public void shuffle(View view)
{
// Randomly pick a different start in the array of available images.
int newStartIndex;
do
{
newStartIndex = mImageIds[mRandom.NextInt(mImageIds.Length)];
} while (newStartIndex == mStartIndex);
mStartIndex = newStartIndex;
// Update the images for the image views contained in the blurred view.
for (int i = 0; i < mImageViews.Length; i++)
{
int drawableId = mImageIds[(mStartIndex + i) % mImageIds.Length];
mImageViews[i].SetImageDrawable(Resources.GetDrawable(drawableId));
}
// Invalidates the blurring view when the content of the blurred view changes.
mBlurringView.Invalidate();
}
public void OnAnimationUpdate(ValueAnimator animation)
{
mBlurringView.Invalidate();
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate (bundle);
// Set our view from the "main" layout resource
SetContentView (Resource.Layout.Main);
mBlurringView = FindViewById<BlurringView> (Resource.Id.blurring_view);
View blurredView = FindViewById(Resource.Id.blurred_view);
mBlurringView.SetBlurredView (blurredView);
mImageViews [0] = FindViewById<ImageView> (Resource.Id.image0);
mImageViews [1] = FindViewById<ImageView> (Resource.Id.image1);
mImageViews [2] = FindViewById<ImageView> (Resource.Id.image2);
mImageViews [3] = FindViewById<ImageView> (Resource.Id.image3);
mImageViews [4] = FindViewById<ImageView> (Resource.Id.image4);
mImageViews [5] = FindViewById<ImageView> (Resource.Id.image5);
mImageViews [6] = FindViewById<ImageView> (Resource.Id.image6);
mImageViews [7] = FindViewById<ImageView> (Resource.Id.image7);
mImageViews [8] = FindViewById<ImageView> (Resource.Id.image8);
// Get our button from the layout resource,
// and attach an event to it
Button shuffleButton = FindViewById<Button> (Resource.Id.shuffle_button);
Button shiftButton = FindViewById<Button> (Resource.Id.shift_button);
shiftButton.Click += (sender, e) => {
if (!mShifted) {
foreach (ImageView imageView in mImageViews) {
ObjectAnimator tx = ObjectAnimator.OfFloat (imageView, "translationX", (float)((mRandom.NextDouble () - 0.5f) * 500));
tx.Update += (s, ea) => mBlurringView.Invalidate();
ObjectAnimator ty = ObjectAnimator.OfFloat (imageView, "translationY", (float)((mRandom.NextDouble () - 0.5f) * 500));
tx.Update += (s, ea) => mBlurringView.Invalidate();
AnimatorSet set = new AnimatorSet();
set.PlayTogether(tx, ty);
set.SetDuration(3000);
set.SetInterpolator(new OvershootInterpolator());
set.AnimationStart += (s, ea) => imageView.SetLayerType(LayerType.Hardware, null);
set.AnimationEnd += (s, ea) => imageView.SetLayerType(LayerType.None, null);
set.AnimationCancel += (s, ea) => imageView.SetLayerType (LayerType.None, null);
set.Start();
}
mShifted = true;
} else {
foreach (ImageView imageView in mImageViews) {
ObjectAnimator tx = ObjectAnimator.OfFloat (imageView, "translationX", 0);
tx.Update += (s, ea) => mBlurringView.Invalidate();
ObjectAnimator ty = ObjectAnimator.OfFloat (imageView, "translationY", 0);
tx.Update += (s, ea) => mBlurringView.Invalidate();
AnimatorSet set = new AnimatorSet();
set.PlayTogether(tx, ty);
set.SetDuration(3000);
set.SetInterpolator(new OvershootInterpolator());
// set.AddListener(new AnimationEndListener(imageView));
set.AnimationStart += (s, ea) => imageView.SetLayerType(LayerType.Hardware, null);
set.AnimationEnd += (s, ea) => imageView.SetLayerType(LayerType.None, null);
set.AnimationCancel += (s, ea) => imageView.SetLayerType (LayerType.None, null);
set.Start();
}
mShifted = false;
}
};
shuffleButton.Click += (sender, e) => {
int newStartIndex;
do {
newStartIndex = mImageIds[mRandom.Next(mImageIds.Length)];
} while (newStartIndex == mStartIndex);
mStartIndex = newStartIndex;
for (int i = 0; i < mImageViews.Length; i++) {
int drawableId = mImageIds[(mStartIndex +i) % mImageIds.Length];
mImageViews[i].SetImageDrawable(ApplicationContext.Resources.GetDrawable(drawableId));
}
mBlurringView.Invalidate();
};
}
