diff options
| -rw-r--r-- | core/api/current.txt | 1 | ||||
| -rw-r--r-- | core/java/android/view/animation/AnimationUtils.java | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/core/api/current.txt b/core/api/current.txt index 00e3effa461c..25de0818fa1f 100644 --- a/core/api/current.txt +++ b/core/api/current.txt @@ -54926,6 +54926,7 @@ package android.view.animation { public class AnimationUtils { ctor public AnimationUtils(); method public static long currentAnimationTimeMillis(); + method public static long getExpectedPresentationTimeMillis(); method public static long getExpectedPresentationTimeNanos(); method public static android.view.animation.Animation loadAnimation(android.content.Context, @AnimRes int) throws android.content.res.Resources.NotFoundException; method public static android.view.animation.Interpolator loadInterpolator(android.content.Context, @AnimRes @InterpolatorRes int) throws android.content.res.Resources.NotFoundException; diff --git a/core/java/android/view/animation/AnimationUtils.java b/core/java/android/view/animation/AnimationUtils.java index f31a43f5924f..8ba8b8cca5ed 100644 --- a/core/java/android/view/animation/AnimationUtils.java +++ b/core/java/android/view/animation/AnimationUtils.java @@ -30,6 +30,7 @@ import android.content.res.Resources.Theme; import android.content.res.XmlResourceParser; import android.os.SystemClock; import android.util.AttributeSet; +import android.util.TimeUtils; import android.util.Xml; import android.view.InflateException; @@ -156,6 +157,18 @@ public class AnimationUtils { } /** + * The expected presentation time of a frame in the {@link SystemClock#uptimeMillis()}. + * Developers should prefer using this method over {@link #currentAnimationTimeMillis()} + * because it offers a more accurate time for the calculating animation progress. + * + * @return the expected presentation time of a frame in the + * {@link SystemClock#uptimeMillis()} time base. + */ + public static long getExpectedPresentationTimeMillis() { + return getExpectedPresentationTimeNanos() / TimeUtils.NANOS_PER_MS; + } + + /** * Loads an {@link Animation} object from a resource * * @param context Application context used to access resources |