ViewActivity.java 文件源码

public void toggleToolbar(boolean show) {
    if (show==showToolbar || toolbarGroup==null) {
        return;
    }

    showToolbar=show;
    if (showToolbar) {
        startTimeOut();
        showSystemUI();
        toolbarGroup.animate().translationY(0).setInterpolator(new DecelerateInterpolator()).start();
    } else {
        if (timeoutSubscription!=null) {
            timeoutSubscription.unsubscribe();
        }
        toolbarGroup.animate().translationY(-toolbarGroup.getBottom()).setInterpolator(new AccelerateInterpolator()).start();
        hideSystemUI();
    }
}