Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 09e25c5c authored by Jorim Jaggi's avatar Jorim Jaggi
Browse files

Add option to trace animation fraction 

In order to investigate animation value skipping directly from
traces when needed.

Bug: 210125581
Change-Id: I6febb148de12bb586344d29e4713ac7e523714ea
parent 5bb7a510

core/java/android/animation/ValueAnimator.java

+7 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ import android.annotation.TestApi; 
import android.compat.annotation.UnsupportedAppUsage;

import android.os.Build;

import android.os.Looper;

import android.os.SystemProperties;

import android.os.Trace;

import android.util.AndroidRuntimeException;

import android.util.Log;
@@ -74,6 +75,8 @@ import java.util.HashMap; 
public class ValueAnimator extends Animator implements AnimationHandler.AnimationFrameCallback {

    private static final String TAG = "ValueAnimator";

    private static final boolean DEBUG = false;

    private static final boolean TRACE_ANIMATION_FRACTION = SystemProperties.getBoolean(

            "persist.debug.animator.trace_fraction", false);



    /**

     * Internal constants
@@ -1554,6 +1557,10 @@ public class ValueAnimator extends Animator implements AnimationHandler.Animatio 
    @CallSuper

    @UnsupportedAppUsage

    void animateValue(float fraction) {

        if (TRACE_ANIMATION_FRACTION) {

            Trace.traceCounter(Trace.TRACE_TAG_VIEW, getNameForTrace() + hashCode(),

                    (int) (fraction * 1000));

        }

        fraction = mInterpolator.getInterpolation(fraction);

        mCurrentFraction = fraction;

        int numValues = mValues.length;