diff options
| -rw-r--r-- | core/java/android/view/animation/AnimationUtils.java | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/core/java/android/view/animation/AnimationUtils.java b/core/java/android/view/animation/AnimationUtils.java index 8ba8b8cca5ed..0699bc1cb734 100644 --- a/core/java/android/view/animation/AnimationUtils.java +++ b/core/java/android/view/animation/AnimationUtils.java @@ -32,6 +32,7 @@ import android.os.SystemClock; import android.util.AttributeSet; import android.util.TimeUtils; import android.util.Xml; +import android.view.Choreographer; import android.view.InflateException; import org.xmlpull.v1.XmlPullParser; @@ -153,7 +154,13 @@ public class AnimationUtils { */ public static long getExpectedPresentationTimeNanos() { AnimationState state = sAnimationState.get(); - return state.mExpectedPresentationTimeNanos; + if (state.animationClockLocked) { + return state.mExpectedPresentationTimeNanos; + } + // When this methoed is called outside of a Choreographer callback, + // we obtain the value of expectedPresentTimeNanos from the Choreographer. + // This helps avoid returning a time that could potentially be earlier than current time. + return Choreographer.getInstance().getLatestExpectedPresentTimeNanos(); } /** |