public void shift(View view) { if (!mShifted) { foreach (ImageView imageView in mImageViews) { ObjectAnimator tx = ObjectAnimator.OfFloat(imageView, View.X, (mRandom.NextFloat() - 0.5f) * 500); tx.AddUpdateListener(new AnimListener(mBlurringView)); ObjectAnimator ty = ObjectAnimator.OfFloat(imageView, View.Y, (mRandom.NextFloat() - 0.5f) * 500); ty.AddUpdateListener(new AnimListener(mBlurringView)); AnimatorSet set = new AnimatorSet(); set.PlayTogether(tx, ty); set.SetDuration(3000); set.SetInterpolator(new OvershootInterpolator()); set.AddListener(new AnimationEndListener(imageView)); set.Start(); }; mShifted = true; } else { foreach (ImageView imageView in mImageViews) { ObjectAnimator tx = ObjectAnimator.OfFloat(imageView, View.X, 0); tx.AddUpdateListener(new AnimListener(mBlurringView)); ObjectAnimator ty = ObjectAnimator.OfFloat(imageView, View.Y, 0); ty.AddUpdateListener(new AnimListener(mBlurringView)); AnimatorSet set = new AnimatorSet(); set.PlayTogether(tx, ty); set.SetDuration(3000); set.SetInterpolator(new OvershootInterpolator()); set.AddListener(new AnimationEndListener(imageView)); set.Start(); }; mShifted = false; } }
/** * Animates the pending {@link android.view.View} back to its original position. */ private void restoreCurrentViewTranslation() { if (mCurrentView == null) { return; } ObjectAnimator xAnimator = ObjectAnimator.OfFloat(mSwipingView, TRANSLATION_X, 0); ObjectAnimator alphaAnimator = ObjectAnimator.OfFloat(mSwipingView, ALPHA, 1); AnimatorSet animatorSet = new AnimatorSet(); animatorSet.PlayTogether(xAnimator, alphaAnimator); animatorSet.SetDuration(mAnimationTime); animatorSet.AddListener(new RestoreAnimatorListener(mCurrentView, mCurrentPosition,this)); animatorSet.Start(); }
/** * Performs the undo animation and restores the original state for given {@link android.view.View}. * * @param view the parent {@code View} which contains both primary and undo {@code View}s. */ public void undo( View view) { int position = AdapterViewUtil.getPositionForView(getListViewWrapper(), view); mUndoPositions.Remove(position); View primaryView = mCallback.getPrimaryView(view); View undoView = mCallback.getUndoView(view); primaryView.Visibility=ViewStates.Visible; ObjectAnimator undoAlphaAnimator = ObjectAnimator.OfFloat(undoView, ALPHA, 1f, 0f); ObjectAnimator primaryAlphaAnimator = ObjectAnimator.OfFloat(primaryView, ALPHA, 0f, 1f); ObjectAnimator primaryXAnimator = ObjectAnimator.OfFloat(primaryView, TRANSLATION_X, primaryView.Width, 0f); AnimatorSet animatorSet = new AnimatorSet(); animatorSet.PlayTogether(undoAlphaAnimator, primaryAlphaAnimator, primaryXAnimator); animatorSet.AddListener(new UndoAnimatorListener(undoView,this)); animatorSet.Start(); mCallback.onUndo(view, position); }
/** * Flings given {@link android.view.View} out of sight. * * @param view the parent {@link android.view.View}. * @param position the position of the item in the {@link android.widget.ListAdapter} corresponding to the {@code View}. * @param flingToRight {@code true} if the {@code View} should be flinged to the right, {@code false} if it should be flinged to the left. */ private void flingView(View view, int position, bool flingToRight) { if (mViewWidth < 2) { mViewWidth = mListViewWrapper.getListView().Width; } View swipeView = getSwipeView(view); ObjectAnimator xAnimator = ObjectAnimator.OfFloat(swipeView, TRANSLATION_X, flingToRight ? mViewWidth : -mViewWidth); ObjectAnimator alphaAnimator = ObjectAnimator.OfFloat(swipeView, ALPHA, 0); AnimatorSet animatorSet = new AnimatorSet(); animatorSet.PlayTogether(xAnimator, alphaAnimator); animatorSet.SetDuration(mAnimationTime); animatorSet.AddListener(new FlingAnimatorListener(view, position,this)); animatorSet.Start(); }