コード例 #1
0
  private void animateAddImpl(final ViewHolder holder) {
    final View view = holder.itemView;
    final ViewPropertyAnimatorCompat animation = ViewCompat.animate(view);
    mAddAnimations.add(holder);
    float startX, startY;

    int position = (int) view.getTag();

    if (position % 2 == 0) {
      startY = -100;
      startX = -width;
    } else {
      startY = 100;
      startX = width;
    }
    Log.d("test", String.valueOf(holder.getLayoutPosition()));
    ViewCompat.setTranslationX(view, startX);
    // 应该是相对偏移
    ViewCompat.setTranslationY(view, startY);
    ViewCompat.setAlpha(view, 0);
    animation.setInterpolator(new OvershootInterpolator());
    animation
        .alpha(1)
        .translationX(0)
        .translationY(0)
        .setDuration(getAddDuration())
        .setListener(
            new VpaListenerAdapter() {
              @Override
              public void onAnimationStart(View view) {
                dispatchAddStarting(holder);
              }

              @Override
              public void onAnimationCancel(View view) {
                ViewCompat.setAlpha(view, 1);
              }

              @Override
              public void onAnimationEnd(View view) {
                animation.setListener(null);
                dispatchAddFinished(holder);
                mAddAnimations.remove(holder);
                dispatchFinishedWhenDone();
                // 使用这个来复原
                ViewCompat.setTranslationY(view, 0);
              }
            })
        .start();
  }
コード例 #2
0
  private void animateRemoveImpl(final ViewHolder holder) {
    final View view = holder.itemView;
    int position = (int) view.getTag();
    final ViewPropertyAnimatorCompat animation = ViewCompat.animate(view);
    float endX, endY;
    if (position % 2 == 0) {
      endY = -100;
      endX = -width;
    } else {
      endY = 100;
      endX = width;
    }
    mRemoveAnimations.add(holder);
    animation.setInterpolator(new AnticipateOvershootInterpolator());
    animation
        .setDuration(getRemoveDuration())
        .alpha(0)
        .translationX(endX)
        .translationY(endY)
        .setListener(
            new VpaListenerAdapter() {
              @Override
              public void onAnimationStart(View view) {
                dispatchRemoveStarting(holder);
              }

              @Override
              public void onAnimationEnd(View view) {
                animation.setListener(null);
                // 重置为正常
                ViewCompat.setAlpha(view, 1);
                ViewCompat.setTranslationX(view, 0);
                ViewCompat.setTranslationY(view, 0);
                dispatchRemoveFinished(holder);
                mRemoveAnimations.remove(holder);
                dispatchFinishedWhenDone();
              }
            })
        .start();
  }
コード例 #3
0
    void start() {
      final View containerView =
          ((SwipeableItemViewHolder) mViewHolder).getSwipeableContainerView();

      mInvSize =
          (1.0f
              / Math.max(1.0f, mHorizontal ? containerView.getWidth() : containerView.getHeight()));

      // setup animator
      mAnimator = ViewCompat.animate(containerView);
      mAnimator.setDuration(mDuration);
      mAnimator.translationX(mToX);
      mAnimator.translationY(mToY);
      if (mInterpolator != null) {
        mAnimator.setInterpolator(mInterpolator);
      }
      mAnimator.setListener(this);
      mAnimator.setUpdateListener(this);

      // start
      mActive.add(mViewHolder);
      mAnimator.start();
    }