private static Animation createShrinkAnimation(float fromXDelta, float toXDelta, float fromYDelta, float toYDelta,
long startOffset, long duration, IInterpolator interpolator)
{
AnimationSet animationSet = new AnimationSet(false);
animationSet.FillAfter = true;
long preDuration = duration / 2;
Animation rotateAnimation = new RotateAnimation(0, 360, Dimension.RelativeToSelf, 0.5f,
Dimension.RelativeToSelf, 0.5f);
rotateAnimation.StartOffset = startOffset;
rotateAnimation.Duration = preDuration;
rotateAnimation.Interpolator = new LinearInterpolator();
rotateAnimation.FillAfter = true;
animationSet.AddAnimation(rotateAnimation);
Animation translateAnimation = new RotateAndTranslateAnimation(0, toXDelta, 0, toYDelta, 360, 720);
translateAnimation.StartOffset = startOffset + preDuration;
translateAnimation.Duration = duration - preDuration;
translateAnimation.Interpolator = interpolator;
translateAnimation.FillAfter = true;
animationSet.AddAnimation(translateAnimation);
return(animationSet);
}
private static Animation createExpandAnimation(float fromXDelta, float toXDelta, float fromYDelta, float toYDelta,
long startOffset, long duration, IInterpolator interpolator)
{
Animation animation = new RotateAndTranslateAnimation(0, toXDelta, 0, toYDelta, 0, 720);
animation.StartOffset = startOffset;
animation.Duration = duration;
animation.Interpolator = interpolator;
animation.FillAfter = true;
return(animation);
}
