MainActivity.java 文件源码

/**
 * Starts the enter animations for various UI components of the toolbar subreddit search
 *
 * @param ANIMATION_DURATION     duration of the animation in ms
 * @param SUGGESTIONS_BACKGROUND background of subreddit suggestions list
 * @param GO_TO_SUB_FIELD        search field in toolbar
 * @param CLOSE_BUTTON           button that clears the search and closes the search UI
 */
public void enterAnimationsForToolbarSearch(final long ANIMATION_DURATION,
                                            final CardView SUGGESTIONS_BACKGROUND, final AutoCompleteTextView GO_TO_SUB_FIELD,
                                            final ImageView CLOSE_BUTTON) {
    SUGGESTIONS_BACKGROUND.animate()
            .translationY(headerHeight)
            .setInterpolator(new AccelerateDecelerateInterpolator())
            .setDuration(ANIMATION_DURATION + ANIMATE_DURATION_OFFSET)
            .start();

    GO_TO_SUB_FIELD.animate()
            .alpha(1f)
            .setInterpolator(new AccelerateDecelerateInterpolator())
            .setDuration(ANIMATION_DURATION)
            .start();

    CLOSE_BUTTON.animate()
            .alpha(1f)
            .setInterpolator(new AccelerateDecelerateInterpolator())
            .setDuration(ANIMATION_DURATION)
            .start();
}