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Polishing home transitions

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-Modified interpolation / duration and some other characteristics
 of the transitions between home and AllApps / Customize

Change-Id: I9154800d500b394e4f826f6c88c14fb6e0164828
This commit is contained in:
Adam Cohen
2010-11-15 18:29:44 -08:00
parent 157a42142b
commit 61033d3d86
3 changed files with 85 additions and 39 deletions
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src/com/android/launcher2/Workspace.java
+62 -23
View File
@@ -847,11 +847,6 @@ public class Workspace extends SmoothPagedView
if (animated) {
final int duration = res.getInteger(R.integer.config_workspaceShrinkTime);
ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(cl,
PropertyValuesHolder.ofFloat("backgroundAlpha", finalAlpha),
PropertyValuesHolder.ofFloat("alpha", finalAlpha),
PropertyValuesHolder.ofFloat("rotationY", rotation));
anim.setDuration(duration);
ObjectAnimator animWithInterpolator = ObjectAnimator.ofPropertyValuesHolder(cl,
PropertyValuesHolder.ofFloat("x", newX),
@@ -859,10 +854,14 @@ public class Workspace extends SmoothPagedView
PropertyValuesHolder.ofFloat("scaleX",
SHRINK_FACTOR * rotationScaleX * extraShrinkFactor),
PropertyValuesHolder.ofFloat("scaleY",
SHRINK_FACTOR * rotationScaleY * extraShrinkFactor));
SHRINK_FACTOR * rotationScaleY * extraShrinkFactor),
PropertyValuesHolder.ofFloat("backgroundAlpha", finalAlpha),
PropertyValuesHolder.ofFloat("alpha", finalAlpha),
PropertyValuesHolder.ofFloat("rotationY", rotation));
animWithInterpolator.setDuration(duration);
animWithInterpolator.setInterpolator(mZInterpolator);
mAnimator.playTogether(anim, animWithInterpolator);
animWithInterpolator.setInterpolator(mZoomOutInterpolator);
mAnimator.playTogether(animWithInterpolator);
} else {
cl.setX((int)newX);
cl.setY((int)newY);
@@ -881,22 +880,64 @@ public class Workspace extends SmoothPagedView
setChildrenDrawnWithCacheEnabled(true);
}
private class ZInterpolator implements TimeInterpolator {
private final float focalLength = 0.2f;
/*
* This interpolator emulates the rate at which the perceived scale of an object changes
* as its distance from a camera increases. When this interpolator is applied to a scale
* animation on a view, it evokes the sense that the object is shrinking due to moving away
* from the camera.
*/
static class ZInterpolator implements TimeInterpolator {
private float focalLength;
public ZInterpolator(float foc) {
focalLength = foc;
}
public float getInterpolation(float input) {
return (1.0f - focalLength / (focalLength + input)) /
(1.0f - focalLength / (focalLength + 1.0f));
(1.0f - focalLength / (focalLength + 1.0f));
}
}
private class InverseZInterpolator implements TimeInterpolator {
/*
* The exact reverse of ZInterpolator.
*/
static class InverseZInterpolator implements TimeInterpolator {
private ZInterpolator zInterpolator;
public InverseZInterpolator(float foc) {
zInterpolator = new ZInterpolator(foc);
}
public float getInterpolation(float input) {
return 1 - mZInterpolator.getInterpolation(1 - input);
return 1 - zInterpolator.getInterpolation(1 - input);
}
}
private final ZInterpolator mZInterpolator = new ZInterpolator();
private final InverseZInterpolator mInverseZInterpolator = new InverseZInterpolator();
/*
* ZInterpolator compounded with an ease-out.
*/
static class ZoomOutInterpolator implements TimeInterpolator {
private final ZInterpolator zInterpolator = new ZInterpolator(0.2f);
private final DecelerateInterpolator decelerate = new DecelerateInterpolator(1.5f);
public float getInterpolation(float input) {
return decelerate.getInterpolation(zInterpolator.getInterpolation(input));
}
}
/*
* InvereZInterpolator compounded with an ease-out.
*/
static class ZoomInInterpolator implements TimeInterpolator {
private final InverseZInterpolator inverseZInterpolator = new InverseZInterpolator(0.35f);
private final DecelerateInterpolator decelerate = new DecelerateInterpolator(3.0f);
public float getInterpolation(float input) {
return decelerate.getInterpolation(inverseZInterpolator.getInterpolation(input));
}
}
private final ZoomOutInterpolator mZoomOutInterpolator = new ZoomOutInterpolator();
private final ZoomInInterpolator mZoomInInterpolator = new ZoomInInterpolator();
private void updateWhichPagesAcceptDrops(ShrinkPosition state) {
updateWhichPagesAcceptDropsHelper(state, false, 1, 1);
@@ -1026,20 +1067,18 @@ public class Workspace extends SmoothPagedView
}
if (animated) {
ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(cl,
PropertyValuesHolder.ofFloat("backgroundAlpha", 0.0f),
PropertyValuesHolder.ofFloat("alpha", finalAlphaValue),
PropertyValuesHolder.ofFloat("rotationY", rotation));
anim.setDuration(duration);
ObjectAnimator animWithInterpolator = ObjectAnimator.ofPropertyValuesHolder(cl,
PropertyValuesHolder.ofFloat("translationX", 0.0f),
PropertyValuesHolder.ofFloat("translationY", 0.0f),
PropertyValuesHolder.ofFloat("scaleX", 1.0f),
PropertyValuesHolder.ofFloat("scaleY", 1.0f));
PropertyValuesHolder.ofFloat("scaleY", 1.0f),
PropertyValuesHolder.ofFloat("backgroundAlpha", 0.0f),
PropertyValuesHolder.ofFloat("alpha", finalAlphaValue),
PropertyValuesHolder.ofFloat("rotationY", rotation));
animWithInterpolator.setDuration(duration);
animWithInterpolator.setInterpolator(mInverseZInterpolator);
mAnimator.playTogether(anim, animWithInterpolator);
animWithInterpolator.setInterpolator(mZoomInInterpolator);
mAnimator.playTogether(animWithInterpolator);
} else {
cl.setTranslationX(0.0f);
cl.setTranslationY(0.0f);