private void init() {
setVerticalFadingEdgeEnabled(false);
headerContainer =
(LinearLayout) LayoutInflater.from(getContext()).inflate(R.layout.ptr_header, null);
header = (RelativeLayout) headerContainer.findViewById(R.id.ptr_id_header);
text = (TextView) header.findViewById(R.id.ptr_id_text);
lastUpdatedTextView = (TextView) header.findViewById(R.id.ptr_id_last_updated);
image = (ImageView) header.findViewById(R.id.ptr_id_image);
spinner = (ProgressBar) header.findViewById(R.id.ptr_id_spinner);
pullToRefreshText = getContext().getString(R.string.ptr_pull_to_refresh);
releaseToRefreshText = getContext().getString(R.string.ptr_release_to_refresh);
refreshingText = getContext().getString(R.string.ptr_refreshing);
lastUpdatedText = getContext().getString(R.string.ptr_last_updated);
flipAnimation =
new RotateAnimation(
0,
-180,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
flipAnimation.setInterpolator(new LinearInterpolator());
flipAnimation.setDuration(ROTATE_ARROW_ANIMATION_DURATION);
flipAnimation.setFillAfter(true);
reverseFlipAnimation =
new RotateAnimation(
-180,
0,
RotateAnimation.RELATIVE_TO_SELF,
0.5f,
RotateAnimation.RELATIVE_TO_SELF,
0.5f);
reverseFlipAnimation.setInterpolator(new LinearInterpolator());
reverseFlipAnimation.setDuration(ROTATE_ARROW_ANIMATION_DURATION);
reverseFlipAnimation.setFillAfter(true);
addHeaderView(headerContainer);
setState(State.PULL_TO_REFRESH);
scrollbarEnabled = isVerticalScrollBarEnabled();
ViewTreeObserver vto = header.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new PTROnGlobalLayoutListener());
super.setOnItemClickListener(new PTROnItemClickListener());
super.setOnItemLongClickListener(new PTROnItemLongClickListener());
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
if (!hasResetHeader) {
if (measuredHeaderHeight > 0 && state != State.REFRESHING) {
setHeaderPadding(-measuredHeaderHeight);
}
hasResetHeader = true;
}
}