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Commit e72b2d2b authored by YK Hung's avatar YK Hung
Browse files

Remove unsued legacy clearMemory() method 

Test: atest
Bug: 373544647
Flag: EXEMPT for simple fix
Change-Id: I0efff624a0d05ec3b6b1ff34ba15db7a2abac031
parent b34562ef

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

+0 −30
Original line number Diff line number Diff line
@@ -31,8 +31,6 @@ import android.net.Uri; 
import android.os.AsyncTask;

import android.os.BatteryManager;

import android.os.BatteryUsageStats;

import android.os.Handler;

import android.os.Looper;

import android.os.RemoteException;

import android.os.SystemClock;

import android.os.UserManager;
@@ -66,12 +64,6 @@ import java.util.stream.Collectors; 
public final class DatabaseUtils {

    private static final String TAG = "DatabaseUtils";

    private static final String SHARED_PREFS_FILE = "battery_usage_shared_prefs";

    private static final boolean EXPLICIT_CLEAR_MEMORY_ENABLED = false;



    /** Clear memory threshold for device booting phase. */

    private static final long CLEAR_MEMORY_THRESHOLD_MS = Duration.ofMinutes(5).toMillis();



    private static final long CLEAR_MEMORY_DELAYED_MS = Duration.ofSeconds(2).toMillis();

    private static final long INVALID_TIMESTAMP = 0L;



    static final int DATA_RETENTION_INTERVAL_DAY = 9;
@@ -593,7 +585,6 @@ public final class DatabaseUtils { 
                String.format(

                        "sendAppUsageEventData() size=%d in %d/ms",

                        size, (System.currentTimeMillis() - startTime)));

        clearMemory();

        return valuesList;

    }
@@ -613,7 +604,6 @@ public final class DatabaseUtils { 
                String.format(

                        "sendBatteryEventData() in %d/ms",

                        (System.currentTimeMillis() - startTime)));

        clearMemory();

        return contentValues;

    }
@@ -647,7 +637,6 @@ public final class DatabaseUtils { 
                String.format(

                        "sendBatteryEventData() size=%d in %d/ms",

                        size, (System.currentTimeMillis() - startTime)));

        clearMemory();

        return valuesList;

    }
@@ -681,7 +670,6 @@ public final class DatabaseUtils { 
                String.format(

                        "sendBatteryUsageSlotData() size=%d in %d/ms",

                        size, (System.currentTimeMillis() - startTime)));

        clearMemory();

        return valuesList;

    }
@@ -695,7 +683,6 @@ public final class DatabaseUtils { 
        final Intent intent = BatteryUtils.getBatteryIntent(context);

        if (intent == null) {

            Log.e(TAG, "sendBatteryEntryData(): cannot fetch battery intent");

            clearMemory();

            return null;

        }

        final int batteryLevel = BatteryStatus.getBatteryLevel(intent);
@@ -796,7 +783,6 @@ public final class DatabaseUtils { 
        if (isFullChargeStart) {

            recordDateTime(context, KEY_LAST_UPLOAD_FULL_CHARGE_TIME);

        }

        clearMemory();

        return valuesList;

    }
@@ -992,20 +978,4 @@ public final class DatabaseUtils { 
            writer.println(String.format("\t\t%s: %s", prefix, results.toString()));

        }

    }



    private static void clearMemory() {

        if (!EXPLICIT_CLEAR_MEMORY_ENABLED

                || SystemClock.uptimeMillis() > CLEAR_MEMORY_THRESHOLD_MS) {

            return;

        }

        final Handler mainHandler = new Handler(Looper.getMainLooper());

        mainHandler.postDelayed(

                () -> {

                    System.gc();

                    System.runFinalization();

                    System.gc();

                    Log.w(TAG, "invoke clearMemory()");

                },

                CLEAR_MEMORY_DELAYED_MS);

    }

}