commit 96d4ec4544204b8f27dd96bd043cd13927ecb4aa
author Hyunyoung Song <hyunyoungs@google.com> Tue May 04 09:08:09 2021 -0700
committer Hyunyoung Song <hyunyoungs@google.com> Tue May 04 23:59:48 2021 +0000
tree 9bac96149a9ee4346dd81e9fcebb90ded2f6d499
parent cff951ab18ef184f99799f3566791f053f88b59f

All apps motion tuning [1/n]

- reverse spring direction to enable overshoot
- change master interpolators for swipe / fling

Test: manual
Bug: 183001675
Bug: 186121789
Change-Id: I5869d84daab99594cc2a261cb8f5d28e0293afe1

src/com/android/launcher3/allapps/AllAppsContainerView.java

diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 40f7ab1..1d31caf 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -75,7 +75,7 @@
 public class AllAppsContainerView extends SpringRelativeLayout implements DragSource,
         Insettable, OnDeviceProfileChangeListener, OnActivePageChangedListener {
 
-    private static final float FLING_VELOCITY_MULTIPLIER = 1800f;
+    private static final float FLING_VELOCITY_MULTIPLIER = 1000f;
 
     // Starts the springs after at least 25% of the animation has passed.
     private static final float FLING_ANIMATION_THRESHOLD = 0.25f;
@@ -611,7 +611,7 @@
             public void onAnimationUpdate(ValueAnimator valueAnimator) {
                 if (shouldSpring
                         && valueAnimator.getAnimatedFraction() >= FLING_ANIMATION_THRESHOLD) {
-                    absorbSwipeUpVelocity(-Math.abs(
+                    absorbSwipeUpVelocity(Math.abs(
                             Math.round(velocity * FLING_VELOCITY_MULTIPLIER)));
                     shouldSpring = false;
                 }

src/com/android/launcher3/allapps/AllAppsTransitionController.java

diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index c61c0d6..c4c7891 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -15,13 +15,15 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.ALL_APPS_CONTENT;
-import static com.android.launcher3.LauncherState.OVERVIEW;
-import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
+import static com.android.launcher3.anim.Interpolators.ACCEL_0_75;
+import static com.android.launcher3.anim.Interpolators.ACCEL_2;
+import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.PropertySetter.NO_ANIM_PROPERTY_SETTER;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_FADE;
-import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_VERTICAL_PROGRESS;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_ALLAPPS;
 
@@ -154,9 +156,9 @@
             return;
         }
 
-        Interpolator interpolator = config.userControlled ? LINEAR : toState == OVERVIEW
-                ? config.getInterpolator(ANIM_OVERVIEW_SCALE, FAST_OUT_SLOW_IN)
-                : FAST_OUT_SLOW_IN;
+        Interpolator interpolator = toState.equals(ALL_APPS)
+                ? (config.userControlled ? ACCEL_2 : ACCEL_0_75) :
+                        (config.userControlled ? DEACCEL_2 : DEACCEL);
 
         Animator anim = createSpringAnimation(mProgress, targetProgress);
         anim.setInterpolator(config.getInterpolator(ANIM_VERTICAL_PROGRESS, interpolator));