Examples with OnGlobalLayoutListener android.view.ViewTreeObserver.OnGlobalLayoutListener used on opensource projects

Example 51 with OnGlobalLayoutListener

use of android.view.ViewTreeObserver.OnGlobalLayoutListener in project KitKatEmoji by crossle.

the class PagerSlidingTabStrip method notifyDataSetChanged.

public void notifyDataSetChanged() {
    tabsContainer.removeAllViews();
    tabCount = pager.getAdapter().getCount();
    for (int i = 0; i < tabCount; i++) {
        if (pager.getAdapter() instanceof IconTabProvider) {
            addIconTab(i, ((IconTabProvider) pager.getAdapter()).getPageIconResId(i));
        } else {
            addTextTab(i, pager.getAdapter().getPageTitle(i).toString());
        }
    }
    updateTabStyles();
    getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

        @SuppressWarnings("deprecation")
        @SuppressLint("NewApi")
        @Override
        public void onGlobalLayout() {
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                getViewTreeObserver().removeGlobalOnLayoutListener(this);
            } else {
                getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }
            currentPosition = pager.getCurrentItem();
            scrollToChild(currentPosition, 0);
        }
    });
}