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Commit d2486196 authored by Saumya Pathak's avatar Saumya Pathak
Browse files

Adding StorageStats API to get external cache size 

Test: atest StorageHostTest and also manually using StorageTestApp
to use the API and display the cache size.

Bug: 175016452
Change-Id: Iff0503c1643ee5fc501037e413aa4b5461ca3388
parent 0d765236

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -8163,6 +8163,7 @@ package android.app.usage { 
    method public long getAppBytes();

    method public long getCacheBytes();

    method public long getDataBytes();

    method public long getExternalCacheBytes();

    method public void writeToParcel(android.os.Parcel, int);

    field @NonNull public static final android.os.Parcelable.Creator<android.app.usage.StorageStats> CREATOR;

  }

core/java/android/app/usage/StorageStats.java

+14 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ public final class StorageStats implements Parcelable { 
    /** {@hide} */ public long codeBytes;

    /** {@hide} */ public long dataBytes;

    /** {@hide} */ public long cacheBytes;

    /** {@hide} */ public long externalCacheBytes;



    /**

     * Return the size of app. This includes {@code APK} files, optimized
@@ -77,6 +78,17 @@ public final class StorageStats implements Parcelable { 
        return cacheBytes;

    }



    /**

     * Return the size of all cached data in the primary external/shared storage.

     * This includes files stored under

     * {@link Context#getExternalCacheDir()}.

     * <p>

     * Cached data is isolated for each user on a multiuser device.

     */

    public @BytesLong long getExternalCacheBytes() {

        return externalCacheBytes;

    }



    /** {@hide} */

    public StorageStats() {

    }
@@ -86,6 +98,7 @@ public final class StorageStats implements Parcelable { 
        this.codeBytes = in.readLong();

        this.dataBytes = in.readLong();

        this.cacheBytes = in.readLong();

        this.externalCacheBytes = in.readLong();

    }



    @Override
@@ -98,6 +111,7 @@ public final class StorageStats implements Parcelable { 
        dest.writeLong(codeBytes);

        dest.writeLong(dataBytes);

        dest.writeLong(cacheBytes);

        dest.writeLong(externalCacheBytes);

    }



    public static final @android.annotation.NonNull Creator<StorageStats> CREATOR = new Creator<StorageStats>() {

services/usage/java/com/android/server/usage/StorageStatsService.java

+1 −0
Original line number Diff line number Diff line
@@ -514,6 +514,7 @@ public class StorageStatsService extends IStorageStatsManager.Stub { 
        res.codeBytes = stats.codeSize + stats.externalCodeSize;

        res.dataBytes = stats.dataSize + stats.externalDataSize;

        res.cacheBytes = stats.cacheSize + stats.externalCacheSize;

        res.externalCacheBytes = stats.externalCacheSize;

        return res;

    }