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Commit 7e50a582 authored by Jian-Syuan (Shane) Wong's avatar Jian-Syuan (Shane) Wong
Browse files

Add getExpectedPresentationTimeMillis 

Add getExpectedPresentationTimeMillis to AnimationUtils that offers a
differnt time unit (milliseconds) other than
getExpectedPresentationTimeNanos.

bug: 283122385
Test: atest AnimationUtilsTest
Change-Id: I888ec9fc69a57377e8594e2c4fc3476c9f31feb3
parent 1e800b82

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -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;

core/java/android/view/animation/AnimationUtils.java

+13 −0
Original line number Diff line number Diff line
@@ -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;
@@ -155,6 +156,18 @@ public class AnimationUtils { 
        return state.mExpectedPresentationTimeNanos;

    }



    /**

     * 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

     *