/** Animation for the textview if the action bar is visible. */
public void startShowAnimation() {
if (mCurrentAnimation != null) mCurrentAnimation.cancel();
mCurrentAnimation =
ObjectAnimator.ofInt(
mActionBarDelegate,
TOP_MARGIN_ANIM_PROPERTY,
(int) (Math.max(0, queryCurrentActionBarHeight() - mTabStripHeight)))
.setDuration(SLIDE_DURATION_MS);
mCurrentAnimation.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mCurrentAnimation = null;
}
});
mCurrentAnimation.addUpdateListener(
new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
ActionBar actionBar = mActionBarDelegate.getSupportActionBar();
if (actionBar != null) {
animation.setIntValues(
(int) (Math.max(0, queryCurrentActionBarHeight() - mTabStripHeight)));
}
}
});
mActionBarDelegate.setActionBarBackgroundVisibility(true);
mCurrentAnimation.start();
mShowingActionMode = true;
}
/** @return The current action bar height. */
private int queryCurrentActionBarHeight() {
ActionBar actionBar = mActionBarDelegate.getSupportActionBar();
if (actionBar != null) return actionBar.getHeight();
TypedArray styledAttributes = mContext.obtainStyledAttributes(new int[] {R.attr.actionBarSize});
int height = styledAttributes.getDimensionPixelSize(0, 0);
styledAttributes.recycle();
return height;
}
@Override
public void set(ActionBarDelegate delegate, Integer value) {
delegate.setControlTopMargin(value);
}
@Override
public Integer get(ActionBarDelegate delegate) {
return delegate.getControlTopMargin();
}
