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platform_packages_apps_Launcher3
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Tweaks to synchronized app transitions. 

* Animations appear snappier by using new interpolators
  ie. new EXAGGERATED_EASE and updated AGGRESSIVE_EASE_IN_OUT
* Updated app icon/window alpha to make the motion/synchronization clearer.

Bug: 70220260
Change-Id: Ib05efc7f58d53b070e58f682f30651e31f9b3524
This commit is contained in:
Jon Miranda 2018-02-16 15:22:17 -08:00
parent bd3a798aa2
commit 863e05556e
2 changed files with 22 additions and 9 deletions
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16
quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
View File

@ -432,6 +432,8 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
boolean isBelowCenterY = lp.topMargin < centerY;
x.setDuration(isBelowCenterY ? 500 : 233);
y.setDuration(isBelowCenterY ? 233 : 500);
x.setInterpolator(Interpolators.AGGRESSIVE_EASE);
y.setInterpolator(Interpolators.AGGRESSIVE_EASE);
appIconAnimatorSet.play(x);
appIconAnimatorSet.play(y);
@ -444,18 +446,18 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
ObjectAnimator sY = ObjectAnimator.ofFloat(mFloatingView, View.SCALE_Y, 1f, scale);
sX.setDuration(500);
sY.setDuration(500);
sX.setInterpolator(Interpolators.EXAGGERATED_EASE);
sY.setInterpolator(Interpolators.EXAGGERATED_EASE);
appIconAnimatorSet.play(sX);
appIconAnimatorSet.play(sY);
// Fade out the app icon.
ObjectAnimator alpha = ObjectAnimator.ofFloat(mFloatingView, View.ALPHA, 1f, 0f);
alpha.setStartDelay(17);
alpha.setDuration(33);
alpha.setStartDelay(32);
alpha.setDuration(50);
alpha.setInterpolator(Interpolators.LINEAR);
appIconAnimatorSet.play(alpha);
for (Animator a : appIconAnimatorSet.getChildAnimations()) {
a.setInterpolator(Interpolators.AGGRESSIVE_EASE);
}
return appIconAnimatorSet;
}
@ -516,9 +518,9 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
// Fade in the app window.
float alphaDelay = 0;
float alphaDuration = 50;
float alphaDuration = 60;
float alpha = getValue(0f, 1f, alphaDelay, alphaDuration,
appAnimator.getDuration() * percent, Interpolators.AGGRESSIVE_EASE);
appAnimator.getDuration() * percent, Interpolators.LINEAR);
// Animate the window crop so that it starts off as a square, and then reveals
// horizontally.

15
src/com/android/launcher3/anim/Interpolators.java
View File

@ -16,6 +16,7 @@
package com.android.launcher3.anim;
import android.graphics.Path;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
@ -44,9 +45,19 @@ public class Interpolators {
public static final Interpolator FAST_OUT_SLOW_IN = new PathInterpolator(0.4f, 0f, 0.2f, 1f);
public static final Interpolator AGGRESSIVE_EASE = new PathInterpolator(0.2f, 0f, 0f, 1f);
public static final Interpolator AGGRESSIVE_EASE_IN_OUT = new PathInterpolator(0.8f,0, 0.4f, 1);
public static final Interpolator AGGRESSIVE_EASE_IN_OUT = new PathInterpolator(0.6f,0, 0.4f, 1);
public static final Interpolator APP_CLOSE_ALPHA = new PathInterpolator(0.9f, 0, 1f, 1f);
public static final Interpolator EXAGGERATED_EASE;
static {
Path exaggeratedEase = new Path();
exaggeratedEase.moveTo(0, 0);
exaggeratedEase.cubicTo(0.05f, 0f, 0.133333f, 0.08f, 0.166666f, 0.4f);
exaggeratedEase.cubicTo(0.225f, 0.94f, 0.5f, 1f, 1f, 1f);
EXAGGERATED_EASE = new PathInterpolator(exaggeratedEase);
}
public static final Interpolator APP_CLOSE_ALPHA = new PathInterpolator(0.4f, 0, 1f, 1f);
public static final Interpolator OVERSHOOT_0 = new OvershootInterpolator(0);