Refactor "spring" code into one method.
+ Increases the alpha duration of the staggered spring views.
Bug: 109828964
Change-Id: Id7dff9718dfcd5ca5653fdde36d3792201f483b5
diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 4108cd2..252e3ea 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -57,6 +57,7 @@
import android.os.Handler;
import android.os.Looper;
import android.util.Pair;
+import android.util.Property;
import android.view.View;
import android.view.ViewGroup;
@@ -804,25 +805,9 @@
float shiftRange = allAppsController.getShiftRange();
float slideStart = shiftRange / (shiftRange - mStartSlideTransY);
float oscillateStart = shiftRange / (shiftRange - mEndSlideTransY);
- // Ensures a clean hand-off between slide and oscillate.
- float slideEnd = Utilities.mapToRange(0, 0, 1f, oscillateStart, 1, OSCILLATE);
- allAppsController.setProgress(slideStart);
- Animator slideIn = ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS,
- slideStart, slideEnd);
- slideIn.setDuration(SPRING_SLIDE_DURATION);
- slideIn.setInterpolator(DEACCEL);
-
- Animator oscillate = ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS,
- oscillateStart, 1f);
- oscillate.setDuration(SPRING_OSCILLATE_DURATION);
- oscillate.setInterpolator(OSCILLATE);
-
- Animator settle = ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS, 1f);
- settle.setDuration(SPRING_SETTLE_DURATION);
- settle.setInterpolator(LINEAR);
-
- workspaceAnimator.playSequentially(slideIn, oscillate, settle);
+ buildSpringAnimation(workspaceAnimator, allAppsController, ALL_APPS_PROGRESS,
+ 0 /* startDelay */, slideStart, oscillateStart, 1f /* finalPosition */);
}
mDragLayer.getScrim().hideSysUiScrim(true);
@@ -852,28 +837,13 @@
v.setAlpha(0);
ObjectAnimator alpha = ObjectAnimator.ofFloat(v, View.ALPHA, 1f);
alpha.setInterpolator(LINEAR);
- alpha.setDuration(SPRING_SLIDE_DURATION);
+ alpha.setDuration(SPRING_SLIDE_DURATION + SPRING_OSCILLATE_DURATION);
alpha.setStartDelay(startDelay);
outAnimator.play(alpha);
- // Ensures a clean hand-off between slide and oscillate.
- float slideEnd = Utilities.mapToRange(0, 0, 1f, mEndSlideTransY, 0, OSCILLATE);
- v.setTranslationY(mStartSlideTransY);
- ObjectAnimator slideIn = ObjectAnimator.ofFloat(v, TRANSLATION_Y, mStartSlideTransY,
- slideEnd);
- slideIn.setInterpolator(DEACCEL);
- slideIn.setStartDelay(startDelay);
- slideIn.setDuration(SPRING_SLIDE_DURATION);
+ buildSpringAnimation(outAnimator, v, TRANSLATION_Y, startDelay, mStartSlideTransY,
+ mEndSlideTransY, 0f /* finalPosition */);
- ObjectAnimator oscillate = ObjectAnimator.ofFloat(v, TRANSLATION_Y, mEndSlideTransY, 0);
- oscillate.setInterpolator(OSCILLATE);
- oscillate.setDuration(SPRING_OSCILLATE_DURATION);
-
- ObjectAnimator settle = ObjectAnimator.ofFloat(v, TRANSLATION_Y, 0);
- settle.setInterpolator(LINEAR);
- settle.setDuration(SPRING_SETTLE_DURATION);
-
- outAnimator.playSequentially(slideIn, oscillate, settle);
outAnimator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
@@ -883,6 +853,36 @@
});
}
+ /**
+ * Spring animations consists of three sequential animators: a slide, an oscillation, and
+ * a settle.
+ */
+ private <T> void buildSpringAnimation(AnimatorSet outAnimator, T objectToSpring,
+ Property<T, Float> property, long startDelay, float slideStart, float oscillateStart,
+ float finalPosition) {
+ // Ensures a clean hand-off between slide and oscillate.
+ float slideEnd = Utilities.mapToRange(0, 0, 1f, oscillateStart, finalPosition, OSCILLATE);
+
+ property.set(objectToSpring, slideStart);
+
+ ObjectAnimator slideIn = ObjectAnimator.ofFloat(objectToSpring, property, slideStart,
+ slideEnd);
+ slideIn.setInterpolator(DEACCEL);
+ slideIn.setStartDelay(startDelay);
+ slideIn.setDuration(SPRING_SLIDE_DURATION);
+
+ ObjectAnimator oscillate = ObjectAnimator.ofFloat(objectToSpring, property, oscillateStart,
+ finalPosition);
+ oscillate.setInterpolator(OSCILLATE);
+ oscillate.setDuration(SPRING_OSCILLATE_DURATION);
+
+ ObjectAnimator settle = ObjectAnimator.ofFloat(objectToSpring, property, finalPosition);
+ settle.setInterpolator(LINEAR);
+ settle.setDuration(SPRING_SETTLE_DURATION);
+
+ outAnimator.playSequentially(slideIn, oscillate, settle);
+ }
+
private void resetContentView() {
mLauncher.getWorkspace().getPageIndicator().skipAnimationsToEnd();
mDragLayerAlpha.setValue(1f);