获取空间的高度

ViewTreeObserver vto = main_item_module_gridView.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
main_item_module_gridView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
} else {
main_item_module_gridView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
int height = main_item_module_gridView.getHeight();
}
});