public static AnimatorBundle Create(TypeAnimation typeAnimation, View view, IInterpolator interpolator, float from, float to)
{
var animatorBundle = new AnimatorBundle(typeAnimation);
animatorBundle.mView = view;
animatorBundle.mFromValue = from;
animatorBundle.mDelta = to - from;
animatorBundle.mInterpolator = interpolator;
return(animatorBundle);
}
/// <param name="viewToParallax"> </param>
/// <param name="velocityParallax">
/// the velocity to apply to the view in order to show the parallax effect. choose a velocity between 0 and 1 for
/// better results
/// @return
/// </param>
public virtual AnimatorBuilder ApplyVerticalParallax(View viewToParallax, float velocityParallax)
{
if (viewToParallax == null)
{
throw new ArgumentNullException("viewToParallax");
}
listAnimatorBundles.Add(AnimatorBundle.Create(AnimatorBundle.TypeAnimation.Parallax, viewToParallax, null, 0f, -velocityParallax));
return(this);
}
public virtual AnimatorBuilder ApplyFade(View viewToFade, float fade, IInterpolator interpolator)
{
if (viewToFade == null)
{
throw new ArgumentNullException("viewToFade");
}
float startAlpha = viewToFade.Alpha;
listAnimatorBundles.Add(AnimatorBundle.Create(AnimatorBundle.TypeAnimation.Fade, viewToFade, interpolator, startAlpha, fade));
return(this);
}
public virtual AnimatorBuilder ApplyTranslation(View view, float translateX, float translateY, IInterpolator interpolator)
{
if (view == null)
{
throw new ArgumentNullException("view");
}
AnimatorBundle animatorTranslationX = AnimatorBundle.Create(AnimatorBundle.TypeAnimation.TranslationX, view, interpolator, view.TranslationX, translateX);
AnimatorBundle animatorTranslationY = AnimatorBundle.Create(AnimatorBundle.TypeAnimation.TranslationY, view, interpolator, view.TranslationY, translateY);
AdjustTranslation(view);
listAnimatorBundles.Add(animatorTranslationX);
listAnimatorBundles.Add(animatorTranslationY);
return(this);
}
private void AdjustTranslation(View viewAnimated)
{
AnimatorBundle animatorScaleX = null;
AnimatorBundle animatorScaleY = null;
AnimatorBundle animatorTranslationX = null;
AnimatorBundle animatorTranslationY = null;
foreach (AnimatorBundle animator in listAnimatorBundles)
{
if (viewAnimated == animator.mView)
{
switch (animator.mTypeAnimation)
{
case AnimatorBundle.TypeAnimation.ScaleX:
animatorScaleX = animator;
break;
case AnimatorBundle.TypeAnimation.ScaleY:
animatorScaleY = animator;
break;
case AnimatorBundle.TypeAnimation.TranslationX:
animatorTranslationX = animator;
break;
case AnimatorBundle.TypeAnimation.TranslationY:
animatorTranslationY = animator;
break;
}
}
}
if (animatorTranslationX != null && animatorScaleX != null)
{
animatorTranslationX.mDelta += animatorTranslationX.mView.Width * (animatorScaleX.mDelta / 2f);
}
if (animatorTranslationY != null && animatorScaleY != null)
{
animatorTranslationY.mDelta += animatorTranslationY.mView.Height * (animatorScaleY.mDelta / 2f);
}
}
public static AnimatorBundle Create(TypeAnimation typeAnimation, View view, IInterpolator interpolator, float from, float to)
{
var animatorBundle = new AnimatorBundle(typeAnimation);
animatorBundle.mView = view;
animatorBundle.mFromValue = from;
animatorBundle.mDelta = to - from;
animatorBundle.mInterpolator = interpolator;
return animatorBundle;
}
