diff --git a/framework-t/src/android/net/NetworkStats.java b/framework-t/src/android/net/NetworkStats.java index 9d532e7929..9175809d9c 100644 --- a/framework-t/src/android/net/NetworkStats.java +++ b/framework-t/src/android/net/NetworkStats.java @@ -41,6 +41,7 @@ import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.util.Arrays; import java.util.HashSet; +import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Objects; @@ -57,7 +58,7 @@ import java.util.function.Predicate; */ // @NotThreadSafe @SystemApi -public final class NetworkStats implements Parcelable { +public final class NetworkStats implements Parcelable, Iterable { private static final String TAG = "NetworkStats"; /** @@ -677,6 +678,35 @@ public final class NetworkStats implements Parcelable { operations[i] = entry.operations; } + /** + * Iterate over Entry objects. + * + * Return an iterator of this object that will iterate through all contained Entry objects. + * + * This iterator does not support concurrent modification and makes no guarantee of fail-fast + * behavior. If any method that can mutate the contents of this object is called while + * iteration is in progress, either inside the loop or in another thread, then behavior is + * undefined. + * The remove() method is not implemented and will throw UnsupportedOperationException. + * @hide + */ + @SystemApi + @NonNull public Iterator iterator() { + return new Iterator() { + int mIndex = 0; + + @Override + public boolean hasNext() { + return mIndex < size; + } + + @Override + public Entry next() { + return getValues(mIndex++, null); + } + }; + } + /** * Return specific stats entry. * @hide