelgauge;
 
-import android.content.Context;
-import android.os.BatteryManager;
-
-import java.time.Instant;
-import java.time.ZoneId;
-import java.time.format.DateTimeFormatter;
-import java.time.format.FormatStyle;
-import java.util.concurrent.TimeUnit;
-
 /** Feature provider implementation for battery settings usage. */
 public class BatterySettingsFeatureProviderImpl implements BatterySettingsFeatureProvider {
 
-    protected Context mContext;
-
-    private BatteryManager mBatteryManager;
-    private long mManufactureDateInMs;
-    private long mFirstUseDateInMs;
-
-    public BatterySettingsFeatureProviderImpl(Context context) {
-        mContext = context.getApplicationContext();
-        mBatteryManager = mContext.getSystemService(BatteryManager.class);
-    }
-
     @Override
-    public boolean isManufactureDateAvailable() {
+    public boolean isManufactureDateAvailable(long manufactureDateMs) {
         return false;
     }
 
     @Override
-    public boolean isFirstUseDateAvailable() {
+    public boolean isFirstUseDateAvailable(long firstUseDateMs) {
         return false;
     }
-
-    @Override
-    public CharSequence getManufactureDateSummary() {
-        return isManufactureDateAvailable()
-                ? getFormattedDate(getManufactureDate())
-                : null;
-    }
-
-    @Override
-    public CharSequence getFirstUseDateSummary() {
-        return isFirstUseDateAvailable()
-                ? getFormattedDate(getFirstUseDate())
-                : null;
-    }
-
-    protected long getManufactureDate() {
-        if (mManufactureDateInMs == 0L) {
-            final long manufactureDateInSec = mBatteryManager.getLongProperty(
-                    BatteryManager.BATTERY_PROPERTY_MANUFACTURING_DATE);
-            mManufactureDateInMs = TimeUnit.MILLISECONDS.convert(manufactureDateInSec,
-                    TimeUnit.SECONDS);
-        }
-        return mManufactureDateInMs;
-    }
-
-    protected long getFirstUseDate() {
-        if (mFirstUseDateInMs == 0L) {
-            final long firstUseDateInSec = mBatteryManager.getLongProperty(
-                    BatteryManager.BATTERY_PROPERTY_FIRST_USAGE_DATE);
-            mFirstUseDateInMs = TimeUnit.MILLISECONDS.convert(firstUseDateInSec, TimeUnit.SECONDS);
-        }
-        return mFirstUseDateInMs;
-    }
-
-    private CharSequence getFormattedDate(long dateInMs) {
-        final Instant instant = Instant.ofEpochMilli(dateInMs);
-        final String localDate = instant.atZone(ZoneId.systemDefault()).toLocalDate().format(
-                DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG));
-
-        return localDate;
-    }
 }