android.view.animation.AnimationSet#getDuration()源码实例Demo

下面列出了android.view.animation.AnimationSet#getDuration() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： Twire 文件： AnimationService.java

/**
 * Hides every view in a RecyclerView to simulate clearing the RecyclerView
 * returns how long the animation takes to complete.
 * Returns -1 if there is nothing to animate
 */
public static int animateFakeClearing(int lastVisibleItemPosition, int firstVisibleItemPosition, AutoSpanRecyclerView aRecyclerView, Animation.AnimationListener animationListener, boolean includeTranslation) {
    final int DELAY_BETWEEN = 50;
    int clearingDuration = 0;

    int startPositionCol = getColumnPosFromIndex(firstVisibleItemPosition, aRecyclerView);
    int startPositionRow = getRowPosFromIndex(firstVisibleItemPosition, aRecyclerView);

    for (int i = lastVisibleItemPosition; i >= firstVisibleItemPosition; i--) {
        final View VIEW = aRecyclerView.getChildAt(lastVisibleItemPosition - i);

        int positionColumnDistance = Math.abs(getColumnPosFromIndex(i, aRecyclerView) - startPositionCol);
        int positionRowDistance = Math.abs(getRowPosFromIndex(i, aRecyclerView) - startPositionRow);
        int delay = (positionColumnDistance + positionRowDistance) * DELAY_BETWEEN + 1;

        AnimationSet mHideAnimations = AnimationService.startAlphaHideAnimation(delay, VIEW, includeTranslation);
        if (mHideAnimations == null) {
            return -1;
        }
        int hideAnimationDuration = (int) mHideAnimations.getDuration();

        if (hideAnimationDuration + delay > clearingDuration) {
            clearingDuration = hideAnimationDuration + delay;
        }

        // If the view is the last to animate, then start the intent when the animation finishes.
        if (i == lastVisibleItemPosition && animationListener != null) {
            mHideAnimations.setAnimationListener(animationListener);
        }
    }

    return clearingDuration;
}

源代码2 项目： Pocket-Plays-for-Twitch 文件： AnimationService.java

/**
 * Hides every view in a RecyclerView to simulate clearing the RecyclerView
 * returns how long the animation takes to complete.
 * Returns -1 if there is nothing to animate
 */
public static int animateFakeClearing(int lastVisibleItemPosition, int firstVisibleItemPosition, AutoSpanRecyclerView aRecyclerView, Animation.AnimationListener animationListener, boolean includeTranslation) {
	final int DELAY_BETWEEN = 50;
	int clearingDuration = 0;

	int startPositionCol = getColumnPosFromIndex(firstVisibleItemPosition, aRecyclerView);
	int startPositionRow = getRowPosFromIndex(firstVisibleItemPosition, aRecyclerView);

	for(int i = lastVisibleItemPosition; i >= firstVisibleItemPosition; i--) {
		final View VIEW = aRecyclerView.getChildAt(lastVisibleItemPosition - i);

		int positionColumnDistance = Math.abs(getColumnPosFromIndex(i, aRecyclerView) - startPositionCol);
		int positionRowDistance = Math.abs(getRowPosFromIndex(i, aRecyclerView) - startPositionRow);
		int delay = (positionColumnDistance + positionRowDistance) * DELAY_BETWEEN + 1;

		AnimationSet mHideAnimations = AnimationService.startAlphaHideAnimation(delay, VIEW, includeTranslation);
		if (mHideAnimations == null) {
			return -1;
		}
		int hideAnimationDuration = (int) mHideAnimations.getDuration();

		if (hideAnimationDuration + delay > clearingDuration) {
			clearingDuration = hideAnimationDuration + delay;
		}

		// If the view is the last to animate, then start the intent when the animation finishes.
		if(i == lastVisibleItemPosition && animationListener != null) {
			mHideAnimations.setAnimationListener(animationListener);
		}
	}

	return clearingDuration;
}

方法所在类

android.view.animation.AnimationSet