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Commit c9a7c50f authored by Jon Miranda's avatar Jon Miranda
Browse files

Tune app closing/launcher resume animation "spring" values. 

Bug: 109828964
Change-Id: I64252667451f511b7affdde5ffb28812876e7f4c
parent 563bc3d1

quickstep/res/values/dimens.xml

+2 −1
Original line number Diff line number Diff line
@@ -33,7 +33,8 @@ 


    <!-- Launcher app transition -->

    <dimen name="content_trans_y">50dp</dimen>

    <dimen name="springs_trans_y">-70dp</dimen>

    <dimen name="springs_start_slide_trans_y">-100dp</dimen>

    <dimen name="springs_end_slide_trans_y">6.25dp</dimen>

    <dimen name="closing_window_trans_y">115dp</dimen>



    <dimen name="recents_empty_message_text_size">16sp</dimen>

quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java

+9 −9
Original line number Diff line number Diff line
@@ -125,13 +125,13 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag 
    // Progress = 0: All apps is fully pulled up, Progress = 1: All apps is fully pulled down.

    public static final float ALL_APPS_PROGRESS_OFF_SCREEN = 1.3059858f;



    private static final int APP_CLOSE_ROW_START_DELAY_MS = 8;

    private static final int APP_CLOSE_ROW_START_DELAY_MS = 9;



    // The sum of [slide, oscillate, and settle] should be <= LAUNCHER_RESUME_TOTAL_DURATION.

    private static final int LAUNCHER_RESUME_TOTAL_DURATION = 346;

    private static final int SPRING_SLIDE_DURATION = 166;

    private static final int SPRING_OSCILLATE_DURATION = 130;

    private static final int SPRING_SETTLE_DURATION = 50;

    private static final int SPRING_SLIDE_DURATION = 170;

    private static final int SPRING_OSCILLATE_DURATION = 550;

    private static final int SPRING_SETTLE_DURATION = 25;



    private static final int SPRING_ALPHA_DURATION = 100;



    private final Launcher mLauncher;

    private final DragLayer mDragLayer;
@@ -173,8 +173,8 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag 
        Resources res = mLauncher.getResources();

        mContentTransY = res.getDimensionPixelSize(R.dimen.content_trans_y);

        mClosingWindowTransY = res.getDimensionPixelSize(R.dimen.closing_window_trans_y);

        mStartSlideTransY = res.getDimensionPixelSize(R.dimen.springs_trans_y);

        mEndSlideTransY = -mStartSlideTransY * 0.1f;

        mStartSlideTransY = res.getDimensionPixelSize(R.dimen.springs_start_slide_trans_y);

        mEndSlideTransY = res.getDimensionPixelSize(R.dimen.springs_end_slide_trans_y);



        mLauncher.addOnDeviceProfileChangeListener(this);

        registerRemoteAnimations();
@@ -837,7 +837,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag 
        v.setAlpha(0);

        ObjectAnimator alpha = ObjectAnimator.ofFloat(v, View.ALPHA, 1f);

        alpha.setInterpolator(LINEAR);

        alpha.setDuration(SPRING_SLIDE_DURATION + SPRING_OSCILLATE_DURATION);

        alpha.setDuration(SPRING_ALPHA_DURATION);

        alpha.setStartDelay(startDelay);

        outAnimator.play(alpha);

src/com/android/launcher3/anim/Interpolators.java

+5 −3
Original line number Diff line number Diff line
@@ -119,18 +119,20 @@ public class Interpolators { 
    public static final Interpolator OSCILLATE = new Interpolator() {



        // Used to scale the oscillations horizontally

        private final float horizontalScale = 1f;

        private final float horizontalScale = 4f;

        // Used to shift the oscillations horizontally

        private final float horizontalShift = 0.5f;

        private final float horizontalShift = 0.22f;

        // Used to scale the oscillations vertically

        private final float verticalScale = 1f;

        // Used to shift the oscillations vertically

        private final float verticalShift = 1f;

        // Amplitude of oscillation

        private final float amplitude = 0.9f;



        @Override

        public float getInterpolation(float t) {

            t = horizontalScale * (t + horizontalShift);

            return (float) ((verticalScale * (Math.exp(-t) * Math.cos(2 * Math.PI * t)))

            return (float) ((verticalScale * (Math.exp(-t) * Math.cos(amplitude * Math.PI * t)))

                    + verticalShift);

        }

    };