public static void NoConnection()
{
var context = ViewHelper.CurrentActivity();
context.RunOnUiThread(delegate
{
var NoConnection = context.FindViewById(Resource.Id.NoConnection);
if (NoConnection != null)
{
NoConnection.Visibility = ViewStates.Visible;
new Handler().PostDelayed(delegate
{
Android.Views.Animations.Animation fadeOut = new AlphaAnimation(1, 0);
fadeOut.Interpolator = new DecelerateInterpolator();
fadeOut.Duration = 1000;
AnimationSet animation = new AnimationSet(false);
animation.AddAnimation(fadeOut);
NoConnection.Animation = animation;
NoConnection.StartAnimation(animation);
new Handler().PostDelayed(delegate { NoConnection.Visibility = ViewStates.Gone; }, 1000);
}, 2000);
}
});
}
public override bool OnFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
if (Math.Abs(velocityX) < 500) return false;
_lastView = _parentActivity.LastView;
var animationSet = new AnimationSet(true)
{
Interpolator = new AccelerateDecelerateInterpolator(),
Duration = 300,
FillAfter = true
};
var animationRotate = new RotateAnimation(0, Math.Sign(velocityX)*15);
var animationTranslate = new TranslateAnimation(0, Math.Sign(velocityX)*400,
0, 10);
var animationAlpha = new AlphaAnimation(1, 0);
animationSet.AddAnimation(animationRotate);
animationSet.AddAnimation(animationTranslate);
animationSet.AddAnimation(animationAlpha);
animationSet.AnimationEnd += AnimationSet_AnimationEnd;
_lastView.StartAnimation(animationSet);
return true;
}
private static Animation createItemDisapperAnimation(long duration, bool isClicked)
{
AnimationSet animationSet = new AnimationSet(true);
animationSet.AddAnimation(
new ScaleAnimation(
1.0f,
isClicked ? 2.0f : 0.0f,
1.0f,
isClicked ? 2.0f : 0.0f,
Dimension.RelativeToSelf,
0.5f,
Dimension.RelativeToSelf,
0.5f));
animationSet.AddAnimation(new AlphaAnimation(1.0f, 0.0f));
animationSet.Duration = duration;
animationSet.Interpolator = new DecelerateInterpolator();
animationSet.FillAfter = true;
return animationSet;
}
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 void animateAlphaTranslate(View view, float alphaFrom, float alphaTo, float xFrom, float xTo,
bool requestFocus)
{
AnimationSet animationSet = new AnimationSet(true);
AlphaAnimation fade = new AlphaAnimation(alphaFrom, alphaTo);
fade.Duration = 350;
TranslateAnimation slide = new TranslateAnimation(Dimension.RelativeToSelf, xFrom,
Dimension.RelativeToSelf, xTo,
Dimension.RelativeToSelf, 0,
Dimension.RelativeToSelf, 0);
slide.Duration = 350;
animationSet.AddAnimation(fade);
animationSet.AddAnimation(slide);
view.StartAnimation(animationSet);
if (requestFocus)
{
animationSet.AnimationEnd += (obj, args) => view.RequestFocus();
}
}
private void MaximizeView(View view)
{
var animationSet = new AnimationSet(true)
{
Interpolator = new AccelerateDecelerateInterpolator(),
Duration = 500,
FillAfter = true
};
var scaleAnimation = new ScaleAnimation(1f, 1.25f, 1f, 1.25f, Dimension.RelativeToSelf, 0f,
Dimension.RelativeToSelf, 0f);
_selectedViewTop = view.Top;
_selectedViewLeft = view.Left;
var translateAnimation = new TranslateAnimation(Dimension.RelativeToSelf, 0, Dimension.Absolute, -view.Left,
Dimension.RelativeToSelf, 0, Dimension.Absolute, -view.Top + _addButton.Height);
animationSet.AddAnimation(scaleAnimation);
animationSet.AddAnimation(translateAnimation);
view.StartAnimation(animationSet);
}
public void ShowInvalid(string errorMessage)
{
nextMustBeDeleted = true;
textErrorView.Text = errorMessage;
AddView(textErrorView);
textErrorView.Visibility = ViewStates.Visible;
AnimationSet animationSet = new AnimationSet(true);
AlphaAnimation fadeIn = new AlphaAnimation(0, 1);
fadeIn.Duration = 300;
AlphaAnimation fadeOut = new AlphaAnimation(1, 0);
fadeOut.StartOffset = 300 + 300;
fadeOut.Duration = 300;
animationSet.AddAnimation(fadeIn);
animationSet.AddAnimation(fadeOut);
animationSet.FillAfter = true;
animationSet.FillBefore = true;
animationSet.AnimationEnd += (sender, args) =>
{
textErrorView.Visibility = ViewStates.Gone;
RemoveView(textErrorView);
};
textErrorView.StartAnimation(animationSet);
}
/**
* The {@code FlipDirection} enumeration defines the most typical flip view transitions: left-to-right and right-to-left. {@code FlipDirection} is used during the creation of {@link FlipAnimation} animations.
*
* @author Ephraim A. Tekle
*
*/
/**
* Create a pair of {@link FlipAnimation} that can be used to flip 3D transition from {@code fromView} to {@code toView}. A typical use case is with {@link ViewAnimator} as an out and in transition.
*
* NOTE: Avoid using this method. Instead, use {@link #flipTransition}.
*
* @param fromView the view transition away from
* @param toView the view transition to
* @param dir the flip direction
* @param duration the transition duration in milliseconds
* @param interpolator the interpolator to use (pass {@code null} to use the {@link AccelerateInterpolator} interpolator)
* @return
*/
public static Animation[] FlipAnimation(View fromView, View toView, FlipDirection dir, long duration, IInterpolator interpolator)
{
Animation[] result = new Animation[2];
float centerX;
float centerY;
centerX = fromView.Width/2.0f;
centerY = fromView.Height/2.0f;
FlipAnimation outFlip = new FlipAnimation(0, dir.EndDegreeForFirstView(), centerX, centerY,
SpotTiles.FlipAnimation.ScaleDefault, ScaleUpDownEnum.ScaleDown);
outFlip.Duration = duration;
outFlip.FillAfter = true;
outFlip.Interpolator = interpolator ?? new AccelerateInterpolator();
if (dir == FlipDirection.BottomTop || dir == FlipDirection.TopBottom)
outFlip.Direction = Direction.X;
else
outFlip.Direction = Direction.Y;
AnimationSet outAnimation = new AnimationSet(true);
outAnimation.AddAnimation(outFlip);
result[0] = outAnimation;
// Uncomment the following if toView has its layout established (not the case if using ViewFlipper and on first show)
//centerX = toView.getWidth() / 2.0f;
//centerY = toView.getHeight() / 2.0f;
FlipAnimation inFlip = new FlipAnimation(dir.StartDegreeForSecondView(), 0, centerX, centerY,
SpotTiles.FlipAnimation.ScaleDefault, ScaleUpDownEnum.ScaleUp);
inFlip.Duration = duration;
inFlip.FillAfter = true;
inFlip.StartOffset = duration;
inFlip.Interpolator = interpolator ?? new AccelerateInterpolator();
if (dir == FlipDirection.BottomTop || dir == FlipDirection.TopBottom)
outFlip.Direction = Direction.X;
else
outFlip.Direction = Direction.Y;
AnimationSet inAnimation = new AnimationSet(true);
inAnimation.AddAnimation(inFlip);
result[1] = inAnimation;
return result;
}
/**
* Fades the view in, delays the specified amount of time, then fades the view out
* @param v the view to be faded in then out
* @param delay how long the view will be visible for
*/
public static void FadeInThenOut(View v, long delay)
{
if (v == null) return;
v.Visibility = ViewStates.Visible;
AnimationSet animation = new AnimationSet(true);
Animation[] fadeInOut = FadeInThenOutAnimation(500, delay);
animation.AddAnimation(fadeInOut[0]);
animation.AddAnimation(fadeInOut[1]);
animation.AnimationEnd += (sender, args) => v.Visibility = ViewStates.Gone;
animation.AnimationStart += (sender, args) => v.Visibility = ViewStates.Visible;
}